Exclude shaded JSON packages from architecture checks

Closes gh-47207

.github/actions/prepare-gradle-build/action.yml

@@ -23,7 +23,7 @@ inputs:
   java-version:
     description: 'Java version to use for the build'
     required: false
-    default: '24'
+    default: '25'
 runs:
   using: composite
   steps:
@@ -34,7 +34,7 @@ runs:
         tool-cache: true
         docker-images: false
     - name: Set Up Java
-      uses: actions/setup-java@v4
+      uses: actions/setup-java@v5
       with:
         distribution: ${{ inputs.java-early-access == 'true' && 'temurin' || (inputs.java-distribution || 'liberica') }}
         java-version: |
@@ -42,12 +42,12 @@ runs:
           ${{ inputs.java-toolchain == 'true' && '24' || '' }}
     - name: Set Up Gradle With Read/Write Cache
       if: ${{ inputs.cache-read-only == 'false' }}
-      uses: gradle/actions/setup-gradle@017a9effdb900e5b5b2fddfb590a105619dca3c3 # v4.4.2
+      uses: gradle/actions/setup-gradle@748248ddd2a24f49513d8f472f81c3a07d4d50e1 # v4.4.4
       with:
         cache-read-only: false
         develocity-access-key: ${{ inputs.develocity-access-key }}
     - name: Set Up Gradle
-      uses: gradle/actions/setup-gradle@017a9effdb900e5b5b2fddfb590a105619dca3c3 # v4.4.2
+      uses: gradle/actions/setup-gradle@748248ddd2a24f49513d8f472f81c3a07d4d50e1 # v4.4.4
       with:
         develocity-access-key: ${{ inputs.develocity-access-key }}
         develocity-token-expiry: 4

.github/actions/publish-gradle-plugin/action.yml

@@ -21,14 +21,14 @@ runs:
   using: composite
   steps:
     - name: Set Up JFrog CLI
-      uses: jfrog/setup-jfrog-cli@2bc6e55719cd37dfb2f655a1e4f16c3440182a9f # v4.5.13
+      uses: jfrog/setup-jfrog-cli@c32bf10843e4071112c4ea3abf622d3b27cd8c17 # v4.7.0
       env:
         JF_ENV_SPRING: ${{ inputs.jfrog-cli-config-token }}
     - name: Download Artifacts
       shell: bash
       run: jf rt download --spec ${{ format('{0}/artifacts.spec', github.action_path) }} --spec-vars 'buildName=${{ format('spring-boot-{0}', inputs.plugin-version) }};buildNumber=${{ inputs.build-number }}'
     - name: Set Up Java
-      uses: actions/setup-java@v4
+      uses: actions/setup-java@v5
       with:
         distribution: 'liberica'
         java-version: '17'

.github/actions/sync-to-maven-central/action.yml

@@ -17,7 +17,7 @@ runs:
   using: composite
   steps:
     - name: Set Up JFrog CLI
-      uses: jfrog/setup-jfrog-cli@2bc6e55719cd37dfb2f655a1e4f16c3440182a9f # v4.5.13
+      uses: jfrog/setup-jfrog-cli@c32bf10843e4071112c4ea3abf622d3b27cd8c17 # v4.7.0
       env:
         JF_ENV_SPRING: ${{ inputs.jfrog-cli-config-token }}
     - name: Download Release Artifacts

.github/dependabot.yml

@@ -6,3 +6,11 @@ updates:
       interval: "weekly"
     labels:
       - "type: task"
+      - "status: waiting-for-triage"
+  - package-ecosystem: "npm"
+    directory: "/antora"
+    schedule:
+      interval: "weekly"
+    labels:
+      - "type: task"
+      - "status: waiting-for-triage"

.github/workflows/ci.yml

@@ -23,16 +23,13 @@ jobs:
             toolchain: true
           - version: 21
             toolchain: true
-          - version: 24
-            toolchain: false
           - version: 25
-            early-access: true
-            toolchain: true
+            toolchain: false
         exclude:
           - os:
               name: Linux
             java:
-              version: 24
+              version: 25
           - os:
               name: ${{ github.repository == 'spring-projects/spring-boot-commercial' && 'Windows' }}
     steps:

.github/workflows/release-milestone.yml

@@ -75,7 +75,7 @@ jobs:
     runs-on: ${{ vars.UBUNTU_SMALL || 'ubuntu-latest' }}
     steps:
       - name: Set up JFrog CLI
-        uses: jfrog/setup-jfrog-cli@2bc6e55719cd37dfb2f655a1e4f16c3440182a9f # v4.5.13
+        uses: jfrog/setup-jfrog-cli@c32bf10843e4071112c4ea3abf622d3b27cd8c17 # v4.7.0
         env:
           JF_ENV_SPRING: ${{ secrets.JF_ARTIFACTORY_SPRING }}
       - name: Promote build

.github/workflows/release.yml

@@ -86,7 +86,7 @@ jobs:
     runs-on: ${{ vars.UBUNTU_SMALL || 'ubuntu-latest' }}
     steps:
       - name: Set up JFrog CLI
-        uses: jfrog/setup-jfrog-cli@2bc6e55719cd37dfb2f655a1e4f16c3440182a9f # v4.5.13
+        uses: jfrog/setup-jfrog-cli@c32bf10843e4071112c4ea3abf622d3b27cd8c17 # v4.7.0
         env:
           JF_ENV_SPRING: ${{ vars.COMMERCIAL && secrets.COMMERCIAL_JF_ARTIFACTORY_SPRING || secrets.JF_ARTIFACTORY_SPRING }}
       - name: Promote open source build

.github/workflows/verify.yml

@@ -49,7 +49,7 @@ jobs:
           path: send-notification
           sparse-checkout: .github/actions/send-notification
       - name: Set Up Java
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
         with:
           distribution: 'liberica'
           java-version: 17
@@ -59,7 +59,7 @@ jobs:
         with:
           stable: true
       - name: Set Up Gradle
-        uses: gradle/actions/setup-gradle@017a9effdb900e5b5b2fddfb590a105619dca3c3 # v4.4.2
+        uses: gradle/actions/setup-gradle@748248ddd2a24f49513d8f472f81c3a07d4d50e1 # v4.4.4
         with:
           cache-read-only: false
       - name: Configure Gradle Properties

.sdkmanrc

@@ -1,3 +1,3 @@
 # Enable auto-env through the sdkman_auto_env config
 # Add key=value pairs of SDKs to use below
-java=24.0.2-librca
+java=25-librca

antora/package-lock.json

@@ -14,7 +14,7 @@
         "@springio/antora-xref-extension": "1.0.0-alpha.4",
         "@springio/antora-zip-contents-collector-extension": "1.0.0-alpha.8",
         "@springio/asciidoctor-extensions": "1.0.0-alpha.17",
-        "patch-package": "^8.0.0"
+        "patch-package": "^8.0.1"
       }
     },
     "node_modules/@antora/asciidoc-loader": {
@@ -575,14 +575,6 @@
       "resolved": "https://registry.npmjs.org/async-lock/-/async-lock-1.4.1.tgz",
       "integrity": "sha512-Az2ZTpuytrtqENulXwO3GGv1Bztugx6TT37NIo7imr/Qo0gsYiGtSdBa2B6fsXhTpVZDNfu1Qn3pk531e3q+nQ=="
     },
-    "node_modules/at-least-node": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/at-least-node/-/at-least-node-1.0.0.tgz",
-      "integrity": "sha512-+q/t7Ekv1EDY2l6Gda6LLiX14rU9TV20Wa3ofeQmwPFZbOMo9DXrLbOjFaaclkXKWidIaopwAObQDqwWtGUjqg==",
-      "engines": {
-        "node": ">= 4.0.0"
-      }
-    },
     "node_modules/atomic-sleep": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/atomic-sleep/-/atomic-sleep-1.0.0.tgz",
@@ -591,6 +583,21 @@
         "node": ">=8.0.0"
       }
     },
+    "node_modules/available-typed-arrays": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/available-typed-arrays/-/available-typed-arrays-1.0.7.tgz",
+      "integrity": "sha512-wvUjBtSGN7+7SjNpq/9M2Tg350UZD3q62IFZLbRAR1bSMlCo1ZaeW+BJ+D090e4hIIZLBcTDWe4Mh4jvUDajzQ==",
+      "license": "MIT",
+      "dependencies": {
+        "possible-typed-array-names": "^1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -626,9 +633,10 @@
       }
     },
     "node_modules/brace-expansion": {
-      "version": "1.1.11",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
-      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "version": "1.1.12",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.12.tgz",
+      "integrity": "sha512-9T9UjW3r0UW5c1Q7GTwllptXwhvYmEzFhzMfZ9H7FQWt+uZePjZPjBP/W1ZEyZ1twGWom5/56TF4lPcqjnDHcg==",
+      "license": "MIT",
       "dependencies": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
@@ -718,15 +726,44 @@
       }
     },
     "node_modules/call-bind": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.7.tgz",
-      "integrity": "sha512-GHTSNSYICQ7scH7sZ+M2rFopRoLh8t2bLSW6BbgrtLsahOIB5iyAVJf9GjWK3cYTDaMj4XdBpM1cA6pIS0Kv2w==",
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.8.tgz",
+      "integrity": "sha512-oKlSFMcMwpUg2ednkhQ454wfWiU/ul3CkJe/PEHcTKuiX6RpbehUiFMXu13HalGZxfUwCQzZG747YXBn1im9ww==",
+      "license": "MIT",
       "dependencies": {
+        "call-bind-apply-helpers": "^1.0.0",
         "es-define-property": "^1.0.0",
-        "es-errors": "^1.3.0",
-        "function-bind": "^1.1.2",
         "get-intrinsic": "^1.2.4",
-        "set-function-length": "^1.2.1"
+        "set-function-length": "^1.2.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/call-bind-apply-helpers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz",
+      "integrity": "sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/call-bound": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/call-bound/-/call-bound-1.0.4.tgz",
+      "integrity": "sha512-+ys997U96po4Kx/ABpBCqhA9EuxJaQWDQg7295H4hBphv3IZg0boBKuwYpt4YXp6MZ5AmZQnU/tyMTlRpaSejg==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.2",
+        "get-intrinsic": "^1.3.0"
       },
       "engines": {
         "node": ">= 0.4"
@@ -1150,6 +1187,20 @@
       "resolved": "https://registry.npmjs.org/diff3/-/diff3-0.0.3.tgz",
       "integrity": "sha512-iSq8ngPOt0K53A6eVr4d5Kn6GNrM2nQZtC740pzIriHtn4pOQ2lyzEXQMBeVcWERN0ye7fhBsk9PbLLQOnUx/g=="
     },
+    "node_modules/dunder-proto": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
+      "integrity": "sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.1",
+        "es-errors": "^1.3.0",
+        "gopd": "^1.2.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/duplexify": {
       "version": "4.1.3",
       "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-4.1.3.tgz",
@@ -1170,12 +1221,10 @@
       }
     },
     "node_modules/es-define-property": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.0.tgz",
-      "integrity": "sha512-jxayLKShrEqqzJ0eumQbVhTYQM27CfT1T35+gCgDFoL82JLsXqTJ76zv6A0YLOgEnLUMvLzsDsGIrl8NFpT2gQ==",
-      "dependencies": {
-        "get-intrinsic": "^1.2.4"
-      },
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.1.tgz",
+      "integrity": "sha512-e3nRfgfUZ4rNGL232gUgX06QNyyez04KdjFrF+LTRoOXmrOgFKDg4BCdsjW8EnT69eqdYGmRpJwiPVYNrCaW3g==",
+      "license": "MIT",
       "engines": {
         "node": ">= 0.4"
       }
@@ -1188,6 +1237,18 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/es-object-atoms": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.1.tgz",
+      "integrity": "sha512-FGgH2h8zKNim9ljj7dankFPcICIK9Cp5bm+c2gQSYePhpaG5+esrLODihIorn+Pe6FGJzWhXQotPv73jTaldXA==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/event-target-shim": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/event-target-shim/-/event-target-shim-5.0.1.tgz",
@@ -1316,23 +1377,38 @@
         "safe-buffer": "~5.1.0"
       }
     },
+    "node_modules/for-each": {
+      "version": "0.3.5",
+      "resolved": "https://registry.npmjs.org/for-each/-/for-each-0.3.5.tgz",
+      "integrity": "sha512-dKx12eRCVIzqCxFGplyFKJMPvLEWgmNtUrpTiJIR5u97zEhRG8ySrtboPHZXx7daLxQVrl643cTzbab2tkQjxg==",
+      "license": "MIT",
+      "dependencies": {
+        "is-callable": "^1.2.7"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/fs-constants": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz",
       "integrity": "sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow=="
     },
     "node_modules/fs-extra": {
-      "version": "9.1.0",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-9.1.0.tgz",
-      "integrity": "sha512-hcg3ZmepS30/7BSFqRvoo3DOMQu7IjqxO5nCDt+zM9XWjb33Wg7ziNT+Qvqbuc3+gWpzO02JubVyk2G4Zvo1OQ==",
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-10.1.0.tgz",
+      "integrity": "sha512-oRXApq54ETRj4eMiFzGnHWGy+zo5raudjuxN0b8H7s/RU2oW0Wvsx9O0ACRN/kRq9E8Vu/ReskGB5o3ji+FzHQ==",
+      "license": "MIT",
       "dependencies": {
-        "at-least-node": "^1.0.0",
         "graceful-fs": "^4.2.0",
         "jsonfile": "^6.0.1",
         "universalify": "^2.0.0"
       },
       "engines": {
-        "node": ">=10"
+        "node": ">=12"
       }
     },
     "node_modules/fs-mkdirp-stream": {
@@ -1361,15 +1437,21 @@
       }
     },
     "node_modules/get-intrinsic": {
-      "version": "1.2.4",
-      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.2.4.tgz",
-      "integrity": "sha512-5uYhsJH8VJBTv7oslg4BznJYhDoRI6waYCxMmCdnTrcCrHA/fCFKoTFz2JKKE0HdDFUF7/oQuhzumXJK7paBRQ==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.3.0.tgz",
+      "integrity": "sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ==",
+      "license": "MIT",
       "dependencies": {
+        "call-bind-apply-helpers": "^1.0.2",
+        "es-define-property": "^1.0.1",
         "es-errors": "^1.3.0",
+        "es-object-atoms": "^1.1.1",
         "function-bind": "^1.1.2",
-        "has-proto": "^1.0.1",
-        "has-symbols": "^1.0.3",
-        "hasown": "^2.0.0"
+        "get-proto": "^1.0.1",
+        "gopd": "^1.2.0",
+        "has-symbols": "^1.1.0",
+        "hasown": "^2.0.2",
+        "math-intrinsics": "^1.1.0"
       },
       "engines": {
         "node": ">= 0.4"
@@ -1378,6 +1460,19 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/get-proto": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/get-proto/-/get-proto-1.0.1.tgz",
+      "integrity": "sha512-sTSfBjoXBp89JvIKIefqw7U2CCebsc74kiY6awiGogKtoSGbgjYE/G/+l9sF3MWFPNc9IcoOC4ODfKHfxFmp0g==",
+      "license": "MIT",
+      "dependencies": {
+        "dunder-proto": "^1.0.1",
+        "es-object-atoms": "^1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/get-stream": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-2.3.1.tgz",
@@ -1441,11 +1536,12 @@
       }
     },
     "node_modules/gopd": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.0.1.tgz",
-      "integrity": "sha512-d65bNlIadxvpb/A2abVdlqKqV563juRnZ1Wtk6s1sIR8uNsXR70xqIzVqxVf1eTqDunwT2MkczEeaezCKTZhwA==",
-      "dependencies": {
-        "get-intrinsic": "^1.1.3"
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.2.0.tgz",
+      "integrity": "sha512-ZUKRh6/kUFoAiTAtTYPZJ3hw9wNxx+BIBOijnlG9PnrJsCcSjs1wyyD6vJpaYtgnzDrKYRSqf3OO6Rfa93xsRg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
       },
       "funding": {
         "url": "https://github.com/sponsors/ljharb"
@@ -1495,10 +1591,11 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/has-proto": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/has-proto/-/has-proto-1.0.3.tgz",
-      "integrity": "sha512-SJ1amZAJUiZS+PhsVLf5tGydlaVB8EdFpaSO4gmiUKUOxk8qzn5AIy4ZeJUmh22znIdk/uMAUT2pl3FxzVUH+Q==",
+    "node_modules/has-symbols": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.1.0.tgz",
+      "integrity": "sha512-1cDNdwJ2Jaohmb3sg4OmKaMBwuC48sYni5HUw2DvsC8LjGTLK9h+eb1X6RyuOHe4hT0ULCW68iomhjUoKUqlPQ==",
+      "license": "MIT",
       "engines": {
         "node": ">= 0.4"
       },
@@ -1506,10 +1603,14 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/has-symbols": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.3.tgz",
-      "integrity": "sha512-l3LCuF6MgDNwTDKkdYGEihYjt5pRPbEg46rtlmnSPlUbgmB8LOIrKJbYYFBSbnPaJexMKtiPO8hmeRjRz2Td+A==",
+    "node_modules/has-tostringtag": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz",
+      "integrity": "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==",
+      "license": "MIT",
+      "dependencies": {
+        "has-symbols": "^1.0.3"
+      },
       "engines": {
         "node": ">= 0.4"
       },
@@ -1538,9 +1639,10 @@
       }
     },
     "node_modules/help-me/node_modules/brace-expansion": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
-      "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
+      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
+      "license": "MIT",
       "dependencies": {
         "balanced-match": "^1.0.0"
       }
@@ -1640,6 +1742,18 @@
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
       "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w=="
     },
+    "node_modules/is-callable": {
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.2.7.tgz",
+      "integrity": "sha512-1BC0BVFhS/p0qtw6enp8e+8OD0UrK0oFLztSjNzhcKA3WDuJxxAPXzPuPtKkjEY9UUoEWlX/8fgKeu2S8i9JTA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/is-docker": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/is-docker/-/is-docker-2.2.1.tgz",
@@ -1713,6 +1827,21 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/is-typed-array": {
+      "version": "1.1.15",
+      "resolved": "https://registry.npmjs.org/is-typed-array/-/is-typed-array-1.1.15.tgz",
+      "integrity": "sha512-p3EcsicXjit7SaskXHs1hA91QxgTw46Fv6EFKKGS5DRFLD8yKnohjF3hxoju94b/OcMZoQukzpPpBE9uLVKzgQ==",
+      "license": "MIT",
+      "dependencies": {
+        "which-typed-array": "^1.1.16"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/is-unc-path": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-unc-path/-/is-unc-path-1.0.0.tgz",
@@ -1856,9 +1985,10 @@
       }
     },
     "node_modules/jsonfile": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-6.1.0.tgz",
-      "integrity": "sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==",
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-6.2.0.tgz",
+      "integrity": "sha512-FGuPw30AdOIUTRMC2OMRtQV+jkVj2cfPqSeWXv1NEAJ1qZ5zb1X6z1mFhbfOB/iy3ssJCD+3KuZ8r8C3uVFlAg==",
+      "license": "MIT",
       "dependencies": {
         "universalify": "^2.0.0"
       },
@@ -1980,6 +2110,15 @@
         "node": ">=4"
       }
     },
+    "node_modules/math-intrinsics": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
+      "integrity": "sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/micromatch": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.8.tgz",
@@ -2185,38 +2324,30 @@
         "safe-buffer": "~5.1.0"
       }
     },
-    "node_modules/os-tmpdir": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
-      "integrity": "sha512-D2FR03Vir7FIu45XBY20mTb+/ZSWB00sjU9jdQXt83gDrI4Ztz5Fs7/yy74g2N5SVQY4xY1qDr4rNddwYRVX0g==",
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/pako": {
       "version": "1.0.11",
       "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
       "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw=="
     },
     "node_modules/patch-package": {
-      "version": "8.0.0",
-      "resolved": "https://registry.npmjs.org/patch-package/-/patch-package-8.0.0.tgz",
-      "integrity": "sha512-da8BVIhzjtgScwDJ2TtKsfT5JFWz1hYoBl9rUQ1f38MC2HwnEIkK8VN3dKMKcP7P7bvvgzNDbfNHtx3MsQb5vA==",
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/patch-package/-/patch-package-8.0.1.tgz",
+      "integrity": "sha512-VsKRIA8f5uqHQ7NGhwIna6Bx6D9s/1iXlA1hthBVBEbkq+t4kXD0HHt+rJhf/Z+Ci0F/HCB2hvn0qLdLG+Qxlw==",
+      "license": "MIT",
       "dependencies": {
         "@yarnpkg/lockfile": "^1.1.0",
         "chalk": "^4.1.2",
         "ci-info": "^3.7.0",
         "cross-spawn": "^7.0.3",
         "find-yarn-workspace-root": "^2.0.0",
-        "fs-extra": "^9.0.0",
+        "fs-extra": "^10.0.0",
         "json-stable-stringify": "^1.0.2",
         "klaw-sync": "^6.0.0",
         "minimist": "^1.2.6",
         "open": "^7.4.2",
-        "rimraf": "^2.6.3",
         "semver": "^7.5.3",
         "slash": "^2.0.0",
-        "tmp": "^0.0.33",
+        "tmp": "^0.2.4",
         "yaml": "^2.2.2"
       },
       "bin": {
@@ -2426,6 +2557,15 @@
       "resolved": "https://registry.npmjs.org/pino-std-serializers/-/pino-std-serializers-6.2.2.tgz",
       "integrity": "sha512-cHjPPsE+vhj/tnhCy/wiMh3M3z3h/j15zHQX+S9GkTBgqJuTuJzYJ4gUyACLhDaJ7kk9ba9iRDmbH2tJU03OiA=="
     },
+    "node_modules/possible-typed-array-names": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/possible-typed-array-names/-/possible-typed-array-names-1.1.0.tgz",
+      "integrity": "sha512-/+5VFTchJDoVj3bhoqi6UeymcD00DAwb1nJwamzPvHEszJ4FpF6SNNbUbOS8yI56qHzdV8eK0qEfOSiodkTdxg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/process": {
       "version": "0.11.10",
       "resolved": "https://registry.npmjs.org/process/-/process-0.11.10.tgz",
@@ -2506,9 +2646,10 @@
       }
     },
     "node_modules/readdir-glob/node_modules/brace-expansion": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
-      "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
+      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
+      "license": "MIT",
       "dependencies": {
         "balanced-match": "^1.0.0"
       }
@@ -2594,18 +2735,6 @@
         "node": ">= 0.10"
       }
     },
-    "node_modules/rimraf": {
-      "version": "2.7.1",
-      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
-      "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
-      "deprecated": "Rimraf versions prior to v4 are no longer supported",
-      "dependencies": {
-        "glob": "^7.1.3"
-      },
-      "bin": {
-        "rimraf": "bin.js"
-      }
-    },
     "node_modules/safe-buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -2704,15 +2833,23 @@
       }
     },
     "node_modules/sha.js": {
-      "version": "2.4.11",
-      "resolved": "https://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz",
-      "integrity": "sha512-QMEp5B7cftE7APOjk5Y6xgrbWu+WkLVQwk8JNjZ8nKRciZaByEW6MubieAiToS7+dwvrjGhH8jRXz3MVd0AYqQ==",
+      "version": "2.4.12",
+      "resolved": "https://registry.npmjs.org/sha.js/-/sha.js-2.4.12.tgz",
+      "integrity": "sha512-8LzC5+bvI45BjpfXU8V5fdU2mfeKiQe1D1gIMn7XUlF3OTUrpdJpPPH4EMAnF0DsHHdSZqCdSss5qCmJKuiO3w==",
+      "license": "(MIT AND BSD-3-Clause)",
       "dependencies": {
-        "inherits": "^2.0.1",
-        "safe-buffer": "^5.0.1"
+        "inherits": "^2.0.4",
+        "safe-buffer": "^5.2.1",
+        "to-buffer": "^1.2.0"
       },
       "bin": {
         "sha.js": "bin.js"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
       }
     },
     "node_modules/shebang-command": {
@@ -2954,14 +3091,12 @@
       }
     },
     "node_modules/tmp": {
-      "version": "0.0.33",
-      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
-      "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
-      "dependencies": {
-        "os-tmpdir": "~1.0.2"
-      },
+      "version": "0.2.5",
+      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.2.5.tgz",
+      "integrity": "sha512-voyz6MApa1rQGUxT3E+BK7/ROe8itEx7vD8/HEvt4xwXucvQ5G5oeEiHkmHZJuBO21RpOf+YYm9MOivj709jow==",
+      "license": "MIT",
       "engines": {
-        "node": ">=0.6.0"
+        "node": ">=14.14"
       }
     },
     "node_modules/to-absolute-glob": {
@@ -2977,9 +3112,24 @@
       }
     },
     "node_modules/to-buffer": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz",
-      "integrity": "sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg=="
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.2.1.tgz",
+      "integrity": "sha512-tB82LpAIWjhLYbqjx3X4zEeHN6M8CiuOEy2JY8SEQVdYRe3CCHOFaqrBW1doLDrfpWhplcW7BL+bO3/6S3pcDQ==",
+      "license": "MIT",
+      "dependencies": {
+        "isarray": "^2.0.5",
+        "safe-buffer": "^5.2.1",
+        "typed-array-buffer": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/to-buffer/node_modules/isarray": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.5.tgz",
+      "integrity": "sha512-xHjhDr3cNBK0BzdUJSPXZntQUx/mwMS5Rw4A7lPJ90XGAO6ISP/ePDNuo0vhqOZU+UD5JoodwCAAoZQd3FeAKw==",
+      "license": "MIT"
     },
     "node_modules/to-regex-range": {
       "version": "5.0.1",
@@ -3003,6 +3153,20 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/typed-array-buffer": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/typed-array-buffer/-/typed-array-buffer-1.0.3.tgz",
+      "integrity": "sha512-nAYYwfY3qnzX30IkA6AQZjVbtK6duGontcQm1WSG1MD94YLqK0515GNApXkoxKOWMusVssAHWLh9SeaoefYFGw==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bound": "^1.0.3",
+        "es-errors": "^1.3.0",
+        "is-typed-array": "^1.1.14"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/uglify-js": {
       "version": "3.17.4",
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.17.4.tgz",
@@ -3045,6 +3209,7 @@
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
       "integrity": "sha512-gptHNQghINnc/vTGIk0SOFGFNXw7JVrlRUtConJRlvaw6DuX0wO5Jeko9sWrMBhh+PsYAZ7oXAiOnf/UKogyiw==",
+      "license": "MIT",
       "engines": {
         "node": ">= 10.0.0"
       }
@@ -3252,6 +3417,27 @@
         "node": ">= 8"
       }
     },
+    "node_modules/which-typed-array": {
+      "version": "1.1.19",
+      "resolved": "https://registry.npmjs.org/which-typed-array/-/which-typed-array-1.1.19.tgz",
+      "integrity": "sha512-rEvr90Bck4WZt9HHFC4DJMsjvu7x+r6bImz0/BrbWb7A2djJ8hnZMrWnHo9F8ssv0OMErasDhftrfROTyqSDrw==",
+      "license": "MIT",
+      "dependencies": {
+        "available-typed-arrays": "^1.0.7",
+        "call-bind": "^1.0.8",
+        "call-bound": "^1.0.4",
+        "for-each": "^0.3.5",
+        "get-proto": "^1.0.1",
+        "gopd": "^1.2.0",
+        "has-tostringtag": "^1.0.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/wordwrap": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",

