diff --git a/.rubocop_todo/gitlab/strong_memoize_attr.yml b/.rubocop_todo/gitlab/strong_memoize_attr.yml
index 6ac586e52cb..ed97e112b5f 100644
--- a/.rubocop_todo/gitlab/strong_memoize_attr.yml
+++ b/.rubocop_todo/gitlab/strong_memoize_attr.yml
@@ -378,7 +378,6 @@ Gitlab/StrongMemoizeAttr:
     - 'ee/lib/gitlab/code_owners/entry.rb'
     - 'ee/lib/gitlab/code_owners/loader.rb'
     - 'ee/lib/gitlab/custom_file_templates.rb'
-    - 'ee/lib/gitlab/elastic/document_reference.rb'
     - 'ee/lib/gitlab/elastic/indexer.rb'
     - 'ee/lib/gitlab/elastic/project_search_results.rb'
     - 'ee/lib/gitlab/expiring_subscription_message.rb'
diff --git a/.rubocop_todo/layout/line_length.yml b/.rubocop_todo/layout/line_length.yml
index 0247e114aca..bd6600e325e 100644
--- a/.rubocop_todo/layout/line_length.yml
+++ b/.rubocop_todo/layout/line_length.yml
@@ -940,7 +940,6 @@ Layout/LineLength:
     - 'ee/lib/ee/sidebars/projects/menus/security_compliance_menu.rb'
     - 'ee/lib/elastic/latest/custom_language_analyzers.rb'
     - 'ee/lib/elastic/latest/git_instance_proxy.rb'
-    - 'ee/lib/elastic/latest/issue_instance_proxy.rb'
     - 'ee/lib/elastic/latest/note_class_proxy.rb'
     - 'ee/lib/elastic/latest/repository_class_proxy.rb'
     - 'ee/lib/elastic/latest/repository_instance_proxy.rb'
@@ -1434,7 +1433,6 @@ Layout/LineLength:
     - 'ee/spec/models/concerns/ee/noteable_spec.rb'
     - 'ee/spec/models/concerns/ee/project_security_scanners_information_spec.rb'
     - 'ee/spec/models/concerns/elastic/application_versioned_search_spec.rb'
-    - 'ee/spec/models/concerns/elastic/issue_spec.rb'
     - 'ee/spec/models/concerns/elastic/merge_request_spec.rb'
     - 'ee/spec/models/concerns/elastic/note_spec.rb'
     - 'ee/spec/models/concerns/elastic/repository_spec.rb'
diff --git a/.rubocop_todo/lint/redundant_cop_disable_directive.yml b/.rubocop_todo/lint/redundant_cop_disable_directive.yml
index 40759c45ebc..dddd82cc01e 100644
--- a/.rubocop_todo/lint/redundant_cop_disable_directive.yml
+++ b/.rubocop_todo/lint/redundant_cop_disable_directive.yml
@@ -5,7 +5,6 @@ Lint/RedundantCopDisableDirective:
   # Temporarily disabled due to too many offenses
   Enabled: false
   Exclude:
-    - 'app/controllers/concerns/enforces_two_factor_authentication.rb'
     - 'app/controllers/groups/milestones_controller.rb'
     - 'app/models/concerns/integrations/base/integration.rb'
     - 'app/models/work_items/type.rb'
@@ -13,15 +12,12 @@ Lint/RedundantCopDisableDirective:
     - 'app/services/ci/runners/set_runner_associated_projects_service.rb'
     - 'app/services/work_items/data_sync/clone_service.rb'
     - 'app/services/work_items/data_sync/move_service.rb'
-    - 'app/workers/authorized_project_update/user_refresh_over_user_range_worker.rb'
-    - 'config/initializers/warden.rb'
     - 'db/migrate/20241021082113_create_partitioned_ci_runners.rb'
     - 'db/migrate/20241024204816_create_partitioned_ci_runner_managers.rb'
     - 'db/post_migrate/20241021163518_drop_user_canonical_emails_table.rb'
     - 'ee/app/controllers/ee/projects/settings/ci_cd_controller.rb'
     - 'ee/app/models/ee/audit_events/project_audit_event.rb'
     - 'ee/app/services/search/zoekt/routing_service.rb'
-    - 'ee/app/services/security/token_revocation_service.rb'
     - 'ee/app/services/vulnerabilities/statistics/adjustment_service.rb'
     - 'ee/db/geo/migrate/20210504143244_add_verification_to_merge_request_diff_registry.rb'
     - 'ee/spec/features/groups/settings/domain_verification_spec.rb'
@@ -33,9 +29,6 @@ Lint/RedundantCopDisableDirective:
     - 'ee/spec/support/shared_examples/features/dashboard_saml_reauth_banner_shared_examples.rb'
     - 'ee/spec/views/admin/users/show.html.haml_spec.rb'
     - 'lib/api/submodules.rb'
-    - 'lib/gitlab/auth/current_user_mode.rb'
-    - 'lib/gitlab/cleanup/personal_access_tokens.rb'
-    - 'lib/gitlab/lfs_token.rb'
     - 'lib/gitlab/popen/runner.rb'
     - 'qa/qa/resource/user_runners.rb'
     - 'qa/qa/service/docker_run/gitlab_runner.rb'
diff --git a/.rubocop_todo/lint/unused_method_argument.yml b/.rubocop_todo/lint/unused_method_argument.yml
index 0a6a0ed3381..98302efec4d 100644
--- a/.rubocop_todo/lint/unused_method_argument.yml
+++ b/.rubocop_todo/lint/unused_method_argument.yml
@@ -246,7 +246,6 @@ Lint/UnusedMethodArgument:
     - 'ee/lib/ee/gitlab/auth/ldap/sync/proxy.rb'
     - 'ee/lib/ee/gitlab/geo_git_access.rb'
     - 'ee/lib/elastic/as_json.rb'
-    - 'ee/lib/elastic/latest/issue_instance_proxy.rb'
     - 'ee/lib/elastic/latest/milestone_instance_proxy.rb'
     - 'ee/lib/elastic/latest/note_class_proxy.rb'
     - 'ee/lib/elastic/latest/note_instance_proxy.rb'
diff --git a/.rubocop_todo/style/redundant_self.yml b/.rubocop_todo/style/redundant_self.yml
index 34c6f5812be..97ed6716fcf 100644
--- a/.rubocop_todo/style/redundant_self.yml
+++ b/.rubocop_todo/style/redundant_self.yml
@@ -207,7 +207,6 @@ Style/RedundantSelf:
     - 'ee/lib/gitlab/auth/smartcard.rb'
     - 'ee/lib/gitlab/ci/reports/license_scanning/report.rb'
     - 'ee/lib/gitlab/elastic/client.rb'
-    - 'ee/lib/gitlab/elastic/document_reference.rb'
     - 'ee/lib/gitlab/elastic/helper.rb'
     - 'ee/lib/gitlab/geo.rb'
     - 'ee/lib/gitlab/geo/oauth/login_state.rb'
diff --git a/GITALY_SERVER_VERSION b/GITALY_SERVER_VERSION
index 4cfad176261..0be3888df42 100644
--- a/GITALY_SERVER_VERSION
+++ b/GITALY_SERVER_VERSION
@@ -1 +1 @@
-85bae8b147813e5a2e79f1a96ab0c30dee8ad6a1
+48b28c1cc502cdcafb209491ce21b84c42358c03
diff --git a/app/assets/javascripts/authentication/two_factor_auth/components/recovery_codes.vue b/app/assets/javascripts/authentication/two_factor_auth/components/recovery_codes.vue
index fddb1377bf9..affa200392e 100644
--- a/app/assets/javascripts/authentication/two_factor_auth/components/recovery_codes.vue
+++ b/app/assets/javascripts/authentication/two_factor_auth/components/recovery_codes.vue
@@ -4,6 +4,7 @@ import { Mousetrap, MOUSETRAP_COPY_KEYBOARD_SHORTCUT } from '~/lib/mousetrap';
 import { __ } from '~/locale';
 import Tracking from '~/tracking';
 import ClipboardButton from '~/vue_shared/components/clipboard_button.vue';
+import PageHeading from '~/vue_shared/components/page_heading.vue';
 import {
   COPY_BUTTON_ACTION,
   DOWNLOAD_BUTTON_ACTION,
@@ -33,7 +34,7 @@ export default {
   recoveryCodeDownloadFilename: RECOVERY_CODE_DOWNLOAD_FILENAME,
   i18n,
   mousetrap: null,
-  components: { GlSprintf, GlButton, GlAlert, ClipboardButton, GlCard },
+  components: { GlSprintf, GlButton, GlAlert, ClipboardButton, GlCard, PageHeading },
   mixins: [Tracking.mixin()],
   props: {
     codes: {
@@ -100,20 +101,19 @@ export default {
 
 <template>
   <div>
-    <h1 class="page-title gl-text-size-h-display">
-      {{ $options.i18n.pageTitle }}
-    </h1>
-    <hr />
+    <page-heading :heading="$options.i18n.pageTitle">
+      <template #description>
+        <gl-sprintf :message="$options.i18n.pageDescription">
+          <template #bold="{ content }"
+            ><strong>{{ content }}</strong></template
+          >
+        </gl-sprintf>
+      </template>
+    </page-heading>
+
     <gl-alert variant="info" :dismissible="false">
       {{ $options.i18n.alertTitle }}
     </gl-alert>
-    <p class="gl-mt-5">
-      <gl-sprintf :message="$options.i18n.pageDescription">
-        <template #bold="{ content }"
-          ><strong>{{ content }}</strong></template
-        >
-      </gl-sprintf>
-    </p>
 
     <gl-card class="codes-to-print gl-my-5" data-testid="recovery-codes">
       <ul class="gl-m-0 gl-pl-5">
diff --git a/app/assets/javascripts/authentication/webauthn/components/registration.vue b/app/assets/javascripts/authentication/webauthn/components/registration.vue
index 97a433f7385..ccd3095726b 100644
--- a/app/assets/javascripts/authentication/webauthn/components/registration.vue
+++ b/app/assets/javascripts/authentication/webauthn/components/registration.vue
@@ -18,7 +18,6 @@ import {
   I18N_DEVICE_NAME_PLACEHOLDER,
   I18N_ERROR_HTTP,
   I18N_ERROR_UNSUPPORTED_BROWSER,
-  I18N_INFO_TEXT,
   I18N_NOTICE,
   I18N_PASSWORD,
   I18N_PASSWORD_DESCRIPTION,
@@ -61,7 +60,6 @@ export default {
   I18N_DEVICE_NAME_PLACEHOLDER,
   I18N_ERROR_HTTP,
   I18N_ERROR_UNSUPPORTED_BROWSER,
-  I18N_INFO_TEXT,
   I18N_NOTICE,
   I18N_PASSWORD,
   I18N_PASSWORD_DESCRIPTION,
@@ -132,22 +130,13 @@ export default {
 </script>
 
 <template>
-  <div>
+  <div class="gl-mb-5">
     <template v-if="isCurrentState($options.STATE_UNSUPPORTED)">
       <gl-alert variant="danger" :dismissible="false">{{ errorMessage }}</gl-alert>
     </template>
 
     <template v-else-if="isCurrentState($options.STATE_READY)">
-      <div class="row">
-        <div class="col-md-5 gl-mb-5">
-          <gl-button variant="confirm" @click="onRegister">{{
-            $options.I18N_BUTTON_SETUP
-          }}</gl-button>
-        </div>
-        <div class="col-md-7">
-          <p>{{ $options.I18N_INFO_TEXT }}</p>
-        </div>
-      </div>
+      <gl-button variant="confirm" @click="onRegister">{{ $options.I18N_BUTTON_SETUP }}</gl-button>
     </template>
 
     <template v-else-if="isCurrentState($options.STATE_WAITING)">
@@ -169,53 +158,50 @@ export default {
         </gl-sprintf>
       </gl-alert>
 