antora/package.json

@@ -12,7 +12,7 @@
     "@springio/antora-zip-contents-collector-extension": "1.0.0-alpha.8",
     "@asciidoctor/tabs": "1.0.0-beta.6",
     "@springio/asciidoctor-extensions": "1.0.0-alpha.17",
-    "patch-package": "^8.0.0"
+    "patch-package": "^8.0.1"
   },
   "config": {
     "ui-bundle-url": "https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.18/ui-bundle.zip"

build-plugin/spring-boot-antlib/build.gradle

@@ -80,7 +80,6 @@ tasks.register("integrationTest") {
 					ant.propertyref(name: "ivy.class.path")
 				}
 				plainlistener()
-				file(layout.buildDirectory.dir("test-results/integrationTest")).mkdirs()
 				xmllistener(toDir: resultsDir)
 				fileset(dir: layout.buildDirectory.dir("it").get().asFile.toString(), includes: "**/build.xml")
 			}

build-plugin/spring-boot-gradle-plugin/build.gradle

@@ -59,8 +59,6 @@ dependencies {
 
 	testImplementation(project(":test-support:spring-boot-gradle-test-support"))
 	testImplementation(project(":test-support:spring-boot-test-support"))
-	testImplementation("com.fasterxml.jackson.core:jackson-databind")
-	testImplementation("com.fasterxml.jackson.module:jackson-module-parameter-names")
 	testImplementation("com.tngtech.archunit:archunit-junit5:1.4.0")
 	testImplementation("net.java.dev.jna:jna-platform")
 	testImplementation("org.apache.commons:commons-compress")
@@ -70,6 +68,7 @@ dependencies {
 	testImplementation("org.jetbrains.kotlin:kotlin-compiler-runner:$kotlinVersion")
 	testImplementation("org.jetbrains.kotlin:kotlin-daemon-client:$kotlinVersion")
 	testImplementation("org.tomlj:tomlj:1.0.0")
+	testImplementation("tools.jackson.core:jackson-databind")
 }
 
 repositories {

build-plugin/spring-boot-gradle-plugin/src/docs/antora/modules/gradle-plugin/examples/running/boot-run-system-property.gradle

@@ -27,7 +27,7 @@ tasks.named("bootRun") {
 
 tasks.register("configuredSystemProperties") {
 	doLast {
-		bootRun.systemProperties.each { k, v -> 
+		bootRun.systemProperties.each { k, v ->
 			println "$k = $v"
 		}
 	}

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/plugin/ApplicationPluginAction.java

@@ -17,6 +17,7 @@
 package org.springframework.boot.gradle.plugin;
 
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.StringWriter;
 import java.util.concurrent.Callable;
@@ -38,6 +39,7 @@ import org.gradle.jvm.application.scripts.TemplateBasedScriptGenerator;
 import org.gradle.util.GradleVersion;
 
 import org.springframework.boot.gradle.tasks.run.BootRun;
+import org.springframework.util.Assert;
 
 /**
  * Action that is executed in response to the {@link ApplicationPlugin} being applied.
@@ -110,7 +112,7 @@ final class ApplicationPluginAction implements PluginApplicationAction {
 	}
 
 	private String loadResource(String name) {
-		try (InputStreamReader reader = new InputStreamReader(getClass().getResourceAsStream(name))) {
+		try (InputStreamReader reader = new InputStreamReader(getResourceAsStream(name))) {
 			char[] buffer = new char[4096];
 			int read;
 			StringWriter writer = new StringWriter();
@@ -124,6 +126,12 @@ final class ApplicationPluginAction implements PluginApplicationAction {
 		}
 	}
 
+	private InputStream getResourceAsStream(String name) {
+		InputStream stream = getClass().getResourceAsStream(name);
+		Assert.state(stream != null, "Resource '%s' not found'".formatted(name));
+		return stream;
+	}
+
 	private void configureFilePermissions(CopySpec copySpec, int mode) {
 		if (GradleVersion.current().compareTo(GradleVersion.version("8.3")) >= 0) {
 			copySpec.filePermissions((filePermissions) -> filePermissions.unix(Integer.toString(mode, 8)));
@@ -133,9 +141,13 @@ final class ApplicationPluginAction implements PluginApplicationAction {
 		}
 	}
 
-	@SuppressWarnings("deprecation")
 	private void configureFileMode(CopySpec copySpec, int mode) {
-		copySpec.setFileMode(mode);
+		try {
+			copySpec.getClass().getMethod("setFileMode", Integer.class).invoke(copySpec, Integer.valueOf(mode));
+		}
+		catch (Exception ex) {
+			throw new RuntimeException("Failed to set file mode on CopySpec", ex);
+		}
 	}
 
 }

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/plugin/JarTypeFileSpec.java

@@ -17,7 +17,6 @@
 package org.springframework.boot.gradle.plugin;
 
 import java.io.File;
-import java.util.Collections;
 import java.util.Set;
 import java.util.jar.JarFile;
 
@@ -33,7 +32,7 @@ import org.gradle.api.specs.Spec;
  */
 class JarTypeFileSpec implements Spec<File> {
 
-	private static final Set<String> EXCLUDED_JAR_TYPES = Collections.singleton("dependencies-starter");
+	private static final Set<String> EXCLUDED_JAR_TYPES = Set.of("dependencies-starter", "development-tool");
 
 	@Override
 	public boolean isSatisfiedBy(File file) {

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/plugin/JavaPluginAction.java

@@ -285,7 +285,6 @@ final class JavaPluginAction implements PluginApplicationAction {
 	private void configureProductionRuntimeClasspathConfiguration(Project project) {
 		Configuration productionRuntimeClasspath = project.getConfigurations()
 			.create(SpringBootPlugin.PRODUCTION_RUNTIME_CLASSPATH_CONFIGURATION_NAME);
-		productionRuntimeClasspath.setVisible(false);
 		Configuration runtimeClasspath = project.getConfigurations()
 			.getByName(JavaPlugin.RUNTIME_CLASSPATH_CONFIGURATION_NAME);
 		productionRuntimeClasspath.attributes((attributes) -> {

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/plugin/WarPluginAction.java

@@ -104,7 +104,6 @@ class WarPluginAction implements PluginApplicationAction {
 					.set(project.provider(() -> javaPluginExtension(project).getTargetCompatibility()));
 				bootWar.resolvedArtifacts(runtimeClasspath.getIncoming().getArtifacts().getResolvedArtifacts());
 			});
-		bootWarProvider.map(War::getClasspath);
 		return bootWarProvider;
 	}
 

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/aot/ProcessTestAot.java

@@ -43,7 +43,7 @@ import org.springframework.util.Assert;
  * @since 3.0.0
  */
 @CacheableTask
-public class ProcessTestAot extends AbstractAot {
+public abstract class ProcessTestAot extends AbstractAot {
 
 	private @Nullable FileCollection classpathRoots;
 

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/buildinfo/BuildInfoProperties.java

@@ -48,7 +48,7 @@ public abstract class BuildInfoProperties implements Serializable {
 
 	private final SetProperty<String> excludes;
 
-	private final Supplier<String> creationTime = () -> DateTimeFormatter.ISO_INSTANT.format(Instant.now());
+	private final Supplier<@Nullable String> creationTime = () -> DateTimeFormatter.ISO_INSTANT.format(Instant.now());
 
 	@Inject
 	public BuildInfoProperties(Project project, SetProperty<String> excludes) {
@@ -143,14 +143,18 @@ public abstract class BuildInfoProperties implements Serializable {
 	}
 
 	private <T> @Nullable T getIfNotExcluded(Property<T> property, String name) {
-		return getIfNotExcluded(property, name, () -> null);
+		Supplier<@Nullable T> supplier = () -> null;
+		return getIfNotExcluded(property, name, supplier);
 	}
 
-	private <T> @Nullable T getIfNotExcluded(Property<T> property, String name, Supplier<T> defaultValue) {
+	private <T> @Nullable T getIfNotExcluded(Property<T> property, String name, Supplier<@Nullable T> defaultValue) {
 		if (this.excludes.getOrElse(Collections.emptySet()).contains(name)) {
 			return null;
 		}
-		return property.getOrElse(defaultValue.get());
+		if (property.isPresent()) {
+			return property.get();
+		}
+		return defaultValue.get();
 	}
 
 	private Map<String, String> coerceToStringValues(Map<String, Object> input) {
@@ -159,7 +163,9 @@ public abstract class BuildInfoProperties implements Serializable {
 			if (value instanceof Provider<?> provider) {
 				value = provider.getOrNull();
 			}
-			output.put(key, (value != null) ? value.toString() : null);
+			if (value != null) {
+				output.put(key, value.toString());
+			}
 		});
 		return output;
 	}
@@ -167,7 +173,12 @@ public abstract class BuildInfoProperties implements Serializable {
 	private Map<String, Object> applyExclusions(Map<String, Object> input) {
 		Map<String, Object> output = new HashMap<>();
 		Set<String> exclusions = this.excludes.getOrElse(Collections.emptySet());
-		input.forEach((key, value) -> output.put(key, (!exclusions.contains(key)) ? value : null));
+		input.forEach((key, value) -> {
+			boolean isExcluded = exclusions.contains(key);
+			if (!isExcluded) {
+				output.put(key, value);
+			}
+		});
 		return output;
 	}
 

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootArchive.java

@@ -34,8 +34,6 @@ import org.gradle.api.tasks.Nested;
 import org.gradle.api.tasks.Optional;
 import org.jspecify.annotations.Nullable;
 
-import org.springframework.boot.loader.tools.LoaderImplementation;
-
 /**
  * A Spring Boot "fat" archive task.
  *
@@ -137,15 +135,6 @@ public interface BootArchive extends Task {
 	 */
 	void resolvedArtifacts(Provider<Set<ResolvedArtifactResult>> resolvedArtifacts);
 
-	/**
-	 * The loader implementation that should be used with the archive.
-	 * @return the loader implementation
-	 * @since 3.2.0
-	 */
-	@Input
-	@Optional
-	Property<LoaderImplementation> getLoaderImplementation();
-
 	/**
 	 * Returns whether the JAR tools should be included as a dependency in the layered
 	 * archive.