-      <div class="row">
-        <gl-form method="post" :action="targetPath" class="col-md-9" data-testid="create-webauthn">
-          <gl-form-group
-            v-if="passwordRequired"
-            :description="$options.I18N_PASSWORD_DESCRIPTION"
-            :label="$options.I18N_PASSWORD"
-            label-for="webauthn-registration-current-password"
-          >
-            <gl-form-input
-              id="webauthn-registration-current-password"
-              v-model="form.password"
-              name="current_password"
-              type="password"
-              autocomplete="current-password"
-              data-testid="current-password-input"
-            />
-          </gl-form-group>
+      <gl-form method="post" :action="targetPath" data-testid="create-webauthn">
+        <gl-form-group
+          v-if="passwordRequired"
+          :description="$options.I18N_PASSWORD_DESCRIPTION"
+          :label="$options.I18N_PASSWORD"
+          label-for="webauthn-registration-current-password"
+        >
+          <gl-form-input
+            id="webauthn-registration-current-password"
+            v-model="form.password"
+            name="current_password"
+            type="password"
+            autocomplete="current-password"
+            data-testid="current-password-input"
+          />
+        </gl-form-group>
 
-          <gl-form-group
-            :description="$options.I18N_DEVICE_NAME_DESCRIPTION"
-            :label="$options.I18N_DEVICE_NAME"
-            label-for="device-name"
-          >
-            <gl-form-input
-              id="device-name"
-              v-model="form.deviceName"
-              name="device_registration[name]"
-              :placeholder="$options.I18N_DEVICE_NAME_PLACEHOLDER"
-              data-testid="device-name-input"
-            />
-          </gl-form-group>
+        <gl-form-group
+          :description="$options.I18N_DEVICE_NAME_DESCRIPTION"
+          :label="$options.I18N_DEVICE_NAME"
+          label-for="device-name"
+        >
+          <gl-form-input
+            id="device-name"
+            v-model="form.deviceName"
+            name="device_registration[name]"
+            :placeholder="$options.I18N_DEVICE_NAME_PLACEHOLDER"
+            data-testid="device-name-input"
+          />
+        </gl-form-group>
 
-          <input type="hidden" name="device_registration[device_response]" :value="credentials" />
-          <input :value="csrfToken" type="hidden" name="authenticity_token" />
+        <input type="hidden" name="device_registration[device_response]" :value="credentials" />
+        <input :value="csrfToken" type="hidden" name="authenticity_token" />
 
-          <gl-button type="submit" :disabled="disabled" variant="confirm">{{
-            $options.I18N_BUTTON_REGISTER
-          }}</gl-button>
-        </gl-form>
-      </div>
+        <gl-button type="submit" :disabled="disabled" variant="confirm">{{
+          $options.I18N_BUTTON_REGISTER
+        }}</gl-button>
+      </gl-form>
     </template>
 
     <template v-else-if="isCurrentState($options.STATE_ERROR)">
       <gl-alert
         variant="danger"
         :dismissible="false"
-        class="gl-mb-5"
         :secondary-button-text="$options.I18N_BUTTON_TRY_AGAIN"
         @secondaryAction="onRegister"
       >
diff --git a/app/assets/javascripts/authentication/webauthn/constants.js b/app/assets/javascripts/authentication/webauthn/constants.js
index c41e6d2bd58..7ca16e22f0c 100644
--- a/app/assets/javascripts/authentication/webauthn/constants.js
+++ b/app/assets/javascripts/authentication/webauthn/constants.js
@@ -15,9 +15,6 @@ export const I18N_ERROR_HTTP = __(
 export const I18N_ERROR_UNSUPPORTED_BROWSER = __(
   "Your browser doesn't support WebAuthn. Please use a supported browser, e.g. Chrome (67+) or Firefox (60+).",
 );
-export const I18N_INFO_TEXT = __(
-  'Your device needs to be set up. Plug it in (if needed) and click the button on the left.',
-);
 export const I18N_NOTICE = __(
   'You must save your recovery codes after you first register a two-factor authenticator, so you do not lose access to your account. %{linkStart}See the documentation on managing your WebAuthn device for more information.%{linkEnd}',
 );
diff --git a/app/assets/javascripts/lib/mermaid.js b/app/assets/javascripts/lib/mermaid.js
index 5e62a023777..3efbdeedcd2 100644
--- a/app/assets/javascripts/lib/mermaid.js
+++ b/app/assets/javascripts/lib/mermaid.js
@@ -51,6 +51,10 @@ const initMermaid = () => {
     },
     secure: ['secure', 'securityLevel', 'startOnLoad', 'maxTextSize', 'htmlLabels'],
     securityLevel: 'strict',
+    dompurifyConfig: {
+      ADD_TAGS: ['foreignObject'],
+      HTML_INTEGRATION_POINTS: { foreignobject: true },
+    },
   });
 };
 
diff --git a/app/assets/javascripts/pages/projects/blob/show/index.js b/app/assets/javascripts/pages/projects/blob/show/index.js
index 1fdc0e86318..8c271885779 100644
--- a/app/assets/javascripts/pages/projects/blob/show/index.js
+++ b/app/assets/javascripts/pages/projects/blob/show/index.js
@@ -1,13 +1,11 @@
 import Vue from 'vue';
 // eslint-disable-next-line no-restricted-imports
 import Vuex from 'vuex';
-import { GlButton } from '@gitlab/ui';
 import VueApollo from 'vue-apollo';
 import VueRouter from 'vue-router';
 import { provideWebIdeLink } from 'ee_else_ce/pages/projects/shared/web_ide_link/provide_web_ide_link';
 import TableOfContents from '~/blob/components/table_contents.vue';
 import { BlobViewer, initAuxiliaryViewer } from '~/blob/viewer/index';
-import { __ } from '~/locale';
 import GpgBadges from '~/gpg_badges';
 import createDefaultClient from '~/lib/graphql';
 import initBlob from '~/pages/projects/init_blob';
@@ -18,7 +16,6 @@ import BlobContentViewer from '~/repository/components/blob_content_viewer.vue';
 import '~/sourcegraph/load';
 import createStore from '~/code_navigation/store';
 import { generateRefDestinationPath } from '~/repository/utils/ref_switcher_utils';
-import { generateHistoryUrl } from '~/repository/utils/url_utility';
 import RefSelector from '~/ref/components/ref_selector.vue';
 import { joinPaths, visitUrl } from '~/lib/utils/url_utility';
 import { parseBoolean } from '~/lib/utils/common_utils';
@@ -208,30 +205,3 @@ if (tableContentsEl) {
     },
   });
 }
-
-const treeHistoryLinkEl = document.getElementById('js-commit-history-link');
-if (treeHistoryLinkEl) {
-  const { historyLink } = treeHistoryLinkEl.dataset;
-  // eslint-disable-next-line no-new
-  new Vue({
-    el: treeHistoryLinkEl,
-    router,
-    render(h) {
-      const url = generateHistoryUrl(
-        historyLink,
-        this.$route.params.path,
-        this.$route.meta.refType || this.$route.query.ref_type,
-      );
-      return h(
-        GlButton,
-        {
-          attrs: {
-            href: url.href,
-            category: 'tertiary',
-          },
-        },
-        [__('History')],
-      );
-    },
-  });
-}
diff --git a/app/assets/javascripts/repository/components/header_area.vue b/app/assets/javascripts/repository/components/header_area.vue
index adb53b911b7..b301b9a7f92 100644
--- a/app/assets/javascripts/repository/components/header_area.vue
+++ b/app/assets/javascripts/repository/components/header_area.vue
@@ -8,6 +8,7 @@ import { sanitize } from '~/lib/dompurify';
 import { InternalEvents } from '~/tracking';
 import { FIND_FILE_BUTTON_CLICK } from '~/tracking/constants';
 import { visitUrl, joinPaths } from '~/lib/utils/url_utility';
+import { generateHistoryUrl } from '~/repository/utils/url_utility';
 import { generateRefDestinationPath } from '~/repository/utils/ref_switcher_utils';
 import RefSelector from '~/ref/components/ref_selector.vue';
 import Breadcrumbs from '~/repository/components/header_area/breadcrumbs.vue';
@@ -18,6 +19,7 @@ export default {
   i18n: {
     compare: __('Compare'),
     findFile: __('Find file'),
+    history: __('History'),
   },
   components: {
     GlButton,
@@ -61,6 +63,10 @@ export default {
       required: false,
       default: null,
     },
+    historyLink: {
+      type: String,
+      required: true,
+    },
     projectId: {
       type: String,
       required: true,
@@ -70,6 +76,15 @@ export default {
     isTreeView() {
       return this.$route.name !== 'blobPathDecoded';
     },
+    historyPath() {
+      const url = generateHistoryUrl(
+        this.historyLink,
+        this.$route.params.path,
+        this.$route.meta.refType || this.$route.query.ref_type,
+      );
+
+      return url.href;
+    },
     getRefType() {
       return this.$route.query.ref_type;
     },
@@ -151,6 +166,9 @@ export default {
         class="shortcuts-compare"
         >{{ $options.i18n.compare }}</gl-button
       >
+      <gl-button v-if="!isReadmeView" :href="historyPath" data-testid="tree-history-control">{{
+        $options.i18n.history
+      }}</gl-button>
       <gl-button
         v-gl-tooltip.html="findFileTooltip"
         :aria-keyshortcuts="findFileShortcutKey"
diff --git a/app/assets/javascripts/repository/components/header_area/blob_controls.vue b/app/assets/javascripts/repository/components/header_area/blob_controls.vue
index 2202faf7b84..2c5c163f7a8 100644
--- a/app/assets/javascripts/repository/components/header_area/blob_controls.vue
+++ b/app/assets/javascripts/repository/components/header_area/blob_controls.vue
@@ -177,12 +177,7 @@ export default {
       {{ $options.i18n.blame }}
     </gl-button>
 
-    <gl-button
-      data-testid="history"
-      :href="blobInfo.historyPath"
-      :class="$options.buttonClassList"
-      class="gl-block sm:gl-hidden"
-    >
+    <gl-button data-testid="history" :href="blobInfo.historyPath" :class="$options.buttonClassList">
       {{ $options.i18n.history }}
     </gl-button>
 
diff --git a/app/assets/javascripts/repository/components/last_commit.vue b/app/assets/javascripts/repository/components/last_commit.vue
index 7afda86185f..8dfb1d8bb22 100644
--- a/app/assets/javascripts/repository/components/last_commit.vue
+++ b/app/assets/javascripts/repository/components/last_commit.vue
@@ -67,11 +67,6 @@ export default {
       required: false,
       default: null,
     },
-    historyUrl: {
-      type: String,
-      required: false,
-      default: '',
-    },
   },
   data() {
     return {
@@ -113,18 +108,17 @@ export default {
 
 <template>
   <gl-loading-icon v-if="isLoading" size="md" color="dark" class="m-auto gl-min-h-8 gl-py-6" />
-
   <commit-info v-else-if="commit" :commit="commit">
-    <div class="commit-actions gl-flex gl-items-start">
+    <div class="commit-actions gl-flex-align gl-flex gl-flex-row gl-items-center">
       <signature-badge v-if="commit.signature" :signature="commit.signature" />
-      <div v-if="commit.pipeline" class="gl-ml-5 gl-flex gl-h-7 gl-items-center">
+      <div v-if="commit.pipeline" class="gl-ml-5">
         <ci-icon
           :status="commit.pipeline.detailedStatus"
           :aria-label="statusTitle"
           class="js-commit-pipeline"
         />
       </div>
-      <gl-button-group class="js-commit-sha-group gl-ml-4 gl-flex gl-items-center">
+      <gl-button-group class="js-commit-sha-group gl-ml-4">
         <gl-button label class="gl-font-monospace" data-testid="last-commit-id-label">{{
           showCommitId
         }}</gl-button>
@@ -134,14 +128,6 @@ export default {
           class="input-group-text"
         />
       </gl-button-group>
-      <gl-button
-        category="tertiary"
-        data-testid="last-commit-history"
-        :href="historyUrl"
-        class="gl-ml-4"
-      >
-        {{ __('History') }}
-      </gl-button>
     </div>
   </commit-info>
 </template>
diff --git a/app/assets/javascripts/repository/index.js b/app/assets/javascripts/repository/index.js
index adbcdf33596..93b63ac9ac8 100644
--- a/app/assets/javascripts/repository/index.js
+++ b/app/assets/javascripts/repository/index.js
@@ -116,24 +116,16 @@ export default function setupVueRepositoryList() {
     });
   };
 