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootArchiveSupport.java

@@ -22,32 +22,24 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.util.Collections;
 import java.util.HashSet;
-import java.util.Map;
 import java.util.Set;
-import java.util.TreeMap;
 import java.util.function.Function;
 
 import org.gradle.api.file.ConfigurableFilePermissions;
 import org.gradle.api.file.CopySpec;
 import org.gradle.api.file.FileCopyDetails;
 import org.gradle.api.file.FileTreeElement;
-import org.gradle.api.file.RelativePath;
 import org.gradle.api.internal.file.copy.CopyAction;
-import org.gradle.api.internal.file.copy.CopyActionProcessingStream;
-import org.gradle.api.internal.file.copy.FileCopyDetailsInternal;
 import org.gradle.api.java.archives.Attributes;
 import org.gradle.api.java.archives.Manifest;
 import org.gradle.api.provider.Property;
 import org.gradle.api.specs.Spec;
 import org.gradle.api.specs.Specs;
-import org.gradle.api.tasks.WorkResult;
 import org.gradle.api.tasks.bundling.Jar;
 import org.gradle.api.tasks.util.PatternSet;
 import org.gradle.util.GradleVersion;
 import org.jspecify.annotations.Nullable;
 
-import org.springframework.boot.loader.tools.LoaderImplementation;
-
 /**
  * Support class for implementations of {@link BootArchive}.
  *
@@ -123,13 +115,11 @@ class BootArchiveSupport {
 		return (version != null) ? version : "unknown";
 	}
 
-	CopyAction createCopyAction(Jar jar, ResolvedDependencies resolvedDependencies,
-			LoaderImplementation loaderImplementation, boolean supportsSignatureFile) {
-		return createCopyAction(jar, resolvedDependencies, loaderImplementation, supportsSignatureFile, null, null);
+	CopyAction createCopyAction(Jar jar, ResolvedDependencies resolvedDependencies, boolean supportsSignatureFile) {
+		return createCopyAction(jar, resolvedDependencies, supportsSignatureFile, null, null);
 	}
 
-	CopyAction createCopyAction(Jar jar, ResolvedDependencies resolvedDependencies,
-			LoaderImplementation loaderImplementation, boolean supportsSignatureFile,
+	CopyAction createCopyAction(Jar jar, ResolvedDependencies resolvedDependencies, boolean supportsSignatureFile,
 			@Nullable LayerResolver layerResolver, @Nullable String jarmodeToolsLocation) {
 		File output = jar.getArchiveFile().get().getAsFile();
 		Manifest manifest = jar.getManifest();
@@ -145,9 +135,8 @@ class BootArchiveSupport {
 		String encoding = jar.getMetadataCharset();
 		CopyAction action = new BootZipCopyAction(output, manifest, preserveFileTimestamps, dirPermissions,
 				filePermissions, includeDefaultLoader, jarmodeToolsLocation, requiresUnpack, exclusions, launchScript,
-				librarySpec, compressionResolver, encoding, resolvedDependencies, supportsSignatureFile, layerResolver,
-				loaderImplementation);
-		return jar.isReproducibleFileOrder() ? new ReproducibleOrderingCopyAction(action) : action;
+				librarySpec, compressionResolver, encoding, resolvedDependencies, supportsSignatureFile, layerResolver);
+		return action;
 	}
 
 	private @Nullable Integer getUnixNumericDirPermissions(CopySpec copySpec) {
@@ -164,14 +153,22 @@ class BootArchiveSupport {
 		return permissions.isPresent() ? permissions.get().toUnixNumeric() : null;
 	}
 
-	@SuppressWarnings("deprecation")
 	private @Nullable Integer getDirMode(CopySpec copySpec) {
-		return copySpec.getDirMode();
+		try {
+			return (Integer) copySpec.getClass().getMethod("getDirMode").invoke(copySpec);
+		}
+		catch (Exception ex) {
+			throw new RuntimeException("Failed to get dir mode from CopySpec", ex);
+		}
 	}
 
-	@SuppressWarnings("deprecation")
 	private @Nullable Integer getFileMode(CopySpec copySpec) {
-		return copySpec.getFileMode();
+		try {
+			return (Integer) copySpec.getClass().getMethod("getFileMode").invoke(copySpec);
+		}
+		catch (Exception ex) {
+			throw new RuntimeException("Failed to get file mode from CopySpec", ex);
+		}
 	}
 
 	private boolean isUsingDefaultLoader(Jar jar) {
@@ -234,26 +231,4 @@ class BootArchiveSupport {
 		details.setRelativePath(details.getRelativeSourcePath());
 	}
 
-	/**
-	 * {@link CopyAction} variant that sorts entries to ensure reproducible ordering.
-	 */
-	private static final class ReproducibleOrderingCopyAction implements CopyAction {
-
-		private final CopyAction delegate;
-
-		private ReproducibleOrderingCopyAction(CopyAction delegate) {
-			this.delegate = delegate;
-		}
-
-		@Override
-		public WorkResult execute(CopyActionProcessingStream stream) {
-			return this.delegate.execute((action) -> {
-				Map<RelativePath, FileCopyDetailsInternal> detailsByPath = new TreeMap<>();
-				stream.process((details) -> detailsByPath.put(details.getRelativePath(), details));
-				detailsByPath.values().forEach(action::processFile);
-			});
-		}
-
-	}
-
 }

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootBuildImage.java

@@ -41,6 +41,7 @@ import org.gradle.work.DisableCachingByDefault;
 import org.springframework.boot.buildpack.platform.build.BuildRequest;
 import org.springframework.boot.buildpack.platform.build.Builder;
 import org.springframework.boot.buildpack.platform.build.BuildpackReference;
+import org.springframework.boot.buildpack.platform.build.Cache;
 import org.springframework.boot.buildpack.platform.build.Creator;
 import org.springframework.boot.buildpack.platform.build.PullPolicy;
 import org.springframework.boot.buildpack.platform.docker.transport.DockerEngineException;
@@ -460,14 +461,17 @@ public abstract class BootBuildImage extends DefaultTask {
 	}
 
 	private BuildRequest customizeCaches(BuildRequest request) {
-		if (this.buildWorkspace.asCache() != null) {
-			request = request.withBuildWorkspace((this.buildWorkspace.asCache()));
+		Cache buildWorkspaceCache = this.buildWorkspace.asCache();
+		if (buildWorkspaceCache != null) {
+			request = request.withBuildWorkspace(buildWorkspaceCache);
 		}
-		if (this.buildCache.asCache() != null) {
-			request = request.withBuildCache(this.buildCache.asCache());
+		Cache buildCache = this.buildCache.asCache();
+		if (buildCache != null) {
+			request = request.withBuildCache(buildCache);
 		}
-		if (this.launchCache.asCache() != null) {
-			request = request.withLaunchCache(this.launchCache.asCache());
+		Cache launchCache = this.launchCache.asCache();
+		if (launchCache != null) {
+			request = request.withLaunchCache(launchCache);
 		}
 		return request;
 	}

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootJar.java

@@ -38,8 +38,6 @@ import org.gradle.api.tasks.bundling.Jar;
 import org.gradle.work.DisableCachingByDefault;
 import org.jspecify.annotations.Nullable;
 
-import org.springframework.boot.loader.tools.LoaderImplementation;
-
 /**
  * A custom {@link Jar} task that produces a Spring Boot executable jar.
  *
@@ -145,13 +143,12 @@ public abstract class BootJar extends Jar implements BootArchive {
 
 	@Override
 	protected CopyAction createCopyAction() {
-		LoaderImplementation loaderImplementation = getLoaderImplementation().getOrElse(LoaderImplementation.DEFAULT);
 		LayerResolver layerResolver = null;
 		if (!isLayeredDisabled()) {
 			layerResolver = new LayerResolver(this.resolvedDependencies, this.layered, this::isLibrary);
 		}
 		String jarmodeToolsLocation = isIncludeJarmodeTools() ? LIB_DIRECTORY : null;
-		return this.support.createCopyAction(this, this.resolvedDependencies, loaderImplementation, true, layerResolver,
+		return this.support.createCopyAction(this, this.resolvedDependencies, true, layerResolver,
 				jarmodeToolsLocation);
 	}
 

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootWar.java

@@ -38,8 +38,6 @@ import org.gradle.api.tasks.bundling.War;
 import org.gradle.work.DisableCachingByDefault;
 import org.jspecify.annotations.Nullable;
 
-import org.springframework.boot.loader.tools.LoaderImplementation;
-
 /**
  * A custom {@link War} task that produces a Spring Boot executable war.
  *
@@ -119,14 +117,13 @@ public abstract class BootWar extends War implements BootArchive {
 
 	@Override
 	protected CopyAction createCopyAction() {
-		LoaderImplementation loaderImplementation = getLoaderImplementation().getOrElse(LoaderImplementation.DEFAULT);
 		LayerResolver layerResolver = null;
 		if (!isLayeredDisabled()) {
 			layerResolver = new LayerResolver(this.resolvedDependencies, this.layered, this::isLibrary);
 		}
 		String jarmodeToolsLocation = isIncludeJarmodeTools() ? LIB_DIRECTORY : null;
-		return this.support.createCopyAction(this, this.resolvedDependencies, loaderImplementation, false,
-				layerResolver, jarmodeToolsLocation);
+		return this.support.createCopyAction(this, this.resolvedDependencies, false, layerResolver,
+				jarmodeToolsLocation);
 	}
 
 	private boolean isIncludeJarmodeTools() {

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootZipCopyAction.java

@@ -22,13 +22,11 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
+import java.nio.charset.StandardCharsets;
 import java.time.OffsetDateTime;
 import java.time.ZoneOffset;
 import java.util.Collection;
 import java.util.HashMap;
-import java.util.HexFormat;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
 import java.util.List;
@@ -62,7 +60,6 @@ import org.springframework.boot.loader.tools.JarModeLibrary;
 import org.springframework.boot.loader.tools.Layer;
 import org.springframework.boot.loader.tools.LayersIndex;
 import org.springframework.boot.loader.tools.LibraryCoordinates;
-import org.springframework.boot.loader.tools.LoaderImplementation;
 import org.springframework.boot.loader.tools.NativeImageArgFile;
 import org.springframework.boot.loader.tools.ReachabilityMetadataProperties;
 import org.springframework.util.Assert;
@@ -111,7 +108,7 @@ class BootZipCopyAction implements CopyAction {
 
 	private final Function<FileCopyDetails, ZipCompression> compressionResolver;
 
-	private final String encoding;
+	private final @Nullable String encoding;
 
 	private final ResolvedDependencies resolvedDependencies;
 
@@ -119,15 +116,13 @@ class BootZipCopyAction implements CopyAction {
 
 	private final @Nullable LayerResolver layerResolver;
 
-	private final LoaderImplementation loaderImplementation;
-
 	BootZipCopyAction(File output, Manifest manifest, boolean preserveFileTimestamps, @Nullable Integer dirMode,
 			@Nullable Integer fileMode, boolean includeDefaultLoader, @Nullable String jarmodeToolsLocation,
 			Spec<FileTreeElement> requiresUnpack, Spec<FileTreeElement> exclusions,
 			@Nullable LaunchScriptConfiguration launchScript, Spec<FileCopyDetails> librarySpec,
-			Function<FileCopyDetails, ZipCompression> compressionResolver, String encoding,
+			Function<FileCopyDetails, ZipCompression> compressionResolver, @Nullable String encoding,
 			ResolvedDependencies resolvedDependencies, boolean supportsSignatureFile,
-			@Nullable LayerResolver layerResolver, LoaderImplementation loaderImplementation) {
+			@Nullable LayerResolver layerResolver) {
 		this.output = output;
 		this.manifest = manifest;
 		this.preserveFileTimestamps = preserveFileTimestamps;
@@ -144,7 +139,6 @@ class BootZipCopyAction implements CopyAction {
 		this.resolvedDependencies = resolvedDependencies;
 		this.supportsSignatureFile = supportsSignatureFile;
 		this.layerResolver = layerResolver;
-		this.loaderImplementation = loaderImplementation;
 	}
 
 	@Override
@@ -328,8 +322,7 @@ class BootZipCopyAction implements CopyAction {
 				// Always write loader entries after META-INF directory (see gh-16698)
 				return;
 			}
-			LoaderZipEntries loaderEntries = new LoaderZipEntries(getTime(), getDirMode(), getFileMode(),
-					BootZipCopyAction.this.loaderImplementation);
+			LoaderZipEntries loaderEntries = new LoaderZipEntries(getTime(), getDirMode(), getFileMode());
 			this.writtenLoaderEntries = loaderEntries.writeTo(this.out);
 			if (BootZipCopyAction.this.layerResolver != null) {
 				for (String name : this.writtenLoaderEntries.getFiles()) {
@@ -390,7 +383,8 @@ class BootZipCopyAction implements CopyAction {
 			if (classPathIndex != null) {
 				Set<String> libraryNames = this.writtenLibraries.keySet();
 				List<String> lines = libraryNames.stream().map((line) -> "- \"" + line + "\"").toList();
-				ZipEntryContentWriter writer = ZipEntryContentWriter.fromLines(BootZipCopyAction.this.encoding, lines);
+				ZipEntryContentWriter writer = ZipEntryContentWriter.fromLines((BootZipCopyAction.this.encoding != null)
+						? BootZipCopyAction.this.encoding : StandardCharsets.UTF_8.name(), lines);
 				writeEntry(classPathIndex, writer, true);
 			}
 		}
@@ -415,7 +409,8 @@ class BootZipCopyAction implements CopyAction {
 			}
 			NativeImageArgFile argFile = new NativeImageArgFile(excludes);
 			argFile.writeIfNecessary((lines) -> {
-				ZipEntryContentWriter writer = ZipEntryContentWriter.fromLines(BootZipCopyAction.this.encoding, lines);
+				ZipEntryContentWriter writer = ZipEntryContentWriter.fromLines((BootZipCopyAction.this.encoding != null)
+						? BootZipCopyAction.this.encoding : StandardCharsets.UTF_8.name(), lines);
 				writeEntry(NativeImageArgFile.LOCATION, writer, true);
 			});
 		}
@@ -509,9 +504,13 @@ class BootZipCopyAction implements CopyAction {
 					? details.getPermissions().toUnixNumeric() : getMode(details);
 		}
 
-		@SuppressWarnings("deprecation")
 		private int getMode(FileCopyDetails details) {
-			return details.getMode();
+			try {
+				return (int) details.getClass().getMethod("getMode").invoke(details);
+			}
+			catch (Exception ex) {
+				throw new RuntimeException("Failed to get mode from FileCopyDetails", ex);
+			}
 		}
 
 	}
@@ -587,36 +586,24 @@ class BootZipCopyAction implements CopyAction {
 
 		private static final int BUFFER_SIZE = 32 * 1024;
 
-		private final @Nullable MessageDigest messageDigest;
+		private final boolean unpack;
 
 		private final CRC32 crc = new CRC32();
 
 		private long size;
 
 		StoredEntryPreparator(InputStream inputStream, boolean unpack) throws IOException {
-			this.messageDigest = (unpack) ? sha1Digest() : null;
+			this.unpack = unpack;
 			try (inputStream) {
 				load(inputStream);
 			}
 		}
 
-		private static MessageDigest sha1Digest() {
-			try {
-				return MessageDigest.getInstance("SHA-1");
-			}
-			catch (NoSuchAlgorithmException ex) {
-				throw new IllegalStateException(ex);
-			}
-		}
-
 		private void load(InputStream inputStream) throws IOException {
 			byte[] buffer = new byte[BUFFER_SIZE];
 			int bytesRead;
 			while ((bytesRead = inputStream.read(buffer)) != -1) {
 				this.crc.update(buffer, 0, bytesRead);
-				if (this.messageDigest != null) {
-					this.messageDigest.update(buffer, 0, bytesRead);
-				}
 				this.size += bytesRead;
 			}
 		}
@@ -626,8 +613,8 @@ class BootZipCopyAction implements CopyAction {
 			entry.setCompressedSize(this.size);
 			entry.setCrc(this.crc.getValue());
 			entry.setMethod(ZipEntry.STORED);
-			if (this.messageDigest != null) {
-				entry.setComment("UNPACK:" + HexFormat.of().formatHex(this.messageDigest.digest()));
+			if (this.unpack) {
+				entry.setComment("UNPACK");
 			}
 		}
 

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/LoaderZipEntries.java

@@ -29,7 +29,7 @@ import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream;
 import org.gradle.api.file.FileTreeElement;
 import org.jspecify.annotations.Nullable;
 
-import org.springframework.boot.loader.tools.LoaderImplementation;
+import org.springframework.util.Assert;
 import org.springframework.util.StreamUtils;
 
 /**
@@ -41,27 +41,22 @@ import org.springframework.util.StreamUtils;
  */
 class LoaderZipEntries {
 
-	private final LoaderImplementation loaderImplementation;
-
 	private final @Nullable Long entryTime;
 
 	private final int dirMode;
 
 	private final int fileMode;
 
-	LoaderZipEntries(@Nullable Long entryTime, int dirMode, int fileMode,
-			@Nullable LoaderImplementation loaderImplementation) {
+	LoaderZipEntries(@Nullable Long entryTime, int dirMode, int fileMode) {
 		this.entryTime = entryTime;
 		this.dirMode = dirMode;
 		this.fileMode = fileMode;
-		this.loaderImplementation = (loaderImplementation != null) ? loaderImplementation
-				: LoaderImplementation.DEFAULT;
 	}
 
 	WrittenEntries writeTo(ZipArchiveOutputStream out) throws IOException {
 		WrittenEntries written = new WrittenEntries();
 		try (ZipInputStream loaderJar = new ZipInputStream(
-				getClass().getResourceAsStream("/" + this.loaderImplementation.getJarResourceName()))) {
+				getResourceAsStream("/META-INF/loader/spring-boot-loader.jar"))) {
 			java.util.zip.ZipEntry entry = loaderJar.getNextEntry();
 			while (entry != null) {
 				if (entry.isDirectory() && !entry.getName().equals("META-INF/")) {
@@ -78,6 +73,12 @@ class LoaderZipEntries {
 		return written;
 	}
 
+	private InputStream getResourceAsStream(String name) {
+		InputStream stream = getClass().getResourceAsStream(name);
+		Assert.state(stream != null, "Resource '%s not found'".formatted(name));
+		return stream;
+	}
+
 	private void writeDirectory(ZipArchiveEntry entry, ZipArchiveOutputStream out) throws IOException {
 		prepareEntry(entry, this.dirMode);
 		out.putArchiveEntry(entry);

build-plugin/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/docs/PackagingDocumentationTests.java

@@ -124,7 +124,7 @@ class PackagingDocumentationTests {
 		try (JarFile jar = new JarFile(file)) {
 			JarEntry entry = jar.getJarEntry("BOOT-INF/lib/jruby-complete-1.7.25.jar");
 			assertThat(entry).isNotNull();
-			assertThat(entry.getComment()).startsWith("UNPACK:");
+			assertThat(entry.getComment()).isEqualTo("UNPACK");
 		}
 	}
 

build-plugin/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/buildinfo/BuildInfoTests.java