-  const lastCommitEl = document.getElementById('js-last-commit');
-
   const initLastCommitApp = () =>
     new Vue({
-      el: lastCommitEl,
+      el: document.getElementById('js-last-commit'),
       router,
       apolloProvider,
       render(h) {
-        const historyUrl = generateHistoryUrl(
-          lastCommitEl.dataset.historyLink,
-          this.$route.params.path,
-          this.$route.meta.refType || this.$route.query.ref_type,
-        );
         return h(LastCommit, {
           props: {
             currentPath: this.$route.params.path,
             refType: this.$route.meta.refType || this.$route.query.ref_type,
-            historyUrl: historyUrl.href,
           },
         });
       },
diff --git a/app/assets/javascripts/repository/init_header_app.js b/app/assets/javascripts/repository/init_header_app.js
index d0329286f35..a2d932582c8 100644
--- a/app/assets/javascripts/repository/init_header_app.js
+++ b/app/assets/javascripts/repository/init_header_app.js
@@ -8,6 +8,7 @@ export default function initHeaderApp(isReadmeView = false) {
   const headerEl = document.getElementById('js-repository-blob-header-app');
   if (headerEl) {
     const {
+      historyLink,
       ref,
       escapedRef,
       refType,
@@ -57,6 +58,7 @@ export default function initHeaderApp(isReadmeView = false) {
           props: {
             refType,
             currentRef: ref,
+            historyLink,
             // BlobControls:
             projectPath,
             // RefSelector:
diff --git a/app/assets/javascripts/token_access/components/token_access_app.vue b/app/assets/javascripts/token_access/components/token_access_app.vue
index 2b7a1c2d4f8..ea544c8bbdd 100644
--- a/app/assets/javascripts/token_access/components/token_access_app.vue
+++ b/app/assets/javascripts/token_access/components/token_access_app.vue
@@ -1,4 +1,5 @@
 <script>
+import { GlIntersectionObserver } from '@gitlab/ui';
 import glFeatureFlagsMixin from '~/vue_shared/mixins/gl_feature_flags_mixin';
 import TokenPermissions from './token_permissions.vue';
 import OutboundTokenAccess from './outbound_token_access.vue';
@@ -6,21 +7,33 @@ import InboundTokenAccess from './inbound_token_access.vue';
 import AuthLog from './auth_log.vue';
 
 export default {
-  name: 'TokenAccessApp',
   components: {
+    GlIntersectionObserver,
     AuthLog,
     InboundTokenAccess,
     OutboundTokenAccess,
     TokenPermissions,
   },
   mixins: [glFeatureFlagsMixin()],
+  data() {
+    return {
+      isVisible: false,
+    };
+  },
+  methods: {
+    updateVisible({ isIntersecting }) {
+      this.isVisible = isIntersecting;
+    },
+  },
 };
 </script>
 <template>
-  <div>
-    <token-permissions v-if="glFeatures.allowPushRepositoryForJobToken" />
-    <inbound-token-access />
-    <auth-log />
-    <outbound-token-access />
-  </div>
+  <gl-intersection-observer @update="updateVisible">
+    <template v-if="isVisible">
+      <token-permissions v-if="glFeatures.allowPushRepositoryForJobToken" />
+      <inbound-token-access />
+      <auth-log />
+      <outbound-token-access />
+    </template>
+  </gl-intersection-observer>
 </template>
diff --git a/app/assets/stylesheets/pages/commits.scss b/app/assets/stylesheets/pages/commits.scss
index 6f342d17dbc..6500b40bf84 100644
--- a/app/assets/stylesheets/pages/commits.scss
+++ b/app/assets/stylesheets/pages/commits.scss
@@ -43,7 +43,6 @@
 .commit-content {
   padding-right: 10px;
   white-space: normal;
-  min-width: 0;
 
   .commit-title {
     display: flex;
diff --git a/app/controllers/concerns/enforces_two_factor_authentication.rb b/app/controllers/concerns/enforces_two_factor_authentication.rb
index a1bdd6eebb0..361513d7021 100644
--- a/app/controllers/concerns/enforces_two_factor_authentication.rb
+++ b/app/controllers/concerns/enforces_two_factor_authentication.rb
@@ -73,7 +73,7 @@ module EnforcesTwoFactorAuthentication
   end
 
   def two_factor_verifier
-    @two_factor_verifier ||= Gitlab::Auth::TwoFactorAuthVerifier.new(current_user, request) # rubocop:disable Gitlab/ModuleWithInstanceVariables
+    @two_factor_verifier ||= Gitlab::Auth::TwoFactorAuthVerifier.new(current_user, request)
   end
 
   def mfa_help_page_url
diff --git a/app/models/integrations/emails_on_push.rb b/app/models/integrations/emails_on_push.rb
index 77be8f5db45..a6f53b65311 100644
--- a/app/models/integrations/emails_on_push.rb
+++ b/app/models/integrations/emails_on_push.rb
@@ -12,6 +12,7 @@ module Integrations
     field :send_from_committer_email,
       type: :checkbox,
       title: -> { s_("EmailsOnPushService|Send from committer") },
+      description: -> { s_("EmailsOnPushService|Send from committer") },
       help: -> do
         @help ||= begin
           domains = Notify.allowed_email_domains.map { |domain| "user@#{domain}" }.join(", ")
@@ -23,15 +24,18 @@ module Integrations
     field :disable_diffs,
       type: :checkbox,
       title: -> { s_("EmailsOnPushService|Disable code diffs") },
-      help: -> { s_("EmailsOnPushService|Don't include possibly sensitive code diffs in notification body.") }
+      help: -> { s_("EmailsOnPushService|Don't include possibly sensitive code diffs in notification body.") },
+      description: -> { s_("EmailsOnPushService|Disable code diffs") }
 
     field :branches_to_be_notified,
       type: :select,
       title: -> { s_('Integrations|Branches for which notifications are to be sent') },
+      description: -> { _('Branches to send notifications for. Valid options are `all`, `default`, `protected`, and `default_and_protected`. The default value is `default`.') },
       choices: branch_choices
 
     field :recipients,
       type: :textarea,
+      required: true,
       placeholder: -> { s_('EmailsOnPushService|tanuki@example.com gitlab@example.com') },
       help: -> { s_('EmailsOnPushService|Emails separated by whitespace.') }
 
diff --git a/app/models/sent_notification.rb b/app/models/sent_notification.rb
index 2cdb013e256..43db987af43 100644
--- a/app/models/sent_notification.rb
+++ b/app/models/sent_notification.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class SentNotification < ApplicationRecord
+  include EachBatch
+
   belongs_to :project
   belongs_to :noteable, polymorphic: true # rubocop:disable Cop/PolymorphicAssociations
   belongs_to :recipient, class_name: "User"
diff --git a/app/models/subscription.rb b/app/models/subscription.rb
index 5aab5be3d0a..08d1d59d1b2 100644
--- a/app/models/subscription.rb
+++ b/app/models/subscription.rb
@@ -2,6 +2,7 @@
 
 class Subscription < ApplicationRecord
   include FromUnion
+  include EachBatch
 
   belongs_to :user
   belongs_to :project
diff --git a/app/services/work_items/data_sync/base_service.rb b/app/services/work_items/data_sync/base_service.rb
index 44e491f1fb8..09ec8822690 100644
--- a/app/services/work_items/data_sync/base_service.rb
+++ b/app/services/work_items/data_sync/base_service.rb
@@ -8,7 +8,7 @@ module WorkItems
       attr_reader :work_item, :service_response, :target_namespace
 
       # work_item - original work item
-      # target_namespace - ProjectNamespace(not Project) or Group
+      # target_namespace - ProjectNamespace, Group or Project
       # current_user - user performing the move/clone action
       def initialize(work_item:, target_namespace:, current_user: nil, params: {})
         @work_item = work_item
@@ -22,11 +22,7 @@ module WorkItems
 
         return verification_response if verification_response.error?
 
-        ::ApplicationRecord.transaction do
-          @service_response = data_sync_action
-        end
-
-        service_response
+        data_sync_action
       end
 
       private
diff --git a/app/services/work_items/data_sync/widgets/notifications.rb b/app/services/work_items/data_sync/widgets/notifications.rb
index 1946da20e40..4aa806dde8a 100644
--- a/app/services/work_items/data_sync/widgets/notifications.rb
+++ b/app/services/work_items/data_sync/widgets/notifications.rb
@@ -5,11 +5,64 @@ module WorkItems
     module Widgets
       class Notifications < Base
         def after_save_commit
-          # copy Notifications
+          return unless params[:operation] == :move
+          return unless target_work_item.get_widget(:notifications)
+
+          work_item.subscriptions.each_batch(of: BATCH_SIZE) do |subscriptions_batch|
+            ::Subscription.insert_all(new_work_item_subscriptions(subscriptions_batch))
+          end
+
+          # This replicates current move Issues::MoveService behaviour. This should be changed though to
+          # move sent_notifications for any work_item that is being moved.
+          return unless work_item.from_service_desk?
+
+          # When moving sent notifications for any work item this can entail updating many records in some instances.
+          # We should consider moving this to an async worker rather than have it run in a single request.
+          work_item.sent_notifications.each_batch(of: BATCH_SIZE) do |sent_notifications_batch|
+            # SentNotification does not have a sharding key yet.
+            #
+            # However when it has one it would potentially break
+            # the immutability of the sharding key, because we need to update the record in place to keep the same
+            # reply_key, which is a unique key.
+            #
+            # The alternative implies to create a new unique key and a mapping between the two keys, which requires
+            # adding a new table or array column to keep the old keys, i.e. move development effort.
+            ::SentNotification.upsert_all(
+              new_work_item_sent_notifications(sent_notifications_batch), unique_by: :reply_key
+            )
+          end
         end
 
         def post_move_cleanup
-          # do it
+          work_item.subscriptions.each_batch(of: BATCH_SIZE) do |subscriptions_batch|
+            subscriptions_batch.delete_all
+          end
+
+          # When moving sent notifications for any work item this can entail deleting many records in some instances.
+          # We should consider moving this to an async worker rather than have it run in a single request.
+          work_item.sent_notifications.each_batch(of: BATCH_SIZE) do |sent_notifications_batch|
+            sent_notifications_batch.delete_all
+          end
+        end
+
+        private
+
+        def new_work_item_subscriptions(subscriptions_batch)
+          subscriptions_batch.map do |subscription|
+            subscription.attributes.except("id").tap do |ep|
+              ep["subscribable_id"] = target_work_item.id
+              ep["project_id"] = target_work_item.project_id
+            end
+          end
+        end
+
+        def new_work_item_sent_notifications(sent_notifications_batch)
+          sent_notifications_batch.map do |sent_notification|
+            sent_notification.attributes.except("id").tap do |ep|
+              ep["noteable_id"] = target_work_item.id
+              ep["project_id"] = target_work_item.project_id
+            end
+          end
         end
       end
     end
diff --git a/app/views/profiles/two_factor_auths/show.html.haml b/app/views/profiles/two_factor_auths/show.html.haml
index a12719a67b8..750cbe83151 100644
--- a/app/views/profiles/two_factor_auths/show.html.haml
+++ b/app/views/profiles/two_factor_auths/show.html.haml
@@ -1,8 +1,11 @@
-- breadcrumb_title _('Two-Factor Authentication')
-- page_title _('Two-Factor Authentication'), _('Account')
+- title = _('Two-Factor Authentication')
+- breadcrumb_title title
+- page_title title, _('Account')
 - add_to_breadcrumbs _('Account'), profile_account_path
 - troubleshooting_link = link_to _('Try the troubleshooting steps here.'), help_page_path('user/profile/account/two_factor_authentication_troubleshooting.md'), target: '_blank', rel: 'noopener noreferrer'
 