@@ -24,8 +24,6 @@ import java.time.format.DateTimeFormatter;
 import java.util.Properties;
 
 import org.gradle.api.Project;
-import org.gradle.api.internal.project.ProjectInternal;
-import org.gradle.initialization.GradlePropertiesController;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
 
@@ -173,11 +171,7 @@ class BuildInfoTests {
 
 	private Project createProject(String projectName) {
 		File projectDir = new File(this.temp, projectName);
-		Project project = GradleProjectBuilder.builder().withProjectDir(projectDir).withName(projectName).build();
-		((ProjectInternal) project).getServices()
-			.get(GradlePropertiesController.class)
-			.loadGradlePropertiesFrom(projectDir, false);
-		return project;
+		return GradleProjectBuilder.builder().withProjectDir(projectDir).withName(projectName).build();
 	}
 
 	private BuildInfo createTask(Project project) {

build-plugin/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/AbstractBootArchiveIntegrationTests.java

@@ -108,16 +108,6 @@ abstract class AbstractBootArchiveIntegrationTests {
 		assertThat(firstHash).isEqualTo(secondHash);
 	}
 
-	@TestTemplate
-	void classicLoader() throws IOException {
-		assertThat(this.gradleBuild.build(this.taskName).task(":" + this.taskName).getOutcome())
-			.isEqualTo(TaskOutcome.SUCCESS);
-		File jar = new File(this.gradleBuild.getProjectDir(), "build/libs").listFiles()[0];
-		try (JarFile jarFile = new JarFile(jar)) {
-			assertThat(jarFile.getEntry("org/springframework/boot/loader/LaunchedURLClassLoader.class")).isNotNull();
-		}
-	}
-
 	@TestTemplate
 	void upToDateWhenBuiltTwice() {
 		assertThat(this.gradleBuild.build(this.taskName).task(":" + this.taskName).getOutcome())
@@ -243,14 +233,8 @@ abstract class AbstractBootArchiveIntegrationTests {
 				.filter((entry) -> !entry.isDirectory())
 				.map(JarEntry::getName)
 				.filter((name) -> name.startsWith(this.libPath));
-			if (this.gradleBuild.gradleVersionIsLessThan("9.0.0-rc-1")) {
-				assertThat(libEntryNames).containsExactly(this.libPath + "two-1.0.jar",
-						this.libPath + "commons-io-2.19.0.jar");
-			}
-			else {
-				assertThat(libEntryNames).containsExactly(this.libPath + "commons-io-2.19.0.jar",
-						this.libPath + "two-1.0.jar");
-			}
+			assertThat(libEntryNames).containsExactly(this.libPath + "two-1.0.jar",
+					this.libPath + "commons-io-2.19.0.jar");
 		}
 	}
 
@@ -293,6 +277,7 @@ abstract class AbstractBootArchiveIntegrationTests {
 	void jarTypeFilteringIsApplied() throws IOException {
 		File flatDirRepository = new File(this.gradleBuild.getProjectDir(), "repository");
 		createDependenciesStarterJar(new File(flatDirRepository, "starter.jar"));
+		createDependenciesDeveloperToolsJar(new File(flatDirRepository, "devonly.jar"));
 		createStandardJar(new File(flatDirRepository, "standard.jar"));
 		assertThat(this.gradleBuild.build(this.taskName).task(":" + this.taskName).getOutcome())
 			.isEqualTo(TaskOutcome.SUCCESS);
@@ -669,6 +654,10 @@ abstract class AbstractBootArchiveIntegrationTests {
 		createJar(location, (attributes) -> attributes.putValue("Spring-Boot-Jar-Type", "dependencies-starter"));
 	}
 
+	private void createDependenciesDeveloperToolsJar(File location) throws IOException {
+		createJar(location, (attributes) -> attributes.putValue("Spring-Boot-Jar-Type", "development-tool"));
+	}
+
 	private void createJar(File location, Consumer<Attributes> attributesConfigurer) throws IOException {
 		location.getParentFile().mkdirs();
 		Manifest manifest = new Manifest();

build-plugin/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/AbstractBootArchiveTests.java

@@ -27,6 +27,8 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.StandardOpenOption;
 import java.nio.file.attribute.PosixFilePermission;
+import java.time.OffsetDateTime;
+import java.time.ZoneOffset;
 import java.util.ArrayList;
 import java.util.Enumeration;
 import java.util.HashMap;
@@ -35,6 +37,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeSet;
+import java.util.UUID;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 import java.util.jar.JarOutputStream;
@@ -65,7 +68,6 @@ import org.junit.jupiter.api.io.TempDir;
 import org.springframework.boot.gradle.junit.GradleProjectBuilder;
 import org.springframework.boot.loader.tools.DefaultLaunchScript;
 import org.springframework.boot.loader.tools.JarModeLibrary;
-import org.springframework.boot.loader.tools.LoaderImplementation;
 import org.springframework.util.FileCopyUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -283,17 +285,6 @@ abstract class AbstractBootArchiveTests<T extends Jar & BootArchive> {
 		}
 	}
 
-	@Test
-	void loaderIsWrittenToTheRootOfTheJarWhenUsingClassicLoader() throws IOException {
-		this.task.getMainClass().set("com.example.Main");
-		this.task.getLoaderImplementation().set(LoaderImplementation.CLASSIC);
-		executeTask();
-		try (JarFile jarFile = new JarFile(this.task.getArchiveFile().get().getAsFile())) {
-			assertThat(jarFile.getEntry("org/springframework/boot/loader/LaunchedURLClassLoader.class")).isNotNull();
-			assertThat(jarFile.getEntry("org/springframework/boot/loader/")).isNotNull();
-		}
-	}
-
 	@Test
 	void unpackCommentIsAddedToEntryIdentifiedByAPattern() throws IOException {
 		this.task.getMainClass().set("com.example.Main");
@@ -301,7 +292,7 @@ abstract class AbstractBootArchiveTests<T extends Jar & BootArchive> {
 		this.task.requiresUnpack("**/one.jar");
 		executeTask();
 		try (JarFile jarFile = new JarFile(this.task.getArchiveFile().get().getAsFile())) {
-			assertThat(jarFile.getEntry(this.libPath + "one.jar").getComment()).startsWith("UNPACK:");
+			assertThat(jarFile.getEntry(this.libPath + "one.jar").getComment()).isEqualTo("UNPACK");
 			assertThat(jarFile.getEntry(this.libPath + "two.jar").getComment()).isNull();
 		}
 	}
@@ -313,7 +304,7 @@ abstract class AbstractBootArchiveTests<T extends Jar & BootArchive> {
 		this.task.requiresUnpack((element) -> element.getName().endsWith("two.jar"));
 		executeTask();
 		try (JarFile jarFile = new JarFile(this.task.getArchiveFile().get().getAsFile())) {
-			assertThat(jarFile.getEntry(this.libPath + "two.jar").getComment()).startsWith("UNPACK:");
+			assertThat(jarFile.getEntry(this.libPath + "two.jar").getComment()).isEqualTo("UNPACK");
 			assertThat(jarFile.getEntry(this.libPath + "one.jar").getComment()).isNull();
 		}
 	}
@@ -419,23 +410,46 @@ abstract class AbstractBootArchiveTests<T extends Jar & BootArchive> {
 	}
 
 	@Test
-	void reproducibleOrderingCanBeEnabled() throws IOException {
+	void archiveIsReproducibleByDefault() throws IOException {
 		this.task.getMainClass().set("com.example.Main");
-		this.task.from(newFile("bravo.txt"), newFile("alpha.txt"), newFile("charlie.txt"));
-		this.task.setReproducibleFileOrder(true);
+		this.task.from(newFiles("files/b/bravo.txt", "files/a/alpha.txt", "files/c/charlie.txt"));
 		executeTask();
 		assertThat(this.task.getArchiveFile().get().getAsFile()).exists();
-		List<String> textFiles = new ArrayList<>();
+		List<String> files = new ArrayList<>();
 		try (JarFile jarFile = new JarFile(this.task.getArchiveFile().get().getAsFile())) {
 			Enumeration<JarEntry> entries = jarFile.entries();
 			while (entries.hasMoreElements()) {
 				JarEntry entry = entries.nextElement();
-				if (entry.getName().endsWith(".txt")) {
-					textFiles.add(entry.getName());
+				assertThat(entry.getLastModifiedTime().toMillis())
+					.isEqualTo(ZipEntryConstants.CONSTANT_TIME_FOR_ZIP_ENTRIES);
+				if (entry.getName().startsWith("files/")) {
+					files.add(entry.getName());
+				}
+			}
+		}
+		assertThat(files).containsExactly("files/", "files/a/", "files/a/alpha.txt", "files/b/", "files/b/bravo.txt",
+				"files/c/", "files/c/charlie.txt");
+	}
+
+	@Test
+	void archiveReproducibilityCanBeDisabled() throws IOException {
+		this.task.getMainClass().set("com.example.Main");
+		this.task.from(newFiles("files/b/bravo.txt", "files/a/alpha.txt", "files/c/charlie.txt"));
+		this.task.setPreserveFileTimestamps(true);
+		this.task.setReproducibleFileOrder(false);
+		executeTask();
+		assertThat(this.task.getArchiveFile().get().getAsFile()).exists();
+		try (JarFile jarFile = new JarFile(this.task.getArchiveFile().get().getAsFile())) {
+			Enumeration<JarEntry> entries = jarFile.entries();
+			while (entries.hasMoreElements()) {
+				JarEntry entry = entries.nextElement();
+				if (entry.getName().endsWith(".txt") || entry.getName().startsWith("BOOT-INF/lib/")) {
+					OffsetDateTime lastModifiedTime = entry.getLastModifiedTime().toInstant().atOffset(ZoneOffset.UTC);
+					assertThat(lastModifiedTime)
+						.isNotEqualTo(OffsetDateTime.of(1980, 2, 1, 0, 0, 0, 0, ZoneOffset.UTC));
 				}
 			}
 		}
-		assertThat(textFiles).containsExactly("alpha.txt", "bravo.txt", "charlie.txt");
 	}
 
 	@Test
@@ -675,6 +689,19 @@ abstract class AbstractBootArchiveTests<T extends Jar & BootArchive> {
 		return entryNames;
 	}
 
+	protected File newFiles(String... names) throws IOException {
+		File dir = new File(this.temp, UUID.randomUUID().toString());
+		dir.mkdir();
+		List<File> files = new ArrayList<>();
+		for (String name : names) {
+			File file = new File(dir, name);
+			file.getParentFile().mkdirs();
+			file.createNewFile();
+			files.add(file);
+		}
+		return dir;
+	}
+
 	protected File newFile(String name) throws IOException {
 		File file = new File(this.temp, name);
 		file.createNewFile();

build-plugin/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/BootBuildImageTests.java

@@ -30,8 +30,8 @@ import org.junit.jupiter.api.io.TempDir;
 import org.springframework.boot.buildpack.platform.build.BuildRequest;
 import org.springframework.boot.buildpack.platform.build.BuildpackReference;
 import org.springframework.boot.buildpack.platform.build.PullPolicy;
+import org.springframework.boot.buildpack.platform.docker.ImagePlatform;
 import org.springframework.boot.buildpack.platform.docker.type.Binding;
-import org.springframework.boot.buildpack.platform.docker.type.ImagePlatform;
 import org.springframework.boot.buildpack.platform.docker.type.ImageReference;
 import org.springframework.boot.gradle.junit.GradleProjectBuilder;
 

build-plugin/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/BootJarIntegrationTests.java

@@ -66,18 +66,10 @@ class BootJarIntegrationTests extends AbstractBootArchiveIntegrationTests {
 		copyClasspathApplication();
 		BuildResult result = this.gradleBuild.build("launch");
 		String output = result.getOutput();
-		if (this.gradleBuild.gradleVersionIsLessThan("9.0.0-rc-1")) {
-			assertThat(output).containsPattern("1\\. .*classes");
-			assertThat(output).containsPattern("2\\. .*library-1.0-SNAPSHOT.jar");
-			assertThat(output).containsPattern("3\\. .*commons-lang3-3.9.jar");
-			assertThat(output).containsPattern("4\\. .*spring-boot-jarmode-tools.*.jar");
-		}
-		else {
-			assertThat(output).containsPattern("1\\. .*classes");
-			assertThat(output).containsPattern("2\\. .*commons-lang3-3.9.jar");
-			assertThat(output).containsPattern("3\\. .*library-1.0-SNAPSHOT.jar");
-			assertThat(output).containsPattern("4\\. .*spring-boot-jarmode-tools.*.jar");
-		}
+		assertThat(output).containsPattern("1\\. .*classes");
+		assertThat(output).containsPattern("2\\. .*library-1.0-SNAPSHOT.jar");
+		assertThat(output).containsPattern("3\\. .*commons-lang3-3.9.jar");
+		assertThat(output).containsPattern("4\\. .*spring-boot-jarmode-tools.*.jar");
 		assertThat(output).doesNotContain("5. ");
 	}
 
@@ -86,18 +78,10 @@ class BootJarIntegrationTests extends AbstractBootArchiveIntegrationTests {
 		copyClasspathApplication();
 		BuildResult result = this.gradleBuild.build("launch");
 		String output = result.getOutput();
-		if (this.gradleBuild.gradleVersionIsLessThan("9.0.0-rc-1")) {
-			assertThat(output).containsPattern("1\\. .*classes");
-			assertThat(output).containsPattern("2\\. .*spring-boot-jarmode-tools.*.jar");
-			assertThat(output).containsPattern("3\\. .*library-1.0-SNAPSHOT.jar");
-			assertThat(output).containsPattern("4\\. .*commons-lang3-3.9.jar");
-		}
-		else {
-			assertThat(output).containsPattern("1\\. .*classes");
-			assertThat(output).containsPattern("2\\. .*spring-boot-jarmode-tools.*.jar");
-			assertThat(output).containsPattern("3\\. .*commons-lang3-3.9.jar");
-			assertThat(output).containsPattern("4\\. .*library-1.0-SNAPSHOT.jar");
-		}
+		assertThat(output).containsPattern("1\\. .*classes");
+		assertThat(output).containsPattern("2\\. .*spring-boot-jarmode-tools.*.jar");
+		assertThat(output).containsPattern("3\\. .*library-1.0-SNAPSHOT.jar");
+		assertThat(output).containsPattern("4\\. .*commons-lang3-3.9.jar");
 		assertThat(output).doesNotContain("5. ");
 	}
 

build-plugin/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/testkit/PluginClasspathGradleBuild.java

@@ -22,9 +22,6 @@ import java.util.ArrayList;
 import java.util.List;
 
 import com.fasterxml.jackson.annotation.JsonView;
-import com.fasterxml.jackson.core.Versioned;
-import com.fasterxml.jackson.databind.Module;
-import com.fasterxml.jackson.module.paramnames.ParameterNamesModule;
 import com.sun.jna.Platform;
 import io.spring.gradle.dependencymanagement.DependencyManagementPlugin;
 import org.antlr.v4.runtime.Lexer;
@@ -39,6 +36,8 @@ import org.jetbrains.kotlin.gradle.plugin.KotlinCompilerPluginSupportPlugin;
 import org.jetbrains.kotlin.project.model.LanguageSettings;
 import org.jetbrains.kotlin.tooling.core.KotlinToolingVersion;
 import org.tomlj.Toml;
+import tools.jackson.core.JsonParser;
+import tools.jackson.databind.JacksonModule;
 
 import org.springframework.asm.ClassVisitor;
 import org.springframework.boot.buildpack.platform.build.BuildRequest;
@@ -103,9 +102,8 @@ public class PluginClasspathGradleBuild extends GradleBuild {
 		classpath.add(new File(pathOfJarContaining(HttpClientConnectionManager.class)));
 		classpath.add(new File(pathOfJarContaining(HttpRequest.class)));
 		classpath.add(new File(pathOfJarContaining(HttpVersionPolicy.class)));
-		classpath.add(new File(pathOfJarContaining(Module.class)));
-		classpath.add(new File(pathOfJarContaining(Versioned.class)));
-		classpath.add(new File(pathOfJarContaining(ParameterNamesModule.class)));
+		classpath.add(new File(pathOfJarContaining(JacksonModule.class)));
+		classpath.add(new File(pathOfJarContaining(JsonParser.class)));
 		classpath.add(new File(pathOfJarContaining("com.github.openjson.JSONObject")));
 		classpath.add(new File(pathOfJarContaining(JsonView.class)));
 		classpath.add(new File(pathOfJarContaining(Platform.class)));

build-plugin/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/dsl/BuildInfoDslIntegrationTests-jarWithCustomName.gradle

@@ -29,7 +29,7 @@ bootJar {
 		baseName = 'foo'
 	}
 	else {
-		archiveBaseName = 'foo'	
+		archiveBaseName = 'foo'
 	}
 }
 

build-plugin/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/dsl/BuildInfoDslIntegrationTests-warWithCustomName.gradle

@@ -29,7 +29,7 @@ bootWar {
 		baseName = 'foo'
 	}
 	else {
-		archiveBaseName = 'foo'	
+		archiveBaseName = 'foo'
 	}
 }
 

build-plugin/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/SpringBootAotPluginIntegrationTests-processTestAotHasLibraryResourcesOnItsClasspath.gradle

@@ -42,7 +42,7 @@ dependencies {
 }
 
 task('processTestAotClasspath') {
-	dependsOn configurations.processTestAotClasspath 
+	dependsOn configurations.processTestAotClasspath
 	doFirst {
 		configurations.processTestAotClasspath.files.each { println it }
 	}

build-plugin/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/SpringBootAotPluginIntegrationTests-processTestAotHasTransitiveRuntimeDependenciesOnItsClasspath.gradle

@@ -42,7 +42,7 @@ dependencies {
 }
 
 task('processTestAotClasspath') {
-	dependsOn configurations.processTestAotClasspath 
+	dependsOn configurations.processTestAotClasspath
 	doFirst {
 		configurations.processTestAotClasspath.files.each { println it }
 	}

build-plugin/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/tasks/bundling/BootJarIntegrationTests-customLayers.gradle

@@ -33,7 +33,7 @@ bootJar {
 				include "*:*:*SNAPSHOT"
 			}
 			intoLayer("commons-dependencies") {
-				include "org.apache.commons:*" 
+				include "org.apache.commons:*"
 			}
 			intoLayer("dependencies")
 		}

build-plugin/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/tasks/bundling/BootJarIntegrationTests-multiModuleCustomLayers.gradle

@@ -48,7 +48,7 @@ bootJar {
 				includeProjectDependencies()
 			}
 			intoLayer("commons-dependencies") {
-				include "org.apache.commons:*" 
+				include "org.apache.commons:*"
 			}
 			intoLayer("dependencies")
 		}

build-plugin/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/tasks/bundling/BootJarIntegrationTests-reproducibleArchive.gradle

@@ -21,6 +21,8 @@ plugins {
 
 bootJar {
 	mainClass = 'com.example.Application'
-	preserveFileTimestamps = false
-	reproducibleFileOrder = true
+	if (GradleVersion.current().compareTo(GradleVersion.version("9.0.0-rc-1")) < 0) {
+		preserveFileTimestamps = false
+		reproducibleFileOrder = true
+	}
 }

build-plugin/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/tasks/bundling/BootWarIntegrationTests-reproducibleArchive.gradle

@@ -21,6 +21,8 @@ plugins {
 
 bootWar {
 	mainClass = 'com.example.Application'
-	preserveFileTimestamps = false
-	reproducibleFileOrder = true
+	if (GradleVersion.current().compareTo(GradleVersion.version("9.0.0-rc-1")) < 0) {
+		preserveFileTimestamps = false
+		reproducibleFileOrder = true
+	}
 }

build-plugin/spring-boot-maven-plugin/src/docs/antora/modules/maven-plugin/examples/using/different-versions-pom.xml

@@ -6,7 +6,7 @@
 	<!-- tag::different-versions[] -->
 	<properties>
 		<slf4j.version>1.7.30</slf4j.version>
-		<spring-data-releasetrain.version>Moore-SR6</spring-data-releasetrain.version>
+		<spring-data-bom.version>2024.1.10</spring-data-bom.version>
 	</properties>
 	<!-- end::different-versions[] -->
 

build-plugin/spring-boot-maven-plugin/src/docs/antora/modules/maven-plugin/examples/using/no-starter-parent-override-dependencies-pom.xml

@@ -24,8 +24,8 @@
 			<!-- Override Spring Data release train provided by Spring Boot -->
 			<dependency>
 				<groupId>org.springframework.data</groupId>
-				<artifactId>spring-data-releasetrain</artifactId>
-				<version>2020.0.0-SR1</version>
+				<artifactId>spring-data-bom</artifactId>
+				<version>2024.1.10</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>

build-plugin/spring-boot-maven-plugin/src/docs/antora/modules/maven-plugin/pages/using.adoc

@@ -67,6 +67,9 @@ include::example$using/different-versions-pom.xml[tags=different-versions]
 
 Browse the xref:appendix:dependency-versions/properties.adoc[Dependency Versions Properties] section in the Spring Boot reference for a complete list of dependency version properties.
 
+WARNING: Each Spring Boot release is designed and tested against a specific set of third-party dependencies.
+Overriding versions may cause compatibility issues and should be done with care.
+
 
 
 [[using.import]]

build-plugin/spring-boot-maven-plugin/src/intTest/java/org/springframework/boot/maven/AbstractArchiveIntegrationTests.java

@@ -159,7 +159,7 @@ abstract class AbstractArchiveIntegrationTests {
 					Optional<JarEntry> match = entries.filter((entry) -> entry.getName().startsWith(prefix))
 						.findFirst();
 					assertThat(match).as("Name starting with %s", prefix)
-						.hasValueSatisfying((entry) -> assertThat(entry.getComment()).startsWith("UNPACK:"));
+						.hasValueSatisfying((entry) -> assertThat(entry.getComment()).isEqualTo("UNPACK"));
 				});
 			});
 			return this;

build-plugin/spring-boot-maven-plugin/src/intTest/java/org/springframework/boot/maven/AotTests.java

@@ -37,6 +37,7 @@ import static org.assertj.core.api.Assertions.contentOf;
  * @author Stephane Nicoll
  * @author Andy Wilkinson
  * @author Scott Frederick
+ * @author Moritz Halbritter
  */
 @ExtendWith(MavenBuildExtension.class)
 class AotTests {
@@ -102,6 +103,15 @@ class AotTests {
 		});
 	}
 
+	@TestTemplate
+	void whenAotRunsWithSystemPropertiesSourcesAreGenerated(MavenBuild mavenBuild) {
+		mavenBuild.project("aot-system-properties").goals("package").execute((project) -> {
+			Path aotDirectory = project.toPath().resolve("target/spring-aot/main");
+			assertThat(collectRelativePaths(aotDirectory.resolve("sources")))
+				.contains(Path.of("org", "test", "TestProfileConfiguration__BeanDefinitions.java"));
+		});
+	}
+
 	@TestTemplate
 	void whenAotRunsWithJvmArgumentsSourcesAreGenerated(MavenBuild mavenBuild) {
 		mavenBuild.project("aot-jvm-arguments").goals("package").execute((project) -> {
@@ -166,6 +176,17 @@ class AotTests {
 		});
 	}
 
+	@TestTemplate
+	void whenAotRunsWithDevtoolsInClasspathItIsExcluded(MavenBuild mavenBuild) {
+		mavenBuild.project("aot-exclude-devtools").goals("package").execute((project) -> {
+			Path aotDirectory = project.toPath().resolve("target/spring-aot/main");
+			assertThat(aotDirectory).exists();
+			Path sourcesDirectory = aotDirectory.resolve("sources");
+			assertThat(sourcesDirectory).exists();
+			assertThat(collectRelativePaths(sourcesDirectory)).isNotEmpty();
+		});
+	}
+
 	@TestTemplate
 	void whenAotTestRunsSourcesAndResourcesAreGenerated(MavenBuild mavenBuild) {
 		mavenBuild.project("aot-test").goals("test").execute((project) -> {
@@ -180,6 +201,17 @@ class AotTests {
 		});
 	}
 
+	@TestTemplate
+	void whenTestAotRunsWithDevtoolsInClasspathItIsExcluded(MavenBuild mavenBuild) {
+		mavenBuild.project("aot-test-exclude-devtools").goals("process-test-classes").execute((project) -> {
+			Path aotDirectory = project.toPath().resolve("target/spring-aot/test");
+			assertThat(aotDirectory).exists();
+			Path sourcesDirectory = aotDirectory.resolve("sources");
+			assertThat(sourcesDirectory).exists();
+			assertThat(collectRelativePaths(sourcesDirectory)).isNotEmpty();
+		});
+	}
+
 	List<Path> collectRelativePaths(Path sourceDirectory) {
 		try (Stream<Path> pathStream = Files.walk(sourceDirectory)) {
 			return pathStream.filter(Files::isRegularFile)

build-plugin/spring-boot-maven-plugin/src/intTest/java/org/springframework/boot/maven/JarIntegrationTests.java

@@ -76,26 +76,6 @@ class JarIntegrationTests extends AbstractArchiveIntegrationTests {
 		});
 	}
 
-	@TestTemplate
-	void whenJarWithClassicLoaderIsRepackagedInPlaceOnlyRepackagedJarIsInstalled(MavenBuild mavenBuild) {
-		mavenBuild.project("jar-with-classic-loader").goals("install").execute((project) -> {
-			File original = new File(project, "target/jar-with-classic-loader-0.0.1.BUILD-SNAPSHOT.jar.original");
-			assertThat(original).isFile();
-			File repackaged = new File(project, "target/jar-with-classic-loader-0.0.1.BUILD-SNAPSHOT.jar");
-			assertThat(launchScript(repackaged)).isEmpty();
-			assertThat(jar(repackaged)).manifest((manifest) -> {
-				manifest.hasMainClass("org.springframework.boot.loader.launch.JarLauncher");
-				manifest.hasStartClass("some.random.Main");
-				manifest.hasAttribute("Not-Used", "Foo");
-			}).hasEntryWithName("org/springframework/boot/loader/launch/JarLauncher.class");
-			assertThat(buildLog(project))
-				.contains("Replacing main artifact " + repackaged + " with repackaged archive,")
-				.contains("The original artifact has been renamed to " + original)
-				.contains("Installing " + repackaged + " to")
-				.doesNotContain("Installing " + original + " to");
-		});
-	}
-
 	@TestTemplate
 	void whenAttachIsDisabledOnlyTheOriginalJarIsInstalled(MavenBuild mavenBuild) {
 		mavenBuild.project("jar-attach-disabled").goals("install").execute((project) -> {
@@ -196,7 +176,40 @@ class JarIntegrationTests extends AbstractArchiveIntegrationTests {
 				.hasEntryWithNameStartingWith("BOOT-INF/lib/spring-context")
 				.hasEntryWithNameStartingWith("BOOT-INF/lib/spring-core")
 				.hasEntryWithNameStartingWith("BOOT-INF/lib/commons-logging")
-				.doesNotHaveEntryWithName("BOOT-INF/lib/servlet-api-2.5.jar");
+				.doesNotHaveEntryWithNameStartingWith("BOOT-INF/lib/servlet-api-");
+		});
+	}
+
+	@TestTemplate
+	void whenAnEntryIsOptionalByDefaultDoesNotAppearInTheRepackagedJar(MavenBuild mavenBuild) {
+		mavenBuild.project("jar-optional-default").goals("install").execute((project) -> {
+			File repackaged = new File(project, "target/jar-optional-default-0.0.1.BUILD-SNAPSHOT.jar");
+			assertThat(jar(repackaged)).hasEntryWithNameStartingWith("BOOT-INF/classes/")
+				.hasEntryWithNameStartingWith("BOOT-INF/lib/spring-context")
+				.hasEntryWithNameStartingWith("BOOT-INF/lib/spring-core")
+				.doesNotHaveEntryWithNameStartingWith("BOOT-INF/lib/log4j-api-");
+		});
+	}
+
+	@TestTemplate
+	void whenAnEntryIsOptionalAndOptionalsIncludedAppearsInTheRepackagedJar(MavenBuild mavenBuild) {
+		mavenBuild.project("jar-optional-include").goals("install").execute((project) -> {
+			File repackaged = new File(project, "target/jar-optional-include-0.0.1.BUILD-SNAPSHOT.jar");
+			assertThat(jar(repackaged)).hasEntryWithNameStartingWith("BOOT-INF/classes/")
+				.hasEntryWithNameStartingWith("BOOT-INF/lib/spring-context")
+				.hasEntryWithNameStartingWith("BOOT-INF/lib/spring-core")
+				.hasEntryWithNameStartingWith("BOOT-INF/lib/log4j-api-");
+		});
+	}
+
+	@TestTemplate
+	void whenAnEntryIsOptionalAndOptionalsExcludedDoesNotAppearInTheRepackagedJar(MavenBuild mavenBuild) {
+		mavenBuild.project("jar-optional-exclude").goals("install").execute((project) -> {
+			File repackaged = new File(project, "target/jar-optional-exclude-0.0.1.BUILD-SNAPSHOT.jar");
+			assertThat(jar(repackaged)).hasEntryWithNameStartingWith("BOOT-INF/classes/")
+				.hasEntryWithNameStartingWith("BOOT-INF/lib/spring-context")
+				.hasEntryWithNameStartingWith("BOOT-INF/lib/spring-core")
+				.doesNotHaveEntryWithNameStartingWith("BOOT-INF/lib/log4j-api-");
 		});
 	}
 
@@ -248,9 +261,8 @@ class JarIntegrationTests extends AbstractArchiveIntegrationTests {
 			File repackaged = new File(project, "target/jar-exclude-group-0.0.1.BUILD-SNAPSHOT.jar");
 			assertThat(jar(repackaged)).hasEntryWithNameStartingWith("BOOT-INF/classes/")
 				.hasEntryWithNameStartingWith("BOOT-INF/lib/spring-context")
-				.hasEntryWithNameStartingWith("BOOT-INF/lib/spring-core")
 				.hasEntryWithNameStartingWith("BOOT-INF/lib/commons-logging")
-				.doesNotHaveEntryWithName("BOOT-INF/lib/log4j-api-2.4.1.jar");
+				.doesNotHaveEntryWithName("BOOT-INF/lib/log4j-api-");
 		});
 	}
 
@@ -388,7 +400,7 @@ class JarIntegrationTests extends AbstractArchiveIntegrationTests {
 				assertThat(layerIndex.get("application")).contains("BOOT-INF/lib/jar-release-0.0.1.RELEASE.jar",
 						"BOOT-INF/lib/jar-snapshot-0.0.1.BUILD-SNAPSHOT.jar");
 				assertThat(layerIndex.get("dependencies"))
-					.anyMatch((dependency) -> dependency.startsWith("BOOT-INF/lib/log4j-api-2"));
+					.anyMatch((dependency) -> dependency.startsWith("BOOT-INF/lib/log4j-api-"));
 			}
 			catch (IOException ex) {
 				// Ignore

build-plugin/spring-boot-maven-plugin/src/intTest/projects/aot-exclude-devtools/pom.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>org.springframework.boot.maven.it</groupId>
+	<artifactId>aot-exclude-devtools</artifactId>
+	<version>0.0.1.BUILD-SNAPSHOT</version>
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<maven.compiler.source>@java.version@</maven.compiler.source>
+		<maven.compiler.target>@java.version@</maven.compiler.target>
+	</properties>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>@project.groupId@</groupId>
+				<artifactId>@project.artifactId@</artifactId>
+				<version>@project.version@</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>process-aot</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot</artifactId>
+			<version>@project.version@</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-devtools</artifactId>
+			<version>@project.version@</version>
+			<optional>true</optional>
+		</dependency>
+	</dependencies>
+</project>

build-plugin/spring-boot-maven-plugin/src/intTest/projects/aot-exclude-devtools/src/main/java/org/test/SampleApplication.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2012-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.test;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SampleApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SampleApplication.class, args);
+	}
+
+}

build-plugin/spring-boot-maven-plugin/src/intTest/projects/aot-system-properties/pom.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>org.springframework.boot.maven.it</groupId>
+	<artifactId>aot-system-properties</artifactId>
+	<version>0.0.1.BUILD-SNAPSHOT</version>
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<maven.compiler.source>@java.version@</maven.compiler.source>
+		<maven.compiler.target>@java.version@</maven.compiler.target>
+	</properties>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>@project.groupId@</groupId>
+				<artifactId>@project.artifactId@</artifactId>
+				<version>@project.version@</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>process-aot</goal>
+						</goals>
+						<configuration>
+							<systemPropertyVariables>
+								<spring.profiles.active>abc</spring.profiles.active>
+							</systemPropertyVariables>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot</artifactId>
+			<version>@project.version@</version>
+		</dependency>
+		<dependency>
+			<groupId>jakarta.servlet</groupId>
+			<artifactId>jakarta.servlet-api</artifactId>
+			<version>@jakarta-servlet.version@</version>
+			<scope>provided</scope>
+		</dependency>
+	</dependencies>
+</project>

build-plugin/spring-boot-maven-plugin/src/intTest/projects/aot-system-properties/src/main/java/org/test/SampleApplication.java

@@ -14,24 +14,18 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.loader.jar;
+package org.test;
 
-/**
- * Utilities for dealing with bytes from ZIP files.
- *
- * @author Phillip Webb
- */
-final class Bytes {
+import org.springframework.boot.SpringApplication;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
 
-	private Bytes() {
-	}
+@Configuration(proxyBeanMethods = false)
+@Import(TestProfileConfiguration.class)
+public class SampleApplication {
 
-	static long littleEndianValue(byte[] bytes, int offset, int length) {
-		long value = 0;
-		for (int i = length - 1; i >= 0; i--) {
-			value = ((value << 8) | (bytes[offset + i] & 0xFF));
-		}
-		return value;
+	public static void main(String[] args) {
+		SpringApplication.run(SampleApplication.class, args);
 	}
 
 }

build-plugin/spring-boot-maven-plugin/src/intTest/projects/aot-system-properties/src/main/java/org/test/TestProfileConfiguration.java

@@ -14,18 +14,19 @@
  * limitations under the License.
  */
 
-package smoketest.jersey;
+package org.test;
 
-import org.glassfish.jersey.server.ResourceConfig;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
 
-import org.springframework.stereotype.Component;
+@Configuration(proxyBeanMethods = false)
+@Profile("abc")
+class TestProfileConfiguration {
 
-@Component
-public class JerseyConfig extends ResourceConfig {
-
-	public JerseyConfig() {
-		register(Endpoint.class);
-		register(ReverseEndpoint.class);
+	@Bean
+	public String abc() {
+		return "abc";
 	}
 
 }

build-plugin/spring-boot-maven-plugin/src/intTest/projects/aot-test-exclude-devtools/pom.xml

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>org.springframework.boot.maven.it</groupId>
+	<artifactId>aot-test-exclude-devtools</artifactId>
+	<version>0.0.1.BUILD-SNAPSHOT</version>
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<maven.compiler.source>@java.version@</maven.compiler.source>
+		<maven.compiler.target>@java.version@</maven.compiler.target>
+	</properties>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>@project.groupId@</groupId>
+				<artifactId>@project.artifactId@</artifactId>
+				<version>@project.version@</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>process-test-aot</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot</artifactId>
+			<version>@project.version@</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-devtools</artifactId>
+			<version>@project.version@</version>
+			<optional>true</optional>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-test</artifactId>
+			<version>@project.version@</version>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter</artifactId>
+			<version>@junit-jupiter.version@</version>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+</project>

build-plugin/spring-boot-maven-plugin/src/intTest/projects/aot-test-exclude-devtools/src/main/java/org/test/SampleApplication.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2012-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.test;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SampleApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SampleApplication.class, args);
+	}
+
+}

build-plugin/spring-boot-maven-plugin/src/intTest/projects/aot-test-exclude-devtools/src/test/java/org/test/SampleApplicationTests.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2012-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.test;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class SampleApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}

build-plugin/spring-boot-maven-plugin/src/intTest/projects/jar-optional-default/pom.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>org.springframework.boot.maven.it</groupId>
+	<artifactId>jar-optional-default</artifactId>
+	<version>0.0.1.BUILD-SNAPSHOT</version>
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<maven.compiler.source>@java.version@</maven.compiler.source>
+		<maven.compiler.target>@java.version@</maven.compiler.target>
+	</properties>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>@project.groupId@</groupId>
+				<artifactId>@project.artifactId@</artifactId>
+				<version>@project.version@</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>repackage</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jar-plugin</artifactId>
+				<version>@maven-jar-plugin.version@</version>
+			</plugin>
+		</plugins>
+	</build>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-context</artifactId>
+			<version>@spring-framework.version@</version>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.logging.log4j</groupId>
+			<artifactId>log4j-api</artifactId>
+			<version>@log4j2.version@</version>
+			<optional>true</optional>
+		</dependency>
+	</dependencies>
+</project>

build-plugin/spring-boot-maven-plugin/src/intTest/projects/jar-optional-exclude/pom.xml