+= render ::Layouts::PageHeadingComponent.new(title, options: { class: 'gl-mb-3' })
+
 - if @error
   = render Pajamas::AlertComponent.new(title: @error[:message],
     variant: :danger,
@@ -10,24 +13,23 @@
     dismissible: false) do |c|
     - c.with_body do
       = troubleshooting_link
-.row.gl-mt-3
-  .col-lg-4
-    %h4.gl-mt-0
-      = _('Register a one-time password authenticator')
-    %p
-      = _('Use a one-time password authenticator on your mobile device or computer to enable two-factor authentication (2FA).')
-  .col-lg-8
+
+= render ::Layouts::SettingsSectionComponent.new(_('Register a one-time password authenticator')) do |c|
+  - c.with_description do
+    = _('Use a one-time password authenticator on your mobile device or computer to enable two-factor authentication (2FA).')
+    - if current_user.two_factor_otp_enabled?
+      = _("You've already enabled two-factor authentication using a one-time password authenticator. In order to register a different device, you must first delete this authenticator.")
+    - else
+      - register_2fa_token = _('We recommend using cloud-based authenticator applications that can restore access if you lose your hardware device.')
+      = register_2fa_token.html_safe
+      = link_to _('What are some examples?'), help_page_path('user/profile/account/two_factor_authentication.md', anchor: 'enable-a-one-time-password-authenticator'), target: '_blank', rel: 'noopener noreferrer'
+  - c.with_body do
     - if current_user.two_factor_otp_enabled?
-      %p
-        = _("You've already enabled two-factor authentication using a one-time password authenticator. In order to register a different device, you must first delete this authenticator.")
       .gl-inline-block.gl-w-full.sm:gl-w-auto
         .js-two-factor-action-confirm{ data: delete_otp_authenticator_data(current_password_required?) }
+
     - else
-      %p
-        - register_2fa_token = _('We recommend using cloud-based authenticator applications that can restore access if you lose your hardware device.')
-        = register_2fa_token.html_safe
-        = link_to _('What are some examples?'), help_page_path('user/profile/account/two_factor_authentication.md', anchor: 'enable-a-one-time-password-authenticator'), target: '_blank', rel: 'noopener noreferrer'
-      .gl-p-2.gl-mb-3{ style: 'background: #fff' }
+      .gl-inline-block.gl-p-3.gl-pb-2.gl-mb-5{ style: 'background: #fff' }
         = raw @qr_code
       .gl-mb-5
         = render Pajamas::CardComponent.new do |c|
@@ -36,9 +38,9 @@
               = _("Can't scan the code?")
             %p.gl-mt-0.gl-mb-3
               = _("To add the entry manually, provide the following details to the application on your phone.")
-            %p.gl-mt-0.gl-mb-0
+            %p.gl-my-0
               = _('Account: %{account}') % { account: @account_string }
-            %p.gl-mt-0.gl-mb-0{ data: { testid: 'otp-secret-content' } }
+            %p.gl-my-0{ data: { testid: 'otp-secret-content' } }
               = _('Key:')
               %code.two-factor-secret= current_user.otp_secret.scan(/.{4}/).join(' ')
             %p.gl-mb-0.two-factor-new-manual-content
@@ -63,58 +65,55 @@
         .gl-mt-3
           = render Pajamas::ButtonComponent.new(type: :submit, variant: :confirm, button_options: { data: { testid: 'register-2fa-app-button' } }) do
             = _('Register with two-factor app')
-%hr
-.row.gl-mt-3
-  .col-lg-4
-    %h4.gl-mt-0
-      = _('Register a WebAuthn device')
-    %p
-      = _('Set up a hardware device to enable two-factor authentication (2FA).')
-    %p
-      = _("Not all browsers support WebAuthn. You must save your recovery codes after you first register a two-factor authenticator to be able to sign in, even from an unsupported browser.")
-  .col-lg-8
+
+= render ::Layouts::SettingsSectionComponent.new(_('Register a WebAuthn device')) do |c|
+  - c.with_description do
+    = _('Set up a hardware device to enable two-factor authentication (2FA).')
+    = _("Not all browsers support WebAuthn. You must save your recovery codes after you first register a two-factor authenticator to be able to sign in, even from an unsupported browser.")
+  - c.with_body do
     - if @webauthn_registration.errors.present?
       = form_errors(@webauthn_registration)
+
     #js-device-registration{ data: device_registration_data(current_password_required: current_password_required?, target_path: create_webauthn_profile_two_factor_auth_path, webauthn_error: @webauthn_error) }
-    %hr
-    %h5
-      = _('WebAuthn Devices (%{length})') % { length: @registrations.length }
-    - if @registrations.present?
-      .table-responsive
-        %table.table
-          %colgroup
-            %col{ width: "50%" }
-            %col{ width: "30%" }
-            %col{ width: "20%" }
-          %thead
-            %tr
-              %th= _('Name')
-              %th= s_('2FADevice|Registered On')
-              %th
-          %tbody
-            - @registrations.each do |registration|
-              %tr
-                %td
-                  - if registration[:name].present?
-                    = registration[:name]
-                  - else
-                    %span.gl-text-gray-500
-                      = _("no name set")
-                %td= registration[:created_at].to_date.to_fs(:medium)
-                %td
-                  .gl-float-right
-                    .js-two-factor-action-confirm{ data: delete_webauthn_device_data(current_password_required?, registration[:delete_path]) }
-    - else
-      .settings-message.text-center
-        = _("You don't have any WebAuthn devices registered yet.")
-%hr
-.row.gl-mt-3
-  .col-lg-4
-    %h4.gl-mt-0
-      = _('Disable two-factor authentication')
-    %p
-      = _('Use this section to disable your one-time password authenticator and WebAuthn devices. You can also generate new recovery codes.')
-  .col-lg-8
+
+    = render ::Layouts::CrudComponent.new(_('WebAuthn Devices'),
+      icon: 'lock',
+      count: @registrations.length) do |c|
+      - c.with_body do
+        - if @registrations.present?
+          .table-responsive
+            %table.table.gl-table
+              %colgroup
+                %col{ width: "50%" }
+                %col{ width: "30%" }
+                %col{ width: "20%" }
+              %thead
+                %tr
+                  %th= _('Name')
+                  %th= s_('2FADevice|Registered On')
+                  %th
+              %tbody
+                - @registrations.each do |registration|
+                  %tr
+                    %td
+                      - if registration[:name].present?
+                        = registration[:name]
+                      - else
+                        %span.gl-text-subtle
+                          = _("no name set")
+                    %td= registration[:created_at].to_date.to_fs(:medium)
+                    %td{ class: '!gl-py-3' }
+                      .gl-float-right
+                        .js-two-factor-action-confirm{ data: delete_webauthn_device_data(current_password_required?, registration[:delete_path]) }
+
+        - else
+          .gl-text-subtle
+            = _("You don't have any WebAuthn devices registered yet.")
+
+= render ::Layouts::SettingsSectionComponent.new(_('Disable two-factor authentication')) do |c|
+  - c.with_description do
+    = _('Use this section to disable your one-time password authenticator and WebAuthn devices. You can also generate new recovery codes.')
+  - c.with_body do
     - if current_user.two_factor_enabled?
       %p
         = _('If you lose your recovery codes you can generate new ones, invalidating all previous codes.')
diff --git a/app/views/projects/_files.html.haml b/app/views/projects/_files.html.haml
index a4923942298..f665c0e4846 100644
--- a/app/views/projects/_files.html.haml
+++ b/app/views/projects/_files.html.haml
@@ -20,7 +20,7 @@
     #js-fork-info{ data: vue_fork_divergence_data(project, ref) }
 
   .info-well.gl-hidden.sm:gl-flex.project-last-commit.gl-flex-col.gl-mt-5
-    #js-last-commit.gl-m-auto{ data: {ref_type: @ref_type.to_s, history_link: project_commits_path(@project, @ref)} }
+    #js-last-commit.gl-m-auto{ data: {ref_type: @ref_type.to_s} }
       = gl_loading_icon(size: 'md')
     - if project.licensed_feature_available?(:code_owners)
       #js-code-owners{ data: { branch: @ref, can_view_branch_rules: can_view_branch_rules?, branch_rules_path: branch_rules_path } }
diff --git a/app/views/projects/blob/_blob.html.haml b/app/views/projects/blob/_blob.html.haml
index e84b958f921..f5e8881b255 100644
--- a/app/views/projects/blob/_blob.html.haml
+++ b/app/views/projects/blob/_blob.html.haml
@@ -13,7 +13,7 @@
 .info-well.gl-hidden.sm:gl-block
   .well-segment
     %ul.blob-commit-info
-      = render 'projects/commits/commit', commit: @last_commit, project: @project, ref: @ref, show_legacy_ci_icon: false, show_history_button: true
+      = render 'projects/commits/commit', commit: @last_commit, project: @project, ref: @ref, show_legacy_ci_icon: false
 
   - if project.licensed_feature_available?(:code_owners)
     #js-code-owners{ data: { blob_path: blob.path, project_path: @project.full_path, branch: @ref, can_view_branch_rules: can_view_branch_rules?, branch_rules_path: branch_rules_path } }
diff --git a/app/views/projects/blob/_breadcrumb.html.haml b/app/views/projects/blob/_breadcrumb.html.haml
index 0fb6c5c1e21..0715a68e07a 100644
--- a/app/views/projects/blob/_breadcrumb.html.haml
+++ b/app/views/projects/blob/_breadcrumb.html.haml
@@ -26,8 +26,7 @@
       - else
         = link_button_to _('Blame'), project_blame_path(@project, @id, ref_type: @ref_type), data: { event_tracking: 'click_blame_control_on_blob_page' }, class: 'js-blob-blame-link' unless blob.empty?
 
-        .gl-block.sm:gl-hidden.gl-w-full
-          = link_button_to _('History'), project_commits_path(@project, @id, ref_type: @ref_type), data: { event_tracking: 'click_history_control_on_blob_page' }
+    = link_button_to _('History'), project_commits_path(@project, @id, ref_type: @ref_type), data: { event_tracking: 'click_history_control_on_blob_page' }
 
     - permalink_description = _('Go to permalink')
     - permalink_shortcut = 'y'
diff --git a/app/views/projects/commits/_commit.html.haml b/app/views/projects/commits/_commit.html.haml
index 5950b11aaa0..3b10e81272a 100644
--- a/app/views/projects/commits/_commit.html.haml
+++ b/app/views/projects/commits/_commit.html.haml
@@ -16,7 +16,6 @@
 - commit            = commit.present(current_user: current_user)
 - commit_status     = commit.detailed_status_for(ref)
 - show_legacy_ci_icon = local_assigns.fetch(:show_legacy_ci_icon, true)
-- show_history_button = local_assigns.fetch(:show_history_button, false)
 - tags              = commit.tags_for_display
 - collapsible       = local_assigns.fetch(:collapsible, true)
 - link_data_attrs   = local_assigns.fetch(:link_data_attrs, {})
@@ -29,7 +28,7 @@
   .gl-self-start.gl-hidden.sm:gl-block
     = author_avatar(commit, size: 32, has_tooltip: false)
 
-  .commit-detail.flex-list.gl-flex.gl-justify-between.gl-items-start.gl-grow.gl-min-w-0
+  .commit-detail.flex-list.gl-flex.gl-justify-between.gl-items-center.gl-grow.gl-min-w-0
     .commit-content{ data: { testid: 'commit-content' } }
       - if view_details && merge_request
         = link_to commit.title, project_commit_path(project, commit.id, merge_request_iid: merge_request.iid), class: ["commit-row-message item-title js-onboarding-commit-item", ("font-italic" if commit.message.empty?)], data: link_data_attrs
@@ -59,8 +58,7 @@
         %pre{ class: ["commit-row-description gl-mb-3 gl-whitespace-pre-wrap", (collapsible ? "js-toggle-content" : "!gl-block")] }
           = preserve(markdown_field(commit, :description))
 