@@ -3,7 +3,7 @@
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
-	<artifactId>jar-with-classic-loader</artifactId>
+	<artifactId>jar-optional-exclude</artifactId>
 	<version>0.0.1.BUILD-SNAPSHOT</version>
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -22,7 +22,7 @@
 							<goal>repackage</goal>
 						</goals>
 						<configuration>
-							<loaderImplementation>CLASSIC</loaderImplementation>
+							<includeOptional>false</includeOptional>
 						</configuration>
 					</execution>
 				</executions>
@@ -31,16 +31,6 @@
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-jar-plugin</artifactId>
 				<version>@maven-jar-plugin.version@</version>
-				<configuration>
-					<archive>
-						<manifest>
-							<mainClass>some.random.Main</mainClass>
-						</manifest>
-						<manifestEntries>
-							<Not-Used>Foo</Not-Used>
-						</manifestEntries>
-					</archive>
-				</configuration>
 			</plugin>
 		</plugins>
 	</build>
@@ -51,10 +41,10 @@
 			<version>@spring-framework.version@</version>
 		</dependency>
 		<dependency>
-			<groupId>jakarta.servlet</groupId>
-			<artifactId>jakarta.servlet-api</artifactId>
-			<version>@jakarta-servlet.version@</version>
-			<scope>provided</scope>
+			<groupId>org.apache.logging.log4j</groupId>
+			<artifactId>log4j-api</artifactId>
+			<version>@log4j2.version@</version>
+			<optional>true</optional>
 		</dependency>
 	</dependencies>
 </project>

build-plugin/spring-boot-maven-plugin/src/intTest/projects/jar-optional-exclude/src/main/java/org/test/SampleApplication.java

@@ -14,8 +14,11 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.docs.howto.jersey.springsecurity;
+package org.test;
 
-class Endpoint {
+public class SampleApplication {
+
+	public static void main(String[] args) {
+	}
 
 }

build-plugin/spring-boot-maven-plugin/src/intTest/projects/jar-optional-include/pom.xml

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>org.springframework.boot.maven.it</groupId>
+	<artifactId>jar-optional-include</artifactId>
+	<version>0.0.1.BUILD-SNAPSHOT</version>
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<maven.compiler.source>@java.version@</maven.compiler.source>
+		<maven.compiler.target>@java.version@</maven.compiler.target>
+	</properties>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>@project.groupId@</groupId>
+				<artifactId>@project.artifactId@</artifactId>
+				<version>@project.version@</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>repackage</goal>
+						</goals>
+						<configuration>
+							<includeOptional>true</includeOptional>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jar-plugin</artifactId>
+				<version>@maven-jar-plugin.version@</version>
+			</plugin>
+		</plugins>
+	</build>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-context</artifactId>
+			<version>@spring-framework.version@</version>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.logging.log4j</groupId>
+			<artifactId>log4j-api</artifactId>
+			<version>@log4j2.version@</version>
+			<optional>true</optional>
+		</dependency>
+	</dependencies>
+</project>

build-plugin/spring-boot-maven-plugin/src/intTest/projects/jar-optional-include/src/main/java/org/test/SampleApplication.java

@@ -14,8 +14,11 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.docs.howto.jersey.alongsideanotherwebframework;
+package org.test;
 
-class Endpoint {
+public class SampleApplication {
+
+	public static void main(String[] args) {
+	}
 
 }

build-plugin/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/AbstractPackagerMojo.java

@@ -47,7 +47,6 @@ import org.springframework.boot.loader.tools.Layouts.Jar;
 import org.springframework.boot.loader.tools.Layouts.None;
 import org.springframework.boot.loader.tools.Layouts.War;
 import org.springframework.boot.loader.tools.Libraries;
-import org.springframework.boot.loader.tools.LoaderImplementation;
 import org.springframework.boot.loader.tools.Packager;
 import org.springframework.boot.loader.tools.layer.CustomLayers;
 
@@ -114,6 +113,13 @@ public abstract class AbstractPackagerMojo extends AbstractDependencyFilterMojo
 	@Parameter(defaultValue = "false")
 	public boolean includeSystemScope;
 
+	/**
+	 * Include optional dependencies.
+	 * @since 3.5.7
+	 */
+	@Parameter(defaultValue = "false")
+	public boolean includeOptional;
+
 	/**
 	 * Include JAR tools.
 	 * @since 3.3.0
@@ -142,15 +148,6 @@ public abstract class AbstractPackagerMojo extends AbstractDependencyFilterMojo
 		return null;
 	}
 
-	/**
-	 * Return the loader implementation that should be used.
-	 * @return the loader implementation or {@code null}
-	 * @since 3.2.0
-	 */
-	protected @Nullable LoaderImplementation getLoaderImplementation() {
-		return null;
-	}
-
 	/**
 	 * Return the layout factory that will be used to determine the {@link LayoutType} if
 	 * no explicit layout is set.
@@ -168,7 +165,6 @@ public abstract class AbstractPackagerMojo extends AbstractDependencyFilterMojo
 	 */
 	protected <P extends Packager> P getConfiguredPackager(Supplier<P> supplier) {
 		P packager = supplier.get();
-		packager.setLoaderImplementation(getLoaderImplementation());
 		packager.setLayoutFactory(getLayoutFactory());
 		packager.addMainClassTimeoutWarningListener(new LoggingMainClassTimeoutWarningListener(this::getLog));
 		packager.setMainClass(this.mainClass);
@@ -231,6 +227,9 @@ public abstract class AbstractPackagerMojo extends AbstractDependencyFilterMojo
 		if (!this.includeSystemScope) {
 			filters.add(new ScopeFilter(null, Artifact.SCOPE_SYSTEM));
 		}
+		if (!this.includeOptional) {
+			filters.add(DependencyFilter.exclude(Artifact::isOptional));
+		}
 		return filters.toArray(new ArtifactsFilter[0]);
 	}
 

build-plugin/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/AbstractRunMojo.java

@@ -25,6 +25,7 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -39,6 +40,7 @@ import org.apache.maven.toolchain.ToolchainManager;
 import org.jspecify.annotations.Nullable;
 
 import org.springframework.boot.loader.tools.FileUtils;
+import org.springframework.util.StringUtils;
 
 /**
  * Base class to run a Spring Boot application.
@@ -310,17 +312,20 @@ public abstract class AbstractRunMojo extends AbstractDependencyFilterMojo {
 	 * @return a {@link RunArguments} defining the JVM arguments
 	 */
 	protected RunArguments resolveJvmArguments() {
-		StringBuilder stringBuilder = new StringBuilder();
+		List<@Nullable String> arguments = new ArrayList<>();
 		if (this.systemPropertyVariables != null) {
-			stringBuilder.append(this.systemPropertyVariables.entrySet()
-				.stream()
-				.map((e) -> SystemPropertyFormatter.format(e.getKey(), e.getValue()))
-				.collect(Collectors.joining(" ")));
+			for (Entry<String, String> systemProperty : this.systemPropertyVariables.entrySet()) {
+				String argument = SystemPropertyFormatter.format(systemProperty.getKey(), systemProperty.getValue());
+				if (StringUtils.hasText(argument)) {
+					arguments.add(argument);
+				}
+			}
 		}
 		if (this.jvmArguments != null) {
-			stringBuilder.append(" ").append(this.jvmArguments);
+			String[] jvmArguments = RunArguments.parseArgs(this.jvmArguments);
+			arguments.addAll(Arrays.asList(jvmArguments));
 		}
-		return new RunArguments(stringBuilder.toString());
+		return new RunArguments(arguments);
 	}
 
 	private void addJvmArgs(List<String> args) {
@@ -427,21 +432,4 @@ public abstract class AbstractRunMojo extends AbstractDependencyFilterMojo {
 		}
 	}
 
-	/**
-	 * Format System properties.
-	 */
-	static class SystemPropertyFormatter {
-
-		static String format(@Nullable String key, @Nullable String value) {
-			if (key == null) {
-				return "";
-			}
-			if (value == null || value.isEmpty()) {
-				return String.format("-D%s", key);
-			}
-			return String.format("-D%s=\"%s\"", key, value);
-		}
-
-	}
-
 }

build-plugin/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/BuildImageMojo.java

@@ -50,7 +50,7 @@ import org.springframework.boot.loader.tools.EntryWriter;
 import org.springframework.boot.loader.tools.ImagePackager;
 import org.springframework.boot.loader.tools.LayoutFactory;
 import org.springframework.boot.loader.tools.Libraries;
-import org.springframework.boot.loader.tools.LoaderImplementation;
+import org.springframework.util.Assert;
 import org.springframework.util.StringUtils;
 
 /**
@@ -207,13 +207,6 @@ public abstract class BuildImageMojo extends AbstractPackagerMojo {
 	@Parameter
 	private @Nullable LayoutType layout;
 
-	/**
-	 * The loader implementation that should be used.
-	 * @since 3.2.0
-	 */
-	@Parameter
-	private @Nullable LoaderImplementation loaderImplementation;
-
 	/**
 	 * The layout factory that will be used to create the executable archive if no
 	 * explicit layout is set. Alternative layouts implementations can be provided by 3rd
@@ -237,11 +230,6 @@ public abstract class BuildImageMojo extends AbstractPackagerMojo {
 		return this.layout;
 	}
 
-	@Override
-	protected @Nullable LoaderImplementation getLoaderImplementation() {
-		return this.loaderImplementation;
-	}
-
 	/**
 	 * Return the layout factory that will be used to determine the
 	 * {@link AbstractPackagerMojo.LayoutType} if no explicit layout is set.
@@ -454,11 +442,12 @@ public abstract class BuildImageMojo extends AbstractPackagerMojo {
 			}
 		}
 
-		private void write(ZipEntry jarEntry, EntryWriter entryWriter, TarArchiveOutputStream tar) {
+		private void write(ZipEntry jarEntry, @Nullable EntryWriter entryWriter, TarArchiveOutputStream tar) {
 			try {
 				TarArchiveEntry tarEntry = convert(jarEntry);
 				tar.putArchiveEntry(tarEntry);
 				if (tarEntry.isFile()) {
+					Assert.state(entryWriter != null, "'entryWriter' must not be null");
 					entryWriter.write(tar);
 				}
 				tar.closeArchiveEntry();

build-plugin/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/CommandLineBuilder.java

@@ -21,10 +21,13 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.Objects;
 
 import org.jspecify.annotations.Nullable;
 
+import org.springframework.util.StringUtils;
+
 /**
  * Helper class to build the command-line arguments of a java process.
  *
@@ -57,10 +60,12 @@ final class CommandLineBuilder {
 
 	CommandLineBuilder withSystemProperties(@Nullable Map<String, String> systemProperties) {
 		if (systemProperties != null) {
-			systemProperties.entrySet()
-				.stream()
-				.map((e) -> SystemPropertyFormatter.format(e.getKey(), e.getValue()))
-				.forEach(this.options::add);
+			for (Entry<String, String> systemProperty : systemProperties.entrySet()) {
+				String option = SystemPropertyFormatter.format(systemProperty.getKey(), systemProperty.getValue());
+				if (StringUtils.hasText(option)) {
+					this.options.add(option);
+				}
+			}
 		}
 		return this;
 	}
@@ -90,21 +95,4 @@ final class CommandLineBuilder {
 		return commandLine;
 	}
 
-	/**
-	 * Format System properties.
-	 */
-	private static final class SystemPropertyFormatter {
-
-		static String format(@Nullable String key, @Nullable String value) {
-			if (key == null) {
-				return "";
-			}
-			if (value == null || value.isEmpty()) {
-				return String.format("-D%s", key);
-			}
-			return String.format("-D%s=\"%s\"", key, value);
-		}
-
-	}
-
 }

build-plugin/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/DependencyFilter.java

@@ -16,9 +16,11 @@
 
 package org.springframework.boot.maven;
 
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import java.util.function.Predicate;
 
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.shared.artifact.filter.collection.AbstractArtifactsFilter;
@@ -81,4 +83,22 @@ public abstract class DependencyFilter extends AbstractArtifactsFilter {
 		return this.filters;
 	}
 
+	/**
+	 * Return a new {@link DependencyFilter} the excludes artifacts based on the given
+	 * predicate.
+	 * @param filter the predicate used to filter the artifacts.
+	 * @return a new {@link DependencyFilter} instance
+	 * @since 3.5.7
+	 */
+	public static DependencyFilter exclude(Predicate<Artifact> filter) {
+		return new DependencyFilter(Collections.emptyList()) {
+
+			@Override
+			protected boolean filter(Artifact artifact) {
+				return filter.test(artifact);
+			}
+
+		};
+	}
+
 }

build-plugin/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/JarTypeFilter.java

@@ -34,8 +34,8 @@ import org.apache.maven.artifact.Artifact;
  */
 class JarTypeFilter extends DependencyFilter {
 
-	private static final Set<String> EXCLUDED_JAR_TYPES = Collections
-		.unmodifiableSet(new HashSet<>(Arrays.asList("annotation-processor", "dependencies-starter")));
+	private static final Set<String> EXCLUDED_JAR_TYPES = Collections.unmodifiableSet(
+			new HashSet<>(Arrays.asList("annotation-processor", "dependencies-starter", "development-tool")));
 
 	JarTypeFilter() {
 		super(Collections.emptyList());

build-plugin/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/ProcessAotMojo.java

@@ -130,7 +130,7 @@ public class ProcessAotMojo extends AbstractAotMojo {
 
 	private URL[] getClassPath() throws Exception {
 		File[] directories = new File[] { this.classesDirectory, this.generatedClasses };
-		return getClassPath(directories, new ExcludeTestScopeArtifactFilter());
+		return getClassPath(directories, new ExcludeTestScopeArtifactFilter(), DEVTOOLS_EXCLUDE_FILTER);
 	}
 
 	private RunArguments resolveArguments() {

build-plugin/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/ProcessTestAotMojo.java

@@ -154,7 +154,7 @@ public class ProcessTestAotMojo extends AbstractAotMojo {
 	protected URL[] getClassPath(boolean includeJUnitPlatformLauncher) throws Exception {
 		File[] directories = new File[] { this.testClassesDirectory, this.generatedTestClasses, this.classesDirectory,
 				this.generatedClasses };
-		URL[] classPath = getClassPath(directories);
+		URL[] classPath = getClassPath(directories, DEVTOOLS_EXCLUDE_FILTER);
 		if (!includeJUnitPlatformLauncher || this.project.getArtifactMap()
 			.containsKey(JUNIT_PLATFORM_GROUP_ID + ":" + JUNIT_PLATFORM_LAUNCHER_ARTIFACT_ID)) {
 			return classPath;

build-plugin/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/PropertiesMergingResourceTransformer.java

@@ -27,6 +27,8 @@ import org.apache.maven.plugins.shade.relocation.Relocator;
 import org.apache.maven.plugins.shade.resource.ReproducibleResourceTransformer;
 import org.jspecify.annotations.Nullable;
 
+import org.springframework.util.Assert;
+
 /**
  * Extension for the <a href="https://maven.apache.org/plugins/maven-shade-plugin/">Maven
  * shade plugin</a> to allow properties files (e.g. {@literal META-INF/spring.factories})
@@ -88,6 +90,7 @@ public class PropertiesMergingResourceTransformer implements ReproducibleResourc
 
 	@Override
 	public void modifyOutputStream(JarOutputStream os) throws IOException {
+		Assert.state(this.resource != null, "'resource' must not be null");
 		JarEntry jarEntry = new JarEntry(this.resource);
 		jarEntry.setTime(this.time);
 		os.putNextEntry(jarEntry);

build-plugin/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/RepackageMojo.java

@@ -40,7 +40,6 @@ import org.springframework.boot.loader.tools.DefaultLaunchScript;
 import org.springframework.boot.loader.tools.LaunchScript;
 import org.springframework.boot.loader.tools.LayoutFactory;
 import org.springframework.boot.loader.tools.Libraries;
-import org.springframework.boot.loader.tools.LoaderImplementation;
 import org.springframework.boot.loader.tools.Repackager;
 import org.springframework.lang.Contract;
 import org.springframework.util.StringUtils;
@@ -170,13 +169,6 @@ public class RepackageMojo extends AbstractPackagerMojo {
 	@Parameter(property = "spring-boot.repackage.layout")
 	private @Nullable LayoutType layout;
 
-	/**
-	 * The loader implementation that should be used.
-	 * @since 3.2.0
-	 */
-	@Parameter
-	private @Nullable LoaderImplementation loaderImplementation;
-
 	/**
 	 * The layout factory that will be used to create the executable archive if no
 	 * explicit layout is set. Alternative layouts implementations can be provided by 3rd
@@ -201,11 +193,6 @@ public class RepackageMojo extends AbstractPackagerMojo {
 		return this.layout;
 	}
 
-	@Override
-	protected @Nullable LoaderImplementation getLoaderImplementation() {
-		return this.loaderImplementation;
-	}
-
 	/**
 	 * Return the layout factory that will be used to determine the
 	 * {@link AbstractPackagerMojo.LayoutType} if no explicit layout is set.

build-plugin/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/RunArguments.java

@@ -19,7 +19,6 @@ package org.springframework.boot.maven;
 import java.util.Arrays;
 import java.util.Deque;
 import java.util.LinkedList;
-import java.util.Objects;
 
 import org.codehaus.plexus.util.cli.CommandLineUtils;
 import org.jspecify.annotations.Nullable;
@@ -39,9 +38,18 @@ class RunArguments {
 		this(parseArgs(arguments));
 	}
 
-	RunArguments(String[] args) {
+	@SuppressWarnings("NullAway") // Maven can't handle nullable arrays
+	RunArguments(@Nullable String[] args) {
+		this((args != null) ? Arrays.asList(args) : null);
+	}
+
+	RunArguments(@Nullable Iterable<@Nullable String> args) {
 		if (args != null) {
-			Arrays.stream(args).filter(Objects::nonNull).forEach(this.args::add);
+			for (String arg : args) {
+				if (arg != null) {
+					this.args.add(arg);
+				}
+			}
 		}
 	}
 
@@ -53,7 +61,7 @@ class RunArguments {
 		return this.args.toArray(new String[0]);
 	}
 
-	private static String[] parseArgs(@Nullable String arguments) {
+	static String[] parseArgs(@Nullable String arguments) {
 		if (arguments == null || arguments.trim().isEmpty()) {
 			return NO_ARGS;
 		}

build-plugin/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/StartMojo.java

@@ -156,12 +156,12 @@ public class StartMojo extends AbstractRunMojo {
 		}
 	}
 
-	@SuppressWarnings("NullAway") // Lambda isn't detected with the correct nullability
 	private void doWaitForSpringApplication(MBeanServerConnection connection)
 			throws MojoExecutionException, MojoFailureException {
 		final SpringApplicationAdminClient client = new SpringApplicationAdminClient(connection, this.jmxName);
 		try {
-			execute(this.wait, this.maxAttempts, () -> (client.isReady() ? true : null));
+			Callable<@Nullable Boolean> isReady = () -> (client.isReady() ? true : null);
+			execute(this.wait, this.maxAttempts, isReady);
 		}
 		catch (ReflectionException ex) {
 			throw new MojoExecutionException("Unable to retrieve 'ready' attribute", ex.getCause());

build-plugin/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/SystemPropertyFormatter.java

@@ -14,21 +14,29 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.loader.launch;
+package org.springframework.boot.maven;
+
+import org.jspecify.annotations.Nullable;
 
 /**
- * Repackaged {@link org.springframework.boot.loader.PropertiesLauncher}.
+ * Format System properties.
  *
  * @author Phillip Webb
- * @since 3.2.0
+ * @author Stephane Nicoll
  */
-public final class PropertiesLauncher {
+final class SystemPropertyFormatter {
 
-	private PropertiesLauncher() {
+	private SystemPropertyFormatter() {
 	}
 
-	public static void main(String[] args) throws Exception {
-		org.springframework.boot.loader.PropertiesLauncher.main(args);
+	static String format(@Nullable String key, @Nullable String value) {
+		if (key == null) {
+			return "";
+		}
+		if (value == null || value.isEmpty()) {
+			return String.format("-D%s", key);
+		}
+		return String.format("-D%s=%s", key, value);
 	}
 
 }

build-plugin/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/CommandLineBuilderTests.java

@@ -76,7 +76,7 @@ class CommandLineBuilderTests {
 	@Test
 	void buildWithSystemProperty() {
 		assertThat(CommandLineBuilder.forMainClass(CLASS_NAME).withSystemProperties(Map.of("flag", "enabled")).build())
-			.containsExactly("-Dflag=\"enabled\"", CLASS_NAME);
+			.containsExactly("-Dflag=enabled", CLASS_NAME);
 	}
 
 	@Test

build-plugin/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/DependencyFilterTests.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2012-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.boot.maven;
+
+import java.util.Set;
+
+import org.apache.maven.artifact.Artifact;
+import org.apache.maven.artifact.DefaultArtifact;
+import org.apache.maven.artifact.handler.ArtifactHandler;
+import org.apache.maven.artifact.handler.DefaultArtifactHandler;
+import org.apache.maven.artifact.versioning.VersionRange;
+import org.apache.maven.shared.artifact.filter.collection.ArtifactFilterException;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link DependencyFilter}.
+ *
+ * @author Phillip Webb
+ */
+class DependencyFilterTests {
+
+	@Test
+	void excludeFiltersBasedOnPredicate() throws ArtifactFilterException {
+		DependencyFilter filter = DependencyFilter.exclude(Artifact::isOptional);
+		ArtifactHandler ah = new DefaultArtifactHandler();
+		VersionRange v = VersionRange.createFromVersion("1.0.0");
+		DefaultArtifact a1 = new DefaultArtifact("com.example", "a1", v, "compile", "jar", null, ah, false);
+		DefaultArtifact a2 = new DefaultArtifact("com.example", "a2", v, "compile", "jar", null, ah, true);
+		DefaultArtifact a3 = new DefaultArtifact("com.example", "a3", v, "compile", "jar", null, ah, false);
+		Set<Artifact> filtered = filter.filter(Set.of(a1, a2, a3));
+		assertThat(filtered).containsExactlyInAnyOrder(a1, a3);
+	}
+
+}

build-plugin/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/ImageTests.java

@@ -31,8 +31,8 @@ import org.springframework.boot.buildpack.platform.build.BuildRequest;
 import org.springframework.boot.buildpack.platform.build.BuildpackReference;
 import org.springframework.boot.buildpack.platform.build.Cache;
 import org.springframework.boot.buildpack.platform.build.PullPolicy;
+import org.springframework.boot.buildpack.platform.docker.ImagePlatform;
 import org.springframework.boot.buildpack.platform.docker.type.Binding;
-import org.springframework.boot.buildpack.platform.docker.type.ImagePlatform;
 import org.springframework.boot.buildpack.platform.docker.type.ImageReference;
 import org.springframework.boot.buildpack.platform.io.Owner;
 import org.springframework.boot.buildpack.platform.io.TarArchive;

build-plugin/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/JarTypeFilterTests.java

@@ -60,6 +60,11 @@ class JarTypeFilterTests {
 		assertThat(new JarTypeFilter().filter(createArtifact("annotation-processor"))).isTrue();
 	}
 
+	@Test
+	void whenArtifactHasDevelopmentToolJarTypeThenItIsExcluded() {
+		assertThat(new JarTypeFilter().filter(createArtifact("development-tool"))).isTrue();
+	}
+
 	@Test
 	void whenArtifactHasNoManifestFileThenItIsIncluded() {
 		assertThat(new JarTypeFilter().filter(createArtifactWithNoManifest())).isFalse();

build-plugin/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/SystemPropertyFormatterTests.java

@@ -18,12 +18,10 @@ package org.springframework.boot.maven;
 
 import org.junit.jupiter.api.Test;
 
-import org.springframework.boot.maven.AbstractRunMojo.SystemPropertyFormatter;
-
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
- * Tests for {@link AbstractRunMojo.SystemPropertyFormatter}.
+ * Tests for {@link SystemPropertyFormatter}.
  */
 class SystemPropertyFormatterTests {
 
@@ -39,7 +37,7 @@ class SystemPropertyFormatterTests {
 
 	@Test
 	void parseKeyWithValue() {
-		assertThat(SystemPropertyFormatter.format("key1", "value1")).isEqualTo("-Dkey1=\"value1\"");
+		assertThat(SystemPropertyFormatter.format("key1", "value1")).isEqualTo("-Dkey1=value1");
 	}
 
 	@Test
@@ -49,7 +47,7 @@ class SystemPropertyFormatterTests {
 
 	@Test
 	void parseKeyWithOnlySpaces() {
-		assertThat(SystemPropertyFormatter.format("key1", "   ")).isEqualTo("-Dkey1=\"   \"");
+		assertThat(SystemPropertyFormatter.format("key1", "   ")).isEqualTo("-Dkey1=   ");
 	}
 
 }

buildSrc/build.gradle

@@ -43,16 +43,16 @@ dependencies {
 	checkstyle("com.puppycrawl.tools:checkstyle:${checkstyle.toolVersion}")
 	checkstyle("io.spring.javaformat:spring-javaformat-checkstyle:${javaFormatVersion}")
 
-	implementation(platform("com.fasterxml.jackson:jackson-bom:${jacksonVersion}"))
+	implementation(platform("com.fasterxml.jackson:jackson-bom:${jackson2Version}"))
+	implementation(platform("tools.jackson:jackson-bom:${jacksonVersion}"))
 	implementation(platform("org.springframework:spring-framework-bom:${springFrameworkVersion}"))
-	implementation("com.fasterxml.jackson.core:jackson-databind")
 	implementation("com.github.node-gradle:gradle-node-plugin:3.5.1")
 	implementation("com.gradle:develocity-gradle-plugin:3.17.2")
 	implementation("com.tngtech.archunit:archunit:1.4.1")
 	implementation("commons-codec:commons-codec:${commonsCodecVersion}")
 	implementation("de.undercouch.download:de.undercouch.download.gradle.plugin:5.5.0")
 	implementation("dev.adamko.dokkatoo:dokkatoo-plugin:2.3.1")
-	implementation("io.gitlab.arturbosch.detekt:detekt-gradle-plugin:1.23.8")
+	implementation("dev.detekt:detekt-gradle-plugin:2.0.0-alpha.0")
 	implementation("io.spring.gradle.antora:spring-antora-plugin:0.0.1")
 	implementation("io.spring.javaformat:spring-javaformat-gradle-plugin:${javaFormatVersion}")
 	implementation("io.spring.nohttp:nohttp-gradle:0.0.11")
@@ -65,6 +65,7 @@ dependencies {
 	implementation("org.springframework:spring-web")
 	implementation("org.yaml:snakeyaml:${snakeYamlVersion}")
 	implementation("io.spring.gradle.nullability:nullability-plugin:${nullabilityPluginVersion}")
+	implementation("tools.jackson.core:jackson-databind")
 
 	testImplementation(platform("org.junit:junit-bom:${junitJupiterVersion}"))
 	testImplementation("org.assertj:assertj-core:${assertjVersion}")
@@ -132,10 +133,6 @@ gradlePlugin {
 			id = "org.springframework.boot.integration-test"
 			implementationClass = "org.springframework.boot.build.test.IntegrationTestPlugin"
 		}
-		systemTestPlugin {
-			id = "org.springframework.boot.system-test"
-			implementationClass = "org.springframework.boot.build.test.SystemTestPlugin"
-		}
 		mavenPluginPlugin {
 			id = "org.springframework.boot.maven-plugin"
 			implementationClass = "org.springframework.boot.build.mavenplugin.MavenPluginPlugin"
@@ -152,10 +149,22 @@ gradlePlugin {
 			id = "org.springframework.boot.starter"
 			implementationClass = "org.springframework.boot.build.starters.StarterPlugin"
 		}
+		systemTestPlugin {
+			id = "org.springframework.boot.system-test"
+			implementationClass = "org.springframework.boot.build.test.SystemTestPlugin"
+		}
+		testAutoConfigurationPlugin {
+			id = "org.springframework.boot.test-auto-configuration"
+			implementationClass = "org.springframework.boot.build.test.autoconfigure.TestAutoConfigurationPlugin"
+		}
 		testFailuresPlugin {
 			id = "org.springframework.boot.test-failures"
 			implementationClass = "org.springframework.boot.build.testing.TestFailuresPlugin"
 		}
+		testSlicePlugin {
+			id = "org.springframework.boot.test-slice"
+			implementationClass = "org.springframework.boot.build.test.autoconfigure.TestSlicePlugin"
+		}
 	}
 }
 

buildSrc/config/checkstyle/checkstyle.xml

@@ -6,4 +6,11 @@
 	<module name="io.spring.javaformat.checkstyle.SpringChecks">
 		<property name="excludes" value="com.puppycrawl.tools.checkstyle.checks.javadoc.JavadocPackageCheck" />
 	</module>
-</module>
+	<module name="com.puppycrawl.tools.checkstyle.TreeWalker">
+		<module name="com.puppycrawl.tools.checkstyle.checks.imports.IllegalImportCheck">
+			<property name="regexp" value="true" />
+			<property name="illegalPkgs"
+				value="^com\.fasterxml\.jackson(?!\.annotation).*" />
+		</module>
+	</module>
+</module>

buildSrc/src/main/java/org/springframework/boot/build/AntoraConventions.java

@@ -17,8 +17,6 @@
 package org.springframework.boot.build;
 
 import java.io.File;
-import java.io.IOException;
-import java.io.UncheckedIOException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -26,7 +24,6 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.github.gradle.node.NodeExtension;
 import com.github.gradle.node.npm.task.NpmInstallTask;
 import io.spring.gradle.antora.GenerateAntoraYmlPlugin;
@@ -44,6 +41,7 @@ import org.gradle.api.provider.Provider;
 import org.gradle.api.tasks.Copy;
 import org.gradle.api.tasks.TaskContainer;
 import org.gradle.api.tasks.TaskProvider;
+import tools.jackson.databind.ObjectMapper;
 
 import org.springframework.boot.build.antora.AntoraAsciidocAttributes;
 import org.springframework.boot.build.antora.GenerateAntoraPlaybook;
@@ -198,18 +196,13 @@ public class AntoraConventions {
 	}
 
 	private String getUiBundleUrl(Project project) {
-		try {
-			File packageJson = project.getRootProject().file("antora/package.json");
-			ObjectMapper objectMapper = new ObjectMapper();
-			Map<?, ?> json = objectMapper.readerFor(Map.class).readValue(packageJson);
-			Map<?, ?> config = (json != null) ? (Map<?, ?>) json.get("config") : null;
-			String url = (config != null) ? (String) config.get("ui-bundle-url") : null;
-			Assert.state(StringUtils.hasText(url.toString()), "package.json has not ui-bundle-url config");
-			return url;
-		}
-		catch (IOException ex) {
-			throw new UncheckedIOException(ex);
-		}
+		File packageJson = project.getRootProject().file("antora/package.json");
+		ObjectMapper objectMapper = new ObjectMapper();
+		Map<?, ?> json = objectMapper.readerFor(Map.class).readValue(packageJson);
+		Map<?, ?> config = (json != null) ? (Map<?, ?>) json.get("config") : null;
+		String url = (config != null) ? (String) config.get("ui-bundle-url") : null;
+		Assert.state(StringUtils.hasText(url.toString()), "package.json has not ui-bundle-url config");
+		return url;
 	}
 
 	private void configureNodeExtension(Project project, NodeExtension nodeExtension) {

buildSrc/src/main/java/org/springframework/boot/build/KotlinConventions.java

@@ -20,9 +20,9 @@ import java.net.URI;
 
 import dev.adamko.dokkatoo.DokkatooExtension;
 import dev.adamko.dokkatoo.formats.DokkatooHtmlPlugin;
-import io.gitlab.arturbosch.detekt.Detekt;
-import io.gitlab.arturbosch.detekt.DetektPlugin;
-import io.gitlab.arturbosch.detekt.extensions.DetektExtension;
+import dev.detekt.gradle.Detekt;
+import dev.detekt.gradle.extensions.DetektExtension;
+import dev.detekt.gradle.plugin.DetektPlugin;
 import org.gradle.api.Project;
 import org.gradle.api.tasks.SourceSet;
 import org.gradle.api.tasks.SourceSetContainer;
@@ -76,6 +76,7 @@ class KotlinConventions {
 
 	private void configureDokkatoo(Project project) {
 		DokkatooExtension dokkatoo = project.getExtensions().getByType(DokkatooExtension.class);
+		dokkatoo.getVersions().getJetbrainsDokka().set("2.1.0-Beta");
 		dokkatoo.getDokkatooSourceSets().configureEach((sourceSet) -> {
 			if (SourceSet.MAIN_SOURCE_SET_NAME.equals(sourceSet.getName())) {
 				sourceSet.getSourceRoots().setFrom(project.file("src/main/kotlin"));
@@ -103,7 +104,9 @@ class KotlinConventions {
 		project.getPlugins().apply(DetektPlugin.class);
 		DetektExtension detekt = project.getExtensions().getByType(DetektExtension.class);
 		detekt.getConfig().setFrom(project.getRootProject().file("config/detekt/config.yml"));
-		project.getTasks().withType(Detekt.class).configureEach((task) -> task.setJvmTarget(JVM_TARGET.getTarget()));
+		project.getTasks()
+			.withType(Detekt.class)
+			.configureEach((task) -> task.getJvmTarget().set(JVM_TARGET.getTarget()));
 	}
 
 }

buildSrc/src/main/java/org/springframework/boot/build/antora/AntoraAsciidocAttributes.java

@@ -162,10 +162,9 @@ public class AntoraAsciidocAttributes {
 		attributes.put("version-native-build-tools", (String) this.projectProperties.get("nativeBuildToolsVersion"));
 		attributes.put("version-graal", (String) this.projectProperties.get("graalVersion"));
 		addDependencyVersion(attributes, "jackson-annotations", "com.fasterxml.jackson.core:jackson-annotations");
-		addDependencyVersion(attributes, "jackson-core", "com.fasterxml.jackson.core:jackson-core");
-		addDependencyVersion(attributes, "jackson-databind", "com.fasterxml.jackson.core:jackson-databind");
-		addDependencyVersion(attributes, "jackson-dataformat-xml",
-				"com.fasterxml.jackson.dataformat:jackson-dataformat-xml");
+		addDependencyVersion(attributes, "jackson-core", "tools.jackson.core:jackson-core");
+		addDependencyVersion(attributes, "jackson-databind", "tools.jackson.core:jackson-databind");
+		addDependencyVersion(attributes, "jackson-dataformat-xml", "tools.jackson.dataformat:jackson-dataformat-xml");
 		addSpringDataDependencyVersion(attributes, internal, "spring-data-commons");
 		addSpringDataDependencyVersion(attributes, internal, "spring-data-couchbase");
 		addSpringDataDependencyVersion(attributes, internal, "spring-data-cassandra");

buildSrc/src/main/java/org/springframework/boot/build/architecture/ArchitectureRules.java

@@ -80,6 +80,13 @@ final class ArchitectureRules {
 
 	private static final String AUTOCONFIGURATION_ANNOTATION = "org.springframework.boot.autoconfigure.AutoConfiguration";
 
+	private static final String TEST_AUTOCONFIGURATION_ANNOTATION = "org.springframework.boot.test.autoconfigure.TestAutoConfiguration";
+
+	private static final Predicate<JavaPackage> NULL_MARKED_PACKAGE_FILTER = (candidate) -> !List
+		.of("org.springframework.boot.cli.json", "org.springframework.boot.configurationmetadata.json",
+				"org.springframework.boot.configurationprocessor.json")
+		.contains(candidate.getName());
+
 	private ArchitectureRules() {
 	}
 
@@ -112,6 +119,7 @@ final class ArchitectureRules {
 		rules.add(allConfigurationPropertiesBindingBeanMethodsShouldBeStatic());
 		rules.add(autoConfigurationClassesShouldBePublicAndFinal());
 		rules.add(autoConfigurationClassesShouldHaveNoPublicMembers());
+		rules.add(testAutoConfigurationClassesShouldBePackagePrivateAndFinal());
 		return List.copyOf(rules);
 	}
 
@@ -130,7 +138,12 @@ final class ArchitectureRules {
 	}
 
 	private static ArchRule allPackagesShouldBeFreeOfTangles() {
-		return SlicesRuleDefinition.slices().matching("(**)").should().beFreeOfCycles();
+		return SlicesRuleDefinition.slices()
+			.matching("(**)")
+			.should()
+			.beFreeOfCycles()
+			.ignoreDependency("org.springframework.boot.env.EnvironmentPostProcessor",
+					"org.springframework.boot.SpringApplication");
 	}
 
 	private static ArchRule allBeanPostProcessorBeanMethodsShouldBeStaticAndNotCausePrematureInitialization() {
@@ -250,7 +263,9 @@ final class ArchitectureRules {
 	}
 
 	static ArchRule packagesShouldBeAnnotatedWithNullMarked() {
-		return ArchRuleDefinition.all(packages()).should(beAnnotatedWithNullMarked()).allowEmptyShould(true);
+		return ArchRuleDefinition.all(packages(NULL_MARKED_PACKAGE_FILTER))
+			.should(beAnnotatedWithNullMarked())
+			.allowEmptyShould(true);
 	}
 
 	private static ArchCondition<? super JavaMethod> notSpecifyOnlyATypeThatIsTheSameAsTheMethodReturnType() {
@@ -353,8 +368,7 @@ final class ArchitectureRules {
 
 	private static ArchRule autoConfigurationClassesShouldBePublicAndFinal() {
 		return ArchRuleDefinition.classes()
-			.that()
-			.areAnnotatedWith(AUTOCONFIGURATION_ANNOTATION)
+			.that(areRegularAutoConfiguration())
 			.should()
 			.bePublic()
 			.andShould()
@@ -365,8 +379,7 @@ final class ArchitectureRules {
 	private static ArchRule autoConfigurationClassesShouldHaveNoPublicMembers() {
 		return ArchRuleDefinition.members()
 			.that()
-			.areDeclaredInClassesThat()
-			.areAnnotatedWith(AUTOCONFIGURATION_ANNOTATION)
+			.areDeclaredInClassesThat(areRegularAutoConfiguration())
 			.and(areNotDefaultConstructors())
 			.and(areNotConstants())
 			.and(dontOverridePublicMethods())
@@ -375,6 +388,24 @@ final class ArchitectureRules {
 			.allowEmptyShould(true);
 	}
 