-
-    .commit-actions.gl-flex.gl-items-center
+    .commit-actions.flex-row
       - if tags.present?
         = gl_badge_tag(variant: :neutral, icon: 'tag', class: 'gl-font-monospace') do
           - if tags.size > 1
@@ -84,8 +82,3 @@
           = commit.short_id
         = clipboard_button(text: commit.id, category: :primary, size: :medium, title: _("Copy commit SHA"))
         = link_to_browse_code(project, commit)
-
-      - if show_history_button
-        #js-commit-history-link{ data: { history_link: project_commits_path(@project, @ref) } }
-          = render Pajamas::ButtonComponent.new(category: :tertiary, button_options: {class: 'gl-ml-4'}) do
-            = _('History')
diff --git a/app/views/projects/tree/_tree_header.html.haml b/app/views/projects/tree/_tree_header.html.haml
index 2b4d5c92658..53adf6b4d7b 100644
--- a/app/views/projects/tree/_tree_header.html.haml
+++ b/app/views/projects/tree/_tree_header.html.haml
@@ -10,8 +10,7 @@
     = render_if_exists 'projects/tree/lock_link'
     = render 'projects/buttons/compare', project: @project, ref: @ref, root_ref: @repository&.root_ref
 
-    .gl-block.sm:gl-hidden.gl-w-full
-      #js-tree-history-link{ data: { history_link: project_commits_path(@project, @ref) } }
+    #js-tree-history-link{ data: { history_link: project_commits_path(@project, @ref) } }
 
     = render 'projects/find_file_link'
     = render 'shared/web_ide_button', blob: nil, css_classes: 'gl-w-full sm:gl-w-auto'
diff --git a/app/workers/authorized_project_update/user_refresh_over_user_range_worker.rb b/app/workers/authorized_project_update/user_refresh_over_user_range_worker.rb
index 4295af60ba5..bcd748ba162 100644
--- a/app/workers/authorized_project_update/user_refresh_over_user_range_worker.rb
+++ b/app/workers/authorized_project_update/user_refresh_over_user_range_worker.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 module AuthorizedProjectUpdate
-  class UserRefreshOverUserRangeWorker # rubocop:disable Scalability/IdempotentWorker
+  class UserRefreshOverUserRangeWorker
     # This worker checks if users requires an update to their project_authorizations records.
     # This check is done via the data read from the database replica (and not from the primary).
     # If this check returns true, a completely new Sidekiq job is enqueued for a specific user
diff --git a/app/workers/concerns/search/worker.rb b/app/workers/concerns/search/worker.rb
index a9eabb29d98..3256eee4bf5 100644
--- a/app/workers/concerns/search/worker.rb
+++ b/app/workers/concerns/search/worker.rb
@@ -8,5 +8,11 @@ module Search
       feature_category :global_search
       concurrency_limit -> { ::Search.default_concurrency_limit }
     end
+
+    private
+
+    def logger
+      ::Gitlab::Elasticsearch::Logger.build
+    end
   end
 end
diff --git a/config/initializers/1_settings.rb b/config/initializers/1_settings.rb
index 2ce05491ce8..1b789d1780c 100644
--- a/config/initializers/1_settings.rb
+++ b/config/initializers/1_settings.rb
@@ -813,6 +813,9 @@ Gitlab.ee do
   Settings.cron_jobs['elastic_index_bulk_cron_worker'] ||= {}
   Settings.cron_jobs['elastic_index_bulk_cron_worker']['cron'] ||= '*/1 * * * *'
   Settings.cron_jobs['elastic_index_bulk_cron_worker']['job_class'] ||= 'ElasticIndexBulkCronWorker'
+  Settings.cron_jobs['elastic_indexing_control_worker'] ||= {}
+  Settings.cron_jobs['elastic_indexing_control_worker']['cron'] ||= '*/1 * * * *'
+  Settings.cron_jobs['elastic_indexing_control_worker']['job_class'] ||= 'ElasticIndexingControlWorker'
   Settings.cron_jobs['elastic_index_embedding_bulk_cron_worker'] ||= {}
   Settings.cron_jobs['elastic_index_embedding_bulk_cron_worker']['cron'] ||= '*/1 * * * *'
   Settings.cron_jobs['elastic_index_embedding_bulk_cron_worker']['job_class'] ||= 'Search::ElasticIndexEmbeddingBulkCronWorker'
diff --git a/config/initializers/warden.rb b/config/initializers/warden.rb
index 17e9e8f6da2..609acbb4eca 100644
--- a/config/initializers/warden.rb
+++ b/config/initializers/warden.rb
@@ -12,7 +12,7 @@ Rails.application.configure do |config|
     when :set_user
       activity.user_authenticated!
       activity.user_session_override!
-    when :fetch # rubocop:disable Lint/EmptyWhen
+    when :fetch
       # We ignore session fetch events
     else
       activity.user_session_override!
diff --git a/config/sidekiq_queues.yml b/config/sidekiq_queues.yml
index 0f4ee2191ef..402d28a3492 100644
--- a/config/sidekiq_queues.yml
+++ b/config/sidekiq_queues.yml
@@ -321,8 +321,6 @@
   - 1
 - - elastic_full_index
   - 1
-- - elastic_indexing_control
-  - 1
 - - elastic_namespace_indexer
   - 1
 - - elastic_namespace_rollout
diff --git a/db/docs/batched_background_migrations/delete_duplicate_issuable_resource_links.yml b/db/docs/batched_background_migrations/delete_duplicate_issuable_resource_links.yml
new file mode 100644
index 00000000000..4bb4efbb6b2
--- /dev/null
+++ b/db/docs/batched_background_migrations/delete_duplicate_issuable_resource_links.yml
@@ -0,0 +1,8 @@
+---
+migration_job_name: DeleteDuplicateIssuableResourceLinks
+description: Remove the duplicates for the production DB.
+feature_category: database
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/172230
+milestone: '17.6'
+queued_migration_version: 20241111055711
+finalized_by: # version of the migration that finalized this BBM
diff --git a/db/docs/batched_background_migrations/delete_orphaned_build_records.yml b/db/docs/batched_background_migrations/delete_orphaned_build_records.yml
index 1cb4572a4d0..f8ff690e29f 100644
--- a/db/docs/batched_background_migrations/delete_orphaned_build_records.yml
+++ b/db/docs/batched_background_migrations/delete_orphaned_build_records.yml
@@ -7,4 +7,4 @@ milestone: '17.4'
 queued_migration_version: 20240910154923
 # Replace with the approximate date you think it's best to ensure the completion of this BBM.
 finalize_after: '2024-09-17'
-finalized_by: # version of the migration that finalized this BBM
+finalized_by: 20241115122644
diff --git a/db/post_migrate/20241106125601_update_subscriptions_index_on_noteable.rb b/db/post_migrate/20241106125601_update_subscriptions_index_on_noteable.rb
new file mode 100644
index 00000000000..d75fb621d72
--- /dev/null
+++ b/db/post_migrate/20241106125601_update_subscriptions_index_on_noteable.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class UpdateSubscriptionsIndexOnNoteable < Gitlab::Database::Migration[2.2]
+  milestone '17.6'
+
+  INDEX_NAME = 'index_subscriptions_on_subscribable_type_subscribable_id_and_id'
+  COLUMN_NAMES = %i[subscribable_id subscribable_type id]
+
+  # Index to be created synchronously in https://gitlab.com/gitlab-org/gitlab/-/issues/502840
+  #
+  # This is designed to improve iterating over related subscriptions records in batches:
+  def up
+    prepare_async_index :subscriptions, COLUMN_NAMES, name: INDEX_NAME
+  end
+
+  def down
+    unprepare_async_index :subscriptions, COLUMN_NAMES, name: INDEX_NAME
+  end
+end
diff --git a/db/post_migrate/20241106125627_update_sent_notifications_index_on_noteable.rb b/db/post_migrate/20241106125627_update_sent_notifications_index_on_noteable.rb
new file mode 100644
index 00000000000..3cfb203d1f0
--- /dev/null
+++ b/db/post_migrate/20241106125627_update_sent_notifications_index_on_noteable.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+# rubocop: disable Migration/PreventIndexCreation -- update an existing index
+class UpdateSentNotificationsIndexOnNoteable < Gitlab::Database::Migration[2.2]
+  milestone '17.6'
+
+  INDEX_NAME = 'index_sent_notifications_on_noteable_type_noteable_id_and_id'
+  COLUMN_NAMES = %i[noteable_id id]
+
+  # Index to be created synchronously in https://gitlab.com/gitlab-org/gitlab/-/issues/502841
+  #
+  # This is designed to replace existing index:
+  # "index_sent_notifications_on_noteable_type_noteable_id" btree (noteable_id) WHERE noteable_type = 'Issue'
+  # with
+  # "index_sent_notifications_on_noteable_type_noteable_id_id" btree (noteable_id, id) WHERE noteable_type = 'Issue'
+  # to improve iterating over issue related sent notification records in batches.
+  def up
+    prepare_async_index :sent_notifications, COLUMN_NAMES, where: "noteable_type = 'Issue'", name: INDEX_NAME
+  end
+
+  def down
+    unprepare_async_index :sent_notifications, COLUMN_NAMES, name: INDEX_NAME
+  end
+end
+# rubocop: enable Migration/PreventIndexCreation
diff --git a/db/post_migrate/20241111055711_queue_delete_duplicate_issuable_resource_links.rb b/db/post_migrate/20241111055711_queue_delete_duplicate_issuable_resource_links.rb
new file mode 100644
index 00000000000..bf69431ba83
--- /dev/null
+++ b/db/post_migrate/20241111055711_queue_delete_duplicate_issuable_resource_links.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+class QueueDeleteDuplicateIssuableResourceLinks < Gitlab::Database::Migration[2.2]
+  milestone '17.6'
+
+  restrict_gitlab_migration gitlab_schema: :gitlab_main
+
+  MIGRATION = "DeleteDuplicateIssuableResourceLinks"
+  DELAY_INTERVAL = 2.minutes
+  BATCH_SIZE = 1000
+  SUB_BATCH_SIZE = 100
+
+  def up
+    queue_batched_background_migration(
+      MIGRATION,
+      :issuable_resource_links,
+      :id,
+      job_interval: DELAY_INTERVAL,
+      batch_size: BATCH_SIZE,
+      sub_batch_size: SUB_BATCH_SIZE
+    )
+  end
+
+  def down
+    delete_batched_background_migration(MIGRATION, :issuable_resource_links, :id, [])
+  end
+end
diff --git a/db/post_migrate/20241115122644_finalize_delete_orphaned_build_records.rb b/db/post_migrate/20241115122644_finalize_delete_orphaned_build_records.rb
new file mode 100644
index 00000000000..d764c344755
--- /dev/null
+++ b/db/post_migrate/20241115122644_finalize_delete_orphaned_build_records.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class FinalizeDeleteOrphanedBuildRecords < Gitlab::Database::Migration[2.2]
+  milestone '17.7'
+  disable_ddl_transaction!
+  restrict_gitlab_migration gitlab_schema: :gitlab_ci
+
+  MIGRATION = 'DeleteOrphanedBuildRecords'
+
+  def up
+    ensure_batched_background_migration_is_finished(
+      job_class_name: MIGRATION,
+      table_name: :p_ci_builds,
+      column_name: :commit_id,
+      job_arguments: [],
+      finalize: true
+    )
+  end
+
+  def down
+    # no-op
+  end
+end
diff --git a/db/schema_migrations/20241106125601 b/db/schema_migrations/20241106125601
new file mode 100644
index 00000000000..42e57099fa4
--- /dev/null
+++ b/db/schema_migrations/20241106125601
@@ -0,0 +1 @@
+569a9ecb955d32ad1b10c50906dd3659ee7524b71be7a7b6e0c9c99525c2c4db
\ No newline at end of file
diff --git a/db/schema_migrations/20241106125627 b/db/schema_migrations/20241106125627
new file mode 100644
index 00000000000..c64c6e41f37
--- /dev/null
+++ b/db/schema_migrations/20241106125627
@@ -0,0 +1 @@
+c5170b7d25515fe41978abf6bf370adb943e6d134738180116dbf9eb046065aa
\ No newline at end of file
diff --git a/db/schema_migrations/20241111055711 b/db/schema_migrations/20241111055711
new file mode 100644
index 00000000000..4aa043df7cb
--- /dev/null
+++ b/db/schema_migrations/20241111055711
@@ -0,0 +1 @@
+390cf83a10bc461d45f0c47eada3f25f3dd611d7c6a124bfd8bf01099f793d60
\ No newline at end of file
diff --git a/db/schema_migrations/20241115122644 b/db/schema_migrations/20241115122644
new file mode 100644
index 00000000000..3f5da4cf94b
--- /dev/null
+++ b/db/schema_migrations/20241115122644
@@ -0,0 +1 @@
+374b6394e31f923d98c2fd5b5eedb3aaf46bdcef977f5bda6535569334835e82
\ No newline at end of file
diff --git a/lib/api/helpers/integrations_helpers.rb b/lib/api/helpers/integrations_helpers.rb
index 73df199e7fe..1c222894183 100644
--- a/lib/api/helpers/integrations_helpers.rb
+++ b/lib/api/helpers/integrations_helpers.rb
@@ -114,32 +114,7 @@ module API
             chat_notification_channels
           ].flatten,
           'drone-ci' => ::Integrations::DroneCi.api_arguments,
-          'emails-on-push' => [
-            {
-              required: true,
-              name: :recipients,
-              type: String,
-              desc: 'Comma-separated list of recipient email addresses'
-            },
-            {
-              required: false,
-              name: :disable_diffs,
-              type: ::Grape::API::Boolean,
-              desc: 'Disable code diffs'
-            },
-            {
-              required: false,
-              name: :send_from_committer_email,
-              type: ::Grape::API::Boolean,
-              desc: 'Send from committer'
-            },
-            {
-              required: false,
-              name: :branches_to_be_notified,
-              type: String,
-              desc: 'Branches for which notifications are to be sent'
-            }
-          ],
+          'emails-on-push' => ::Integrations::EmailsOnPush.api_arguments,
           'external-wiki' => ::Integrations::ExternalWiki.api_arguments,
           'gitlab-slack-application' => [
             ::Integrations::GitlabSlackApplication.api_arguments,
diff --git a/lib/atlassian/jira_connect/jwt/asymmetric.rb b/lib/atlassian/jira_connect/jwt/asymmetric.rb
index 5daa6547a54..d359cb8bcf4 100644
--- a/lib/atlassian/jira_connect/jwt/asymmetric.rb
+++ b/lib/atlassian/jira_connect/jwt/asymmetric.rb
@@ -14,7 +14,7 @@ module Atlassian
         ALGORITHM = 'RS256'
         DEFAULT_PUBLIC_KEY_CDN_URL = 'https://connect-install-keys.atlassian.com'
         PROXY_PUBLIC_KEY_PATH = '/-/jira_connect/public_keys'
-        UUID4_REGEX = /\A[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\z/
+        KEY_ID_REGEX = %r{\A[A-Za-z0-9_\-\/]+\z}
 
         def initialize(token, verification_claims)
           @token = token
@@ -61,7 +61,7 @@ module Atlassian
         end
 
         def retrieve_public_key(key_id)
-          raise KeyFetchError unless UUID4_REGEX.match?(key_id)
+          raise KeyFetchError unless KEY_ID_REGEX.match?(key_id)
 
           public_key = Gitlab::HTTP.try_get("#{public_key_cdn_url}/#{key_id}").try(:body)
 
diff --git a/lib/gitlab/auth/current_user_mode.rb b/lib/gitlab/auth/current_user_mode.rb
index 4ea0d03d90f..e102a444a43 100644
--- a/lib/gitlab/auth/current_user_mode.rb
+++ b/lib/gitlab/auth/current_user_mode.rb
@@ -91,9 +91,7 @@ module Gitlab
         def optionally_run_in_admin_mode(user)
           raise NonSidekiqEnvironmentError unless Gitlab::Runtime.sidekiq?
 
-          unless Gitlab::CurrentSettings.admin_mode && user.admin? # rubocop:disable Cop/UserAdmin -- policy checks should be enforced further down the stack
-            return yield
-          end
+          return yield unless Gitlab::CurrentSettings.admin_mode && user.admin?
 
           bypass_session!(user.id) do
             with_current_admin(user) do
diff --git a/lib/gitlab/background_migration/delete_duplicate_issuable_resource_links.rb b/lib/gitlab/background_migration/delete_duplicate_issuable_resource_links.rb
new file mode 100644
index 00000000000..29664af0a2d
--- /dev/null
+++ b/lib/gitlab/background_migration/delete_duplicate_issuable_resource_links.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module BackgroundMigration
+    class DeleteDuplicateIssuableResourceLinks < BatchedMigrationJob
+      operation_name :delete_duplicate_issuable_resource_links
+      scope_to ->(relation) { relation.where(is_unique: false) }
+      feature_category :database
+
+      def perform
+        each_sub_batch do |sub_batch|
+          sub_batch.delete_all
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/cleanup/personal_access_tokens.rb b/lib/gitlab/cleanup/personal_access_tokens.rb
index 436c3a23a08..4a28ef44c05 100644
--- a/lib/gitlab/cleanup/personal_access_tokens.rb
+++ b/lib/gitlab/cleanup/personal_access_tokens.rb
@@ -13,10 +13,7 @@ module Gitlab
       def initialize(group_full_path:, cut_off_date: DEFAULT_TIME_PERIOD.ago.beginning_of_day, logger: nil)
         @cut_off_date = cut_off_date
 
-        # rubocop: disable CodeReuse/ActiveRecord
         @group = Group.find_by_full_path(group_full_path)
-        # rubocop: enable CodeReuse/ActiveRecord
-
         raise "Group with full_path #{group_full_path} not found" unless @group
         raise "Invalid time: #{@cut_off_date}" unless @cut_off_date <= MINIMUM_TIME_PERIOD.ago
 
diff --git a/lib/gitlab/lfs_token.rb b/lib/gitlab/lfs_token.rb
index 062b1587ba2..d0fa1a9e176 100644
--- a/lib/gitlab/lfs_token.rb
+++ b/lib/gitlab/lfs_token.rb
@@ -74,7 +74,7 @@ module Gitlab
       ActionController::HttpAuthentication::Basic.encode_credentials(actor_name, token)
     end
 
-    private # rubocop:disable Lint/UselessAccessModifier
+    private
 
     attr_reader :container
 
diff --git a/lib/gitlab/sidekiq_middleware/pause_control.rb b/lib/gitlab/sidekiq_middleware/pause_control.rb
index 9b54af450e7..510a43eb41d 100644
--- a/lib/gitlab/sidekiq_middleware/pause_control.rb
+++ b/lib/gitlab/sidekiq_middleware/pause_control.rb
@@ -11,6 +11,7 @@ module Gitlab
         click_house_migration: ::Gitlab::SidekiqMiddleware::PauseControl::Strategies::ClickHouseMigration,
         zoekt: ::Gitlab::SidekiqMiddleware::PauseControl::Strategies::Zoekt,
         none: ::Gitlab::SidekiqMiddleware::PauseControl::Strategies::None,
+        advanced_search: ::Gitlab::SidekiqMiddleware::PauseControl::Strategies::AdvancedSearch,
         deprecated: ::Gitlab::SidekiqMiddleware::PauseControl::Strategies::Deprecated
       }.freeze
 
diff --git a/lib/gitlab/sidekiq_middleware/pause_control/strategies/advanced_search.rb b/lib/gitlab/sidekiq_middleware/pause_control/strategies/advanced_search.rb
new file mode 100644
index 00000000000..67e9362637e
--- /dev/null
+++ b/lib/gitlab/sidekiq_middleware/pause_control/strategies/advanced_search.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module SidekiqMiddleware
+    module PauseControl
+      module Strategies
+        class AdvancedSearch < Base
+          override :should_pause?
+          def should_pause?
+            Gitlab::CurrentSettings.elasticsearch_pause_indexing?
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index 4c5ab75547f..900eba7b9a2 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -61808,7 +61808,7 @@ msgstr ""
 msgid "Web terminal"
 msgstr ""
 
-msgid "WebAuthn Devices (%{length})"
+msgid "WebAuthn Devices"
 msgstr ""
 
 msgid "WebAuthn only works with HTTPS-enabled websites. Contact your administrator for more details."
@@ -64547,9 +64547,6 @@ msgstr ""
 msgid "Your device is not compatible with GitLab. Please try another device"
 msgstr ""
 
-msgid "Your device needs to be set up. Plug it in (if needed) and click the button on the left."
-msgstr ""
-
 msgid "Your device was successfully set up! Give it a name and register it with the GitLab server."
 msgstr ""
 
diff --git a/package.json b/package.json
index dfc0ac48522..4c7218a9dee 100644
--- a/package.json
+++ b/package.json
@@ -154,7 +154,7 @@
     "deckar01-task_list": "^2.3.1",
     "dexie": "^3.2.3",
     "diff": "^3.4.0",
-    "dompurify": "^3.1.6",
+    "dompurify": "^3.2.0",
     "dropzone": "^4.2.0",
     "editorconfig": "^0.15.3",
     "emoji-regex": "^10.0.0",
diff --git a/rubocop/cop/search/namespaced_class.rb b/rubocop/cop/search/namespaced_class.rb
index c171347d1bc..f5055e1dacc 100644
--- a/rubocop/cop/search/namespaced_class.rb
+++ b/rubocop/cop/search/namespaced_class.rb
@@ -24,6 +24,7 @@ module RuboCop
           Search EE::Search API::Search EE::API::Search API::Admin::Search RuboCop::Cop::Search Types Resolvers
           API::Entities::Search::Zoekt API::Internal::Search::Zoekt
           Keeps
+          Gitlab::SidekiqMiddleware::PauseControl::Strategies::AdvancedSearch
         ].map { |x| x.split('::') }.freeze
 
         SEARCH_REGEXES = [
diff --git a/scripts/lint/check_mermaid.mjs b/scripts/lint/check_mermaid.mjs
index ea4b1da8173..117bb2f637e 100755
--- a/scripts/lint/check_mermaid.mjs
+++ b/scripts/lint/check_mermaid.mjs
@@ -21,11 +21,11 @@ global.Option = window.Option;
 DOMPurify.addHook = () => {};
 DOMPurify.sanitize = (x) => x;
 
-const defaultGlob = "doc/**/*.md";
+const defaultGlob = 'doc/**/*.md';
 const mermaidMatch = /```mermaid(.*?)```/gms;
 
 const argv = process.argv.length > 2 ? process.argv.slice(2) : [defaultGlob];
-const mdFiles = argv.flatMap((arg) => glob.sync(arg))
+const mdFiles = argv.flatMap((arg) => glob.sync(arg));
 
 console.log(`Checking ${mdFiles.length} markdown files...`);
 