+	private static ArchRule testAutoConfigurationClassesShouldBePackagePrivateAndFinal() {
+		return ArchRuleDefinition.classes()
+			.that()
+			.areAnnotatedWith(TEST_AUTOCONFIGURATION_ANNOTATION)
+			.should()
+			.bePackagePrivate()
+			.andShould()
+			.haveModifier(JavaModifier.FINAL)
+			.allowEmptyShould(true);
+	}
+
+	private static DescribedPredicate<JavaClass> areRegularAutoConfiguration() {
+		return DescribedPredicate.describe("Regular @AutoConfiguration",
+				(javaClass) -> javaClass.isMetaAnnotatedWith(AUTOCONFIGURATION_ANNOTATION)
+						&& !javaClass.isMetaAnnotatedWith(TEST_AUTOCONFIGURATION_ANNOTATION)
+						&& !javaClass.isAnnotation());
+	}
+
 	private static DescribedPredicate<? super JavaMember> dontOverridePublicMethods() {
 		OverridesPublicMethod<JavaMember> predicate = new OverridesPublicMethod<>();
 		return DescribedPredicate.describe("don't override public methods", (member) -> !predicate.test(member));
@@ -480,11 +511,11 @@ final class ArchitectureRules {
 		return string + " should be used instead";
 	}
 
-	static ClassesTransformer<JavaPackage> packages() {
+	static ClassesTransformer<JavaPackage> packages(Predicate<JavaPackage> filter) {
 		return new AbstractClassesTransformer<>("packages") {
 			@Override
 			public Iterable<JavaPackage> doTransform(JavaClasses collection) {
-				return collection.stream().map(JavaClass::getPackage).collect(Collectors.toSet());
+				return collection.stream().map(JavaClass::getPackage).filter(filter).collect(Collectors.toSet());
 			}
 		};
 	}

buildSrc/src/main/java/org/springframework/boot/build/autoconfigure/AutoConfigurationClass.java

@@ -19,6 +19,7 @@ package org.springframework.boot.build.autoconfigure;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.UncheckedIOException;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -54,8 +55,8 @@ public record AutoConfigurationClass(String name, List<String> before, List<Stri
 				attributes.getOrDefault("afterName", Collections.emptyList()));
 	}
 
-	static AutoConfigurationClass of(File classFile) {
-		try (FileInputStream input = new FileInputStream(classFile)) {
+	public static AutoConfigurationClass of(InputStream input) {
+		try {
 			ClassReader classReader = new ClassReader(input);
 			AutoConfigurationClassVisitor visitor = new AutoConfigurationClassVisitor();
 			classReader.accept(visitor, ClassReader.SKIP_DEBUG | ClassReader.SKIP_CODE | ClassReader.SKIP_FRAMES);
@@ -66,6 +67,15 @@ public record AutoConfigurationClass(String name, List<String> before, List<Stri
 		}
 	}
 
+	static AutoConfigurationClass of(File classFile) {
+		try (InputStream input = new FileInputStream(classFile)) {
+			return of(input);
+		}
+		catch (IOException ex) {
+			throw new UncheckedIOException(ex);
+		}
+	}
+
 	private static final class AutoConfigurationClassVisitor extends ClassVisitor {
 
 		private AutoConfigurationClass autoConfigurationClass;

buildSrc/src/main/java/org/springframework/boot/build/autoconfigure/AutoConfigurationImportsTask.java

@@ -38,7 +38,10 @@ import org.gradle.api.tasks.SkipWhenEmpty;
  */
 public abstract class AutoConfigurationImportsTask extends DefaultTask {
 
-	static final String IMPORTS_FILE = "META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports";
+	/**
+	 * The path of the {@code AutoConfiguration.imports} file.
+	 */
+	public static final String IMPORTS_FILE = "META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports";
 
 	private FileCollection sourceFiles = getProject().getObjects().fileCollection();
 

buildSrc/src/main/java/org/springframework/boot/build/autoconfigure/CheckAutoConfigurationClasses.java

@@ -136,15 +136,17 @@ public abstract class CheckAutoConfigurationClasses extends AutoConfigurationImp
 	private List<File> classFiles() {
 		List<File> classFiles = new ArrayList<>();
 		for (File root : this.classpath.getFiles()) {
-			try (Stream<Path> files = Files.walk(root.toPath())) {
-				files.forEach((file) -> {
-					if (Files.isRegularFile(file) && file.getFileName().toString().endsWith(".class")) {
-						classFiles.add(file.toFile());
-					}
-				});
-			}
-			catch (IOException ex) {
-				throw new UncheckedIOException(ex);
+			if (root.exists()) {
+				try (Stream<Path> files = Files.walk(root.toPath())) {
+					files.forEach((file) -> {
+						if (Files.isRegularFile(file) && file.getFileName().toString().endsWith(".class")) {
+							classFiles.add(file.toFile());
+						}
+					});
+				}
+				catch (IOException ex) {
+					throw new UncheckedIOException(ex);
+				}
 			}
 		}
 		return classFiles;

buildSrc/src/main/java/org/springframework/boot/build/autoconfigure/DocumentAutoConfigurationClasses.java

@@ -40,6 +40,7 @@ import org.gradle.api.tasks.PathSensitive;
 import org.gradle.api.tasks.PathSensitivity;
 import org.gradle.api.tasks.TaskAction;
 
+import org.springframework.util.FileSystemUtils;
 import org.springframework.util.StringUtils;
 
 /**
@@ -66,6 +67,7 @@ public abstract class DocumentAutoConfigurationClasses extends DefaultTask {
 
 	@TaskAction
 	void documentAutoConfigurationClasses() throws IOException {
+		FileSystemUtils.deleteRecursively(getOutputDir().getAsFile().get());
 		List<AutoConfiguration> autoConfigurations = load();
 		autoConfigurations.forEach(this::writeModuleAdoc);
 		for (File metadataFile : this.autoConfiguration) {

buildSrc/src/main/java/org/springframework/boot/build/bom/ResolvedBom.java

@@ -25,10 +25,8 @@ import java.net.URI;
 import java.util.List;
 
 import com.fasterxml.jackson.annotation.JsonInclude.Include;
-import com.fasterxml.jackson.annotation.JsonSetter;
-import com.fasterxml.jackson.annotation.Nulls;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.SerializationFeature;
+import tools.jackson.databind.ObjectMapper;
+import tools.jackson.databind.json.JsonMapper;
 
 /**
  * A resolved bom.
@@ -42,10 +40,9 @@ public record ResolvedBom(Id id, List<ResolvedLibrary> libraries) {
 	private static final ObjectMapper objectMapper;
 
 	static {
-		ObjectMapper mapper = new ObjectMapper().enable(SerializationFeature.INDENT_OUTPUT)
-			.setDefaultPropertyInclusion(Include.NON_EMPTY);
-		mapper.configOverride(List.class).setSetterInfo(JsonSetter.Value.forValueNulls(Nulls.AS_EMPTY));
-		objectMapper = mapper;
+		objectMapper = JsonMapper.builder()
+			.changeDefaultPropertyInclusion((value) -> value.withContentInclusion(Include.NON_EMPTY))
+			.build();
 	}
 
 	public static ResolvedBom readFrom(File file) {
@@ -58,12 +55,7 @@ public record ResolvedBom(Id id, List<ResolvedLibrary> libraries) {
 	}
 
 	public void writeTo(Writer writer) {
-		try {
-			objectMapper.writeValue(writer, this);
-		}
-		catch (IOException ex) {
-			throw new UncheckedIOException(ex);
-		}
+		objectMapper.writeValue(writer, this);
 	}
 
 	public record ResolvedLibrary(String name, String version, String versionProperty, List<Id> managedDependencies,

buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/UpgradeBom.java

@@ -16,6 +16,8 @@
 
 package org.springframework.boot.build.bom.bomr;
 
+import java.util.List;
+
 import javax.inject.Inject;
 
 import org.gradle.api.Task;
@@ -24,6 +26,7 @@ import org.gradle.api.artifacts.dsl.RepositoryHandler;
 import org.gradle.api.artifacts.repositories.MavenArtifactRepository;
 
 import org.springframework.boot.build.bom.BomExtension;
+import org.springframework.boot.build.bom.Library;
 import org.springframework.boot.build.properties.BuildProperties;
 
 /**
@@ -63,4 +66,25 @@ public abstract class UpgradeBom extends UpgradeDependencies {
 		return issueTitle(upgrade) + "\n\nCloses gh-" + issueNumber;
 	}
 
+	@Override
+	protected void upgradesApplied(List<Upgrade> upgrades) {
+		if (upgrades.isEmpty()) {
+			return;
+		}
+		System.out.println();
+		System.out.println("Upgrade release notes:");
+		System.out.println();
+		for (Upgrade upgrade : upgrades) {
+			Library library = upgrade.toRelease();
+			String releaseNotes = library.getLinkUrl("releaseNotes");
+			if (releaseNotes != null) {
+				System.out.println("* " + releaseNotes + "[" + library.getNameAndVersion() + "]");
+			}
+			else {
+				System.out.println("* " + library.getNameAndVersion());
+			}
+		}
+		System.out.println();
+	}
+
 }

buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/UpgradeDependencies.java

@@ -102,6 +102,12 @@ public abstract class UpgradeDependencies extends DefaultTask {
 	@Option(option = "libraries", description = "Regular expression that identifies the libraries to upgrade")
 	public abstract Property<String> getLibraries();
 
+	@Input
+	@Optional
+	@Option(option = "dry-run-upgrades",
+			description = "Whether to perform a dry run that doesn't open issues or change the bom")
+	public abstract Property<Boolean> getDryRun();
+
 	@Input
 	abstract ListProperty<String> getRepositoryNames();
 
@@ -112,7 +118,14 @@ public abstract class UpgradeDependencies extends DefaultTask {
 		List<String> issueLabels = verifyLabels(repository);
 		Milestone milestone = determineMilestone(repository);
 		List<Upgrade> upgrades = resolveUpgrades(milestone);
-		applyUpgrades(repository, issueLabels, milestone, upgrades);
+		if (!getDryRun().getOrElse(false)) {
+			applyUpgrades(repository, issueLabels, milestone, upgrades);
+		}
+		upgradesApplied(upgrades);
+	}
+
+	protected void upgradesApplied(List<Upgrade> upgrades) {
+
 	}
 
 	private void applyUpgrades(GitHubRepository repository, List<String> issueLabels, Milestone milestone,

buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/github/StandardGitHub.java

@@ -19,10 +19,8 @@ package org.springframework.boot.build.bom.bomr.github;
 import java.util.Base64;
 import java.util.Collections;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
-
 import org.springframework.http.MediaType;
-import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.http.converter.json.JacksonJsonHttpMessageConverter;
 import org.springframework.web.client.RestTemplate;
 import org.springframework.web.util.DefaultUriBuilderFactory;
 import org.springframework.web.util.UriTemplateHandler;
@@ -60,9 +58,9 @@ final class StandardGitHub implements GitHub {
 		return new StandardGitHubRepository(restTemplate);
 	}
 
-	@SuppressWarnings("removal")
+	@SuppressWarnings({ "deprecation", "removal" })
 	private RestTemplate createRestTemplate() {
-		return new RestTemplate(Collections.singletonList(new MappingJackson2HttpMessageConverter(new ObjectMapper())));
+		return new RestTemplate(Collections.singletonList(new JacksonJsonHttpMessageConverter()));
 	}
 
 }

buildSrc/src/main/java/org/springframework/boot/build/context/properties/CheckAdditionalSpringConfigurationMetadata.java

@@ -28,9 +28,6 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
-import com.fasterxml.jackson.core.JsonParseException;
-import com.fasterxml.jackson.databind.JsonMappingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import org.gradle.api.file.FileTree;
 import org.gradle.api.file.RegularFileProperty;
 import org.gradle.api.tasks.InputFiles;
@@ -40,6 +37,7 @@ import org.gradle.api.tasks.PathSensitivity;
 import org.gradle.api.tasks.SourceTask;
 import org.gradle.api.tasks.TaskAction;
 import org.gradle.api.tasks.VerificationException;
+import tools.jackson.databind.ObjectMapper;
 
 /**
  * {@link SourceTask} that checks additional Spring configuration metadata files.
@@ -65,7 +63,7 @@ public abstract class CheckAdditionalSpringConfigurationMetadata extends SourceT
 	}
 
 	@TaskAction
-	void check() throws JsonParseException, IOException {
+	void check() throws IOException {
 		Report report = createReport();
 		File reportFile = getReportLocation().get().getAsFile();
 		Files.write(reportFile.toPath(), report, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING);
@@ -76,7 +74,7 @@ public abstract class CheckAdditionalSpringConfigurationMetadata extends SourceT
 	}
 
 	@SuppressWarnings("unchecked")
-	private Report createReport() throws IOException, JsonParseException, JsonMappingException {
+	private Report createReport() {
 		ObjectMapper objectMapper = new ObjectMapper();
 		Report report = new Report();
 		for (File file : getSource().getFiles()) {

buildSrc/src/main/java/org/springframework/boot/build/context/properties/CheckSpringConfigurationMetadata.java

@@ -26,9 +26,6 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
-import com.fasterxml.jackson.core.JsonParseException;
-import com.fasterxml.jackson.databind.JsonMappingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import org.gradle.api.DefaultTask;
 import org.gradle.api.file.RegularFileProperty;
 import org.gradle.api.provider.ListProperty;
@@ -40,6 +37,7 @@ import org.gradle.api.tasks.PathSensitivity;
 import org.gradle.api.tasks.SourceTask;
 import org.gradle.api.tasks.TaskAction;
 import org.gradle.api.tasks.VerificationException;
+import tools.jackson.databind.ObjectMapper;
 
 /**
  * {@link SourceTask} that checks {@code spring-configuration-metadata.json} files.
@@ -65,7 +63,7 @@ public abstract class CheckSpringConfigurationMetadata extends DefaultTask {
 	public abstract ListProperty<String> getExclusions();
 
 	@TaskAction
-	void check() throws JsonParseException, IOException {
+	void check() throws IOException {
 		Report report = createReport();
 		File reportFile = getReportLocation().get().getAsFile();
 		Files.write(reportFile.toPath(), report, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING);
@@ -76,7 +74,7 @@ public abstract class CheckSpringConfigurationMetadata extends DefaultTask {
 	}
 
 	@SuppressWarnings("unchecked")
-	private Report createReport() throws IOException, JsonParseException, JsonMappingException {
+	private Report createReport() {
 		ObjectMapper objectMapper = new ObjectMapper();
 		File file = getMetadataLocation().get().getAsFile();
 		Report report = new Report(this.projectRoot.relativize(file.toPath()));

buildSrc/src/main/java/org/springframework/boot/build/context/properties/ConfigurationProperties.java

@@ -17,7 +17,6 @@
 package org.springframework.boot.build.context.properties;
 
 import java.io.File;
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.LinkedHashMap;
@@ -25,7 +24,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.stream.Stream;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
+import tools.jackson.databind.ObjectMapper;
 
 /**
  * Configuration properties read from one or more
@@ -56,20 +55,15 @@ final class ConfigurationProperties {
 
 	@SuppressWarnings("unchecked")
 	static ConfigurationProperties fromFiles(Iterable<File> files) {
-		try {
-			ObjectMapper objectMapper = new ObjectMapper();
-			List<ConfigurationProperty> properties = new ArrayList<>();
-			for (File file : files) {
-				Map<String, Object> json = objectMapper.readValue(file, Map.class);
-				for (Map<String, Object> property : (List<Map<String, Object>>) json.get("properties")) {
-					properties.add(ConfigurationProperty.fromJsonProperties(property));
-				}
+		ObjectMapper objectMapper = new ObjectMapper();
+		List<ConfigurationProperty> properties = new ArrayList<>();
+		for (File file : files) {
+			Map<String, Object> json = objectMapper.readValue(file, Map.class);
+			for (Map<String, Object> property : (List<Map<String, Object>>) json.get("properties")) {
+				properties.add(ConfigurationProperty.fromJsonProperties(property));
 			}
-			return new ConfigurationProperties(properties);
-		}
-		catch (IOException ex) {
-			throw new RuntimeException("Failed to load configuration metadata", ex);
 		}
+		return new ConfigurationProperties(properties);
 	}
 
 }

buildSrc/src/main/java/org/springframework/boot/build/context/properties/ConfigurationPropertiesPlugin.java

@@ -65,7 +65,7 @@ public class ConfigurationPropertiesPlugin implements Plugin<Project> {
 	public static final String CHECK_ADDITIONAL_SPRING_CONFIGURATION_METADATA_TASK_NAME = "checkAdditionalSpringConfigurationMetadata";
 
 	/**
-	 * Name of the {@link CheckAdditionalSpringConfigurationMetadata} task.
+	 * Name of the {@link CheckSpringConfigurationMetadata} task.
 	 */
 	public static final String CHECK_SPRING_CONFIGURATION_METADATA_TASK_NAME = "checkSpringConfigurationMetadata";
 

buildSrc/src/main/java/org/springframework/boot/build/context/properties/DocumentConfigurationProperties.java

@@ -118,6 +118,7 @@ public abstract class DocumentConfigurationProperties extends DefaultTask {
 	private void jsonPrefixes(Config config) {
 		config.accept("spring.jackson");
 		config.accept("spring.gson");
+		config.accept("spring.kotlin.serialization");
 	}
 
 	private void dataPrefixes(Config config) {
@@ -129,7 +130,7 @@ public abstract class DocumentConfigurationProperties extends DefaultTask {
 		config.accept("spring.ldap");
 		config.accept("spring.mongodb");
 		config.accept("spring.neo4j");
-		config.accept("spring.dao");
+		config.accept("spring.persistence");
 		config.accept("spring.data");
 		config.accept("spring.datasource");
 		config.accept("spring.jooq");

buildSrc/src/main/java/org/springframework/boot/build/optional/OptionalDependenciesPlugin.java

@@ -41,7 +41,7 @@ public class OptionalDependenciesPlugin implements Plugin<Project> {
 	@Override
 	public void apply(Project project) {
 		Configuration optional = project.getConfigurations().create("optional");
-		optional.setCanBeConsumed(false);
+		optional.setCanBeConsumed(true);
 		optional.setCanBeResolved(false);
 		project.getPlugins().withType(JavaPlugin.class, (javaPlugin) -> {
 			SourceSetContainer sourceSets = project.getExtensions()