@@ -43,6 +43,10 @@ mermaid.initialize({
   },
   secure: ['secure', 'securityLevel', 'startOnLoad', 'maxTextSize', 'htmlLabels'],
   securityLevel: 'strict',
+  dompurifyConfig: {
+    ADD_TAGS: ['foreignObject'],
+    HTML_INTEGRATION_POINTS: { foreignobject: true },
+  },
 });
 
 let errors = 0;
@@ -71,6 +75,8 @@ await Promise.all(
 
 if (errors > 0) {
   console.log(`Total errors: ${errors}`);
-  console.log(`To fix these errors, see https://docs.gitlab.com/ee/development/documentation/testing/#mermaid-chart-linting.`);
+  console.log(
+    `To fix these errors, see https://docs.gitlab.com/ee/development/documentation/testing/#mermaid-chart-linting.`,
+  );
   process.exit(1);
 }
diff --git a/spec/features/projects/tree/tree_show_spec.rb b/spec/features/projects/tree/tree_show_spec.rb
index 314098037d1..4a913d82a78 100644
--- a/spec/features/projects/tree/tree_show_spec.rb
+++ b/spec/features/projects/tree/tree_show_spec.rb
@@ -80,7 +80,7 @@ RSpec.describe 'Projects tree', :js, feature_category: :web_ide do
 
       # Check last commit
       expect(find('.commit-content').text).to include(message)
-      expect(find_by_testid('last-commit-id-label').text).to eq(short_newrev)
+      expect(find('.js-commit-sha-group').text).to eq(short_newrev)
     end
   end
 
diff --git a/spec/frontend/authentication/webauthn/components/registration_spec.js b/spec/frontend/authentication/webauthn/components/registration_spec.js
index e4ca1ac8c38..3e53acaafcf 100644
--- a/spec/frontend/authentication/webauthn/components/registration_spec.js
+++ b/spec/frontend/authentication/webauthn/components/registration_spec.js
@@ -9,7 +9,6 @@ import {
   I18N_BUTTON_TRY_AGAIN,
   I18N_ERROR_HTTP,
   I18N_ERROR_UNSUPPORTED_BROWSER,
-  I18N_INFO_TEXT,
   I18N_STATUS_SUCCESS,
   I18N_STATUS_WAITING,
   STATE_ERROR,
@@ -89,11 +88,10 @@ describe('Registration', () => {
     });
 
     describe(`when ${STATE_READY} state`, () => {
-      it('shows button and explanation text', () => {
+      it('shows button', () => {
         createComponent();
 
         expect(findButton().text()).toBe(I18N_BUTTON_SETUP);
-        expect(wrapper.text()).toContain(I18N_INFO_TEXT);
       });
     });
 
diff --git a/spec/frontend/dompurify_verison_spec.js b/spec/frontend/dompurify_verison_spec.js
deleted file mode 100644
index a253fcf274c..00000000000
--- a/spec/frontend/dompurify_verison_spec.js
+++ /dev/null
@@ -1,13 +0,0 @@
-describe('dompurify dependency', () => {
-  it('should not be updated unless mermaid is verified', () => {
-    // why: We use `require` so that we don't have to manually dig through node_modules
-    // eslint-disable-next-line global-require
-    const { version } = require('dompurify/package.json');
-
-    // NOTE: Bumping this to 3.1.7 breaks mermaid diagrams. When upgrading DOMPurify, you **must** manually verify that
-    //       mermaid diagrams work visually before fixing this test. For more context:
-    //       - https://gitlab.com/gitlab-org/gitlab/-/merge_requests/167644
-    //       - https://github.com/cure53/DOMPurify/issues/1002#issuecomment-2381258197
-    expect(version).toEqual('3.1.6');
-  });
-});
diff --git a/spec/frontend/repository/components/__snapshots__/last_commit_spec.js.snap b/spec/frontend/repository/components/__snapshots__/last_commit_spec.js.snap
index 49f25ac69cc..d7c42ddadcc 100644
--- a/spec/frontend/repository/components/__snapshots__/last_commit_spec.js.snap
+++ b/spec/frontend/repository/components/__snapshots__/last_commit_spec.js.snap
@@ -5,10 +5,10 @@ exports[`Repository last commit component renders commit widget 1`] = `
   commit="[object Object]"
 >
   <div
-    class="commit-actions gl-flex gl-items-start"
+    class="commit-actions gl-flex gl-flex-align gl-flex-row gl-items-center"
   >
     <div
-      class="gl-flex gl-h-7 gl-items-center gl-ml-5"
+      class="gl-ml-5"
     >
       <ci-icon-stub
         aria-label="Pipeline: failed"
@@ -19,7 +19,7 @@ exports[`Repository last commit component renders commit widget 1`] = `
       />
     </div>
     <gl-button-group-stub
-      class="gl-flex gl-items-center gl-ml-4 js-commit-sha-group"
+      class="gl-ml-4 js-commit-sha-group"
     >
       <gl-button-stub
         buttontextclasses=""
@@ -43,18 +43,6 @@ exports[`Repository last commit component renders commit widget 1`] = `
         variant="default"
       />
     </gl-button-group-stub>
-    <gl-button-stub
-      buttontextclasses=""
-      category="tertiary"
-      class="gl-ml-4"
-      data-testid="last-commit-history"
-      href="/history"
-      icon=""
-      size="medium"
-      variant="default"
-    >
-      History
-    </gl-button-stub>
   </div>
 </commit-info-stub>
 `;
diff --git a/spec/frontend/repository/components/header_area_spec.js b/spec/frontend/repository/components/header_area_spec.js
index 009592ae308..a4f768b1e36 100644
--- a/spec/frontend/repository/components/header_area_spec.js
+++ b/spec/frontend/repository/components/header_area_spec.js
@@ -43,6 +43,7 @@ describe('HeaderArea', () => {
 
   const findBreadcrumbs = () => wrapper.findComponent(Breadcrumbs);
   const findRefSelector = () => wrapper.findComponent(RefSelector);
+  const findHistoryButton = () => wrapper.findByTestId('tree-history-control');
   const findFindFileButton = () => wrapper.findByTestId('tree-find-file-control');
   const findCompareButton = () => wrapper.findByTestId('tree-compare-control');
   const { bindInternalEventDocument } = useMockInternalEventsTracking();
@@ -94,6 +95,13 @@ describe('HeaderArea', () => {
       wrapper = createComponent({}, 'treePathDecoded');
     });
 
+    describe('History button', () => {
+      it('renders History button with correct href', () => {
+        expect(findHistoryButton().exists()).toBe(true);
+        expect(findHistoryButton().attributes('href')).toContain('/history');
+      });
+    });
+
     describe('Find file button', () => {
       it('renders Find file button', () => {
         expect(findFindFileButton().exists()).toBe(true);
@@ -143,9 +151,10 @@ describe('HeaderArea', () => {
       wrapper = createComponent({}, 'treePathDecoded', { isReadmeView: true });
     });
 
-    it('does not render RefSelector or Breadcrumbs', () => {
+    it('does not render RefSelector, Breadcrumbs and History button', () => {
       expect(findRefSelector().exists()).toBe(false);
       expect(findBreadcrumbs().exists()).toBe(false);
+      expect(findHistoryButton().exists()).toBe(false);
     });
   });
 });
diff --git a/spec/frontend/repository/components/last_commit_spec.js b/spec/frontend/repository/components/last_commit_spec.js
index 175a57ba277..d5ec34b1f6d 100644
--- a/spec/frontend/repository/components/last_commit_spec.js
+++ b/spec/frontend/repository/components/last_commit_spec.js
@@ -21,7 +21,6 @@ const findLastCommitLabel = () => wrapper.findByTestId('last-commit-id-label');
 const findLoadingIcon = () => wrapper.findComponent(GlLoadingIcon);
 const findStatusBox = () => wrapper.findComponent(SignatureBadge);
 const findCommitInfo = () => wrapper.findComponent(CommitInfo);
-const findHistoryButton = () => wrapper.findByTestId('last-commit-history');
 
 const defaultPipelineEdges = [
   {
@@ -99,7 +98,7 @@ const createComponent = async (data = {}) => {
 
   wrapper = shallowMountExtended(LastCommit, {
     apolloProvider: createMockApollo([[pathLastCommitQuery, mockResolver]]),
-    propsData: { currentPath, historyUrl: '/history' },
+    propsData: { currentPath },
     mixins: [{ data: () => ({ ref: refMock }) }],
     stubs: {
       SignatureBadge,
@@ -145,11 +144,6 @@ describe('Repository last commit component', () => {
     expect(findLastCommitLabel().text()).toBe('12345678');
   });
 
-  it('renders History button with correct href', () => {
-    expect(findHistoryButton().exists()).toBe(true);
-    expect(findHistoryButton().attributes('href')).toContain('/history');
-  });
-
   it('hides pipeline components when pipeline does not exist', async () => {
     createComponent({ pipelineEdges: [] });
     await waitForPromises();
diff --git a/spec/frontend/token_access/token_access_app_spec.js b/spec/frontend/token_access/token_access_app_spec.js
index d92855c9550..da5bd5993ad 100644
--- a/spec/frontend/token_access/token_access_app_spec.js
+++ b/spec/frontend/token_access/token_access_app_spec.js
@@ -1,4 +1,5 @@
 import { shallowMount } from '@vue/test-utils';
+import { GlIntersectionObserver } from '@gitlab/ui';
 import InboundTokenAccess from '~/token_access/components/inbound_token_access.vue';
 import OutboundTokenAccess from '~/token_access/components/outbound_token_access.vue';
 import TokenAccessApp from '~/token_access/components/token_access_app.vue';
@@ -10,38 +11,50 @@ describe('TokenAccessApp component', () => {
   const findInboundTokenAccess = () => wrapper.findComponent(InboundTokenAccess);
   const findOutboundTokenAccess = () => wrapper.findComponent(OutboundTokenAccess);
   const findTokenPermissions = () => wrapper.findComponent(TokenPermissions);
+  const findIntersectionObserver = () => wrapper.findComponent(GlIntersectionObserver);
 
   const createComponent = ({ allowPushRepositoryForJobToken = true } = {}) => {
     wrapper = shallowMount(TokenAccessApp, {
-      provide: {
-        glFeatures: {
-          allowPushRepositoryForJobToken,
-        },
-      },
+      provide: { glFeatures: { allowPushRepositoryForJobToken } },
     });
   };
 
-  describe('default', () => {
+  const emitIntersectionObserverUpdate = (isIntersecting) => {
+    findIntersectionObserver().vm.$emit('update', { isIntersecting });
+  };
+
+  describe.each`
+    phrase                         | action                                         | expected
+    ${'on page load'}              | ${() => {}}                                    | ${false}
+    ${'when section is expanded'}  | ${() => emitIntersectionObserverUpdate(true)}  | ${true}
+    ${'when section is collapsed'} | ${() => emitIntersectionObserverUpdate(false)} | ${false}
+  `('$phrase', ({ action, expected }) => {
     beforeEach(() => {
       createComponent();
+      action();
     });
 
-    it('renders the outbound token access component', () => {
-      expect(findOutboundTokenAccess().exists()).toBe(true);
+    it('renders intersection observer', () => {
+      expect(findIntersectionObserver().exists()).toBe(true);
     });
 
-    it('renders the inbound token access component', () => {
-      expect(findInboundTokenAccess().exists()).toBe(true);
+    it('renders/does not render the outbound token access component', () => {
+      expect(findOutboundTokenAccess().exists()).toBe(expected);
     });
 
-    it('renders the token permissions component', () => {
-      expect(findTokenPermissions().exists()).toBe(true);
+    it('renders/does not render the inbound token access component', () => {
+      expect(findInboundTokenAccess().exists()).toBe(expected);
+    });
+
+    it('renders/does not render the token permissions component', () => {
+      expect(findTokenPermissions().exists()).toBe(expected);
     });
   });
 
   describe('when allowPushRepositoryForJobToken feature flag is disabled', () => {
     beforeEach(() => {
       createComponent({ allowPushRepositoryForJobToken: false });
+      findIntersectionObserver().vm.$emit('update', { isIntersecting: true });
     });
 
     it('does not render the token permissions component', () => {
diff --git a/spec/lib/atlassian/jira_connect/jwt/asymmetric_spec.rb b/spec/lib/atlassian/jira_connect/jwt/asymmetric_spec.rb
index 2d813149810..12277d8a02c 100644
--- a/spec/lib/atlassian/jira_connect/jwt/asymmetric_spec.rb
+++ b/spec/lib/atlassian/jira_connect/jwt/asymmetric_spec.rb
@@ -44,8 +44,18 @@ RSpec.describe Atlassian::JiraConnect::Jwt::Asymmetric, feature_category: :integ
       it { is_expected.not_to be_valid }
     end
 
-    context 'JWT contains a key ID that is not a valid UUID4' do
-      let(:public_key_id) { '123' }
+    context 'When public key ID is a string' do
+      let(:public_key_id) { 'generic-keypair/cs-migrations/installation-key-pair--r0d6u65570m0lc8n' }
+
+      specify do
+        expect(asymmetric_jwt).to be_valid
+
+        expect(WebMock).to have_requested(:get, install_keys_url)
+      end
+    end
+
+    context 'when public key ID contains invalid characters' do
+      let(:public_key_id) { '$#%' }
 
       it { is_expected.not_to be_valid }
     end
diff --git a/spec/lib/gitlab/background_migration/delete_duplicate_issuable_resource_links_spec.rb b/spec/lib/gitlab/background_migration/delete_duplicate_issuable_resource_links_spec.rb
new file mode 100644
index 00000000000..f2e6ee30f4d
--- /dev/null
+++ b/spec/lib/gitlab/background_migration/delete_duplicate_issuable_resource_links_spec.rb
@@ -0,0 +1,152 @@
+# frozen_string_literal: true
+
+# rubocop:disable RSpec/MultipleMemoizedHelpers -- Needed in specs
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::BackgroundMigration::DeleteDuplicateIssuableResourceLinks, feature_category: :database do
+  let(:namespaces) { table(:namespaces) }
+  let(:projects) { table(:projects) }
+  let(:users) { table(:users) }
+  let(:issues) { table(:issues) }
+  let(:issuable_resource_links) { table(:issuable_resource_links) }
+  let(:issue_base_type_enum_value) { 0 }
+  let(:issue_type) { table(:work_item_types).find_by!(base_type: issue_base_type_enum_value) }
+
+  let(:user) { create_user(email: "test1@example.com", username: "test1") }
+  let(:namespace) { namespaces.create!(name: "test-1", path: "test-1", owner_id: user.id) }
+  let!(:project) do
+    projects.create!(
+      id: 9999, namespace_id: namespace.id,
+      project_namespace_id: namespace.id,
+      creator_id: user.id
+    )
+  end
+
+  let!(:issue1) { create_issue }
+  let!(:issue2) { create_issue }
+
+  let!(:issuable_resource_link1) { issuable_resource_links.create!(issue_id: issue1.id, link: "https://gitlab.com/link1", is_unique: false) }
+  let!(:issuable_resource_link1_alt1) { issuable_resource_links.create!(issue_id: issue1.id, link: "https://gitlab.com/link1alt", is_unique: false) }
+  let!(:issuable_resource_link1_alt2) { issuable_resource_links.create!(issue_id: issue2.id, link: "https://gitlab.com/link1", is_unique: false) }
+  let!(:issuable_resource_link2) do
+    irl = issuable_resource_links.create!(issue_id: issue1.id, link: "https://gitlab.com/link2")
+    irl.update!(is_unique: true)
+    irl
+  end
+
+  let!(:issuable_resource_link2_alt1) do
+    irl = issuable_resource_links.create!(issue_id: issue1.id, link: "https://gitlab.com/link2alt")
+    irl.update!(is_unique: true)
+    irl
+  end
+
+  let!(:issuable_resource_link2_alt2) do
+    irl = issuable_resource_links.create!(issue_id: issue2.id, link: "https://gitlab.com/link2")
+    irl.update!(is_unique: true)
+    irl
+  end
+
+  let!(:issuable_resource_link3) do
+    irl = issuable_resource_links.create!(issue_id: issue1.id, link: "https://gitlab.com/link3")
+    irl.update!(is_unique: nil)
+    irl
+  end
+
+  let!(:issuable_resource_link3_alt1) do
+    irl = issuable_resource_links.create!(issue_id: issue1.id, link: "https://gitlab.com/link3alt")
+    irl.update!(is_unique: nil)
+    irl
+  end
+
+  let!(:issuable_resource_link3_alt2) do
+    irl = issuable_resource_links.create!(issue_id: issue2.id, link: "https://gitlab.com/link3")
+    irl.update!(is_unique: nil)
+    irl
+  end
+
+  let!(:issuable_resource_link4) { issuable_resource_links.create!(issue_id: issue1.id, link: "https://gitlab.com/link4", is_unique: true) }
+  let!(:issuable_resource_link4_dup) { issuable_resource_links.create!(issue_id: issue1.id, link: "https://gitlab.com/link4", is_unique: false) }
+  let!(:issuable_resource_link5) { issuable_resource_links.create!(issue_id: issue1.id, link: "https://gitlab.com/link5", is_unique: false) }
+  let!(:issuable_resource_link5_dup) { issuable_resource_links.create!(issue_id: issue1.id, link: "https://gitlab.com/link5", is_unique: false) }
+  let!(:issuable_resource_link6) { issuable_resource_links.create!(issue_id: issue1.id, link: "https://gitlab.com/link6", is_unique: nil) }
+  let!(:issuable_resource_link6_dup) { issuable_resource_links.create!(issue_id: issue1.id, link: "https://gitlab.com/link6", is_unique: nil) }
+
+  let(:stating_id) { issuable_resource_links.pluck(:id).min }
+  let(:end_id) { issuable_resource_links.pluck(:id).max }
+
+  subject(:migration) do
+    described_class.new(
+      start_id: stating_id,
+      end_id: end_id,
+      batch_table: :issuable_resource_links,
+      batch_column: :id,
+      sub_batch_size: 100,
+      pause_ms: 0,
+      connection: ApplicationRecord.connection
+    )
+  end
+
+  describe 'the deletion of issuable_resource_links' do
+    using RSpec::Parameterized::TableSyntax
+
+    where(:issuable_resource_link, :expected_is_unique, :expected_to_get_deleted) do
+      ref(:issuable_resource_link1)       | be(false) | true
+      ref(:issuable_resource_link1_alt1)  | be(false) | true
+      ref(:issuable_resource_link1_alt2)  | be(false) | true
+      ref(:issuable_resource_link2)       | be(true)  | false
+      ref(:issuable_resource_link2_alt1)  | be(true)  | false
+      ref(:issuable_resource_link2_alt2)  | be(true)  | false
+      ref(:issuable_resource_link3)       | be_nil    | false
+      ref(:issuable_resource_link3_alt1)  | be_nil    | false
+      ref(:issuable_resource_link3_alt2)  | be_nil    | false
+      ref(:issuable_resource_link4)       | be(true)  | false
+      ref(:issuable_resource_link4_dup)   | be(false) | true
+      ref(:issuable_resource_link5)       | be(false) | true
+      ref(:issuable_resource_link5_dup)   | be(false) | true
+      ref(:issuable_resource_link6)       | be_nil    | false
+      ref(:issuable_resource_link6_dup)   | be_nil    | false
+    end
+
+    with_them do
+      it 'verifies the presence of the record' do
+        expect(issuable_resource_links.find(issuable_resource_link.id).is_unique).to expected_is_unique
+
+        expect { migration.perform }.to change { issuable_resource_links.count }.by(-6)
+
+        if expected_to_get_deleted
+          expect(issuable_resource_links.where(id: issuable_resource_link.id)).to be_empty
+        else
+          expect(issuable_resource_links.where(id: issuable_resource_link.id)).not_to be_empty
+        end
+      end
+    end
+  end
+
+  private
+
+  def create_issue
+    issues.create!(
+      title: 'title',
+      description: 'description',
+      project_id: project.id,
+      namespace_id: project.project_namespace_id,
+      work_item_type_id: issue_type.id
+    )
+  end
+
+  def create_user(overrides = {})
+    attrs = {
+      email: "test@example.com",
+      notification_email: "test@example.com",
+      name: "test",
+      username: "test",
+      state: "active",
+      projects_limit: 10
+    }.merge(overrides)
+
+    users.create!(attrs)
+  end
+end
+
+# rubocop:enable RSpec/MultipleMemoizedHelpers
diff --git a/spec/migrations/20241111055711_queue_delete_duplicate_issuable_resource_links_spec.rb b/spec/migrations/20241111055711_queue_delete_duplicate_issuable_resource_links_spec.rb
new file mode 100644
index 00000000000..6cd8b731a77
--- /dev/null
+++ b/spec/migrations/20241111055711_queue_delete_duplicate_issuable_resource_links_spec.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!
+
+RSpec.describe QueueDeleteDuplicateIssuableResourceLinks, migration: :gitlab_main, feature_category: :database do
+  let!(:batched_migration) { described_class::MIGRATION }
+
+  it 'schedules a new batched migration' do
+    reversible_migration do |migration|
+      migration.before -> {
+        expect(batched_migration).not_to have_scheduled_batched_migration
+      }
+
+      migration.after -> {
+        expect(batched_migration).to have_scheduled_batched_migration(
+          gitlab_schema: :gitlab_main,
+          table_name: :issuable_resource_links,
+          column_name: :id,
+          interval: described_class::DELAY_INTERVAL,
+          batch_size: described_class::BATCH_SIZE,
+          sub_batch_size: described_class::SUB_BATCH_SIZE
+        )
+      }
+    end
+  end
+end
diff --git a/spec/models/integrations/emails_on_push_spec.rb b/spec/models/integrations/emails_on_push_spec.rb
index b3fe6bf9506..9760e12aa62 100644
--- a/spec/models/integrations/emails_on_push_spec.rb
+++ b/spec/models/integrations/emails_on_push_spec.rb
@@ -2,8 +2,8 @@
 
 require 'spec_helper'
 
-RSpec.describe Integrations::EmailsOnPush do
-  let_it_be(:project) { create_default(:project).freeze }
+RSpec.describe Integrations::EmailsOnPush, feature_category: :integrations do
+  let_it_be(:project) { create(:project, :repository) }
 
   describe 'Validations' do
     context 'when integration is active' do
@@ -87,7 +87,6 @@ RSpec.describe Integrations::EmailsOnPush do
   end
 
   describe '#execute' do
-    let_it_be(:project) { create(:project, :repository) }
     let(:push_data) { { object_kind: 'push' } }
     let(:integration) { create(:emails_on_push_integration, project: project) }
     let(:recipients) { 'test@gitlab.com' }
diff --git a/spec/services/work_items/data_sync/widgets/award_emoji_spec.rb b/spec/services/work_items/data_sync/widgets/award_emoji_spec.rb
index 077f65914eb..12ba46170b7 100644
--- a/spec/services/work_items/data_sync/widgets/award_emoji_spec.rb
+++ b/spec/services/work_items/data_sync/widgets/award_emoji_spec.rb
@@ -39,7 +39,7 @@ RSpec.describe WorkItems::DataSync::Widgets::AwardEmoji, feature_category: :team
       context 'when cloning work item' do
         let(:params) { { operation: :clone } }
 
-        it 'copies award_emoji from work_item to target_work_item' do
+        it 'does not copy award_emoji' do
           expect(callback).not_to receive(:new_work_item_award_emoji)
           expect(::AwardEmoji).not_to receive(:insert_all)
 
diff --git a/spec/services/work_items/data_sync/widgets/notifications_spec.rb b/spec/services/work_items/data_sync/widgets/notifications_spec.rb
new file mode 100644
index 00000000000..aa627d680c5
--- /dev/null
+++ b/spec/services/work_items/data_sync/widgets/notifications_spec.rb
@@ -0,0 +1,149 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe WorkItems::DataSync::Widgets::Notifications, feature_category: :team_planning do
+  let_it_be(:current_user) { create(:user) }
+  let_it_be_with_reload(:work_item) { create(:work_item) }
+  let_it_be_with_reload(:subscription1) do
+    create(:subscription, subscribable: work_item, user: create(:user), subscribed: true)
+  end
+
+  let_it_be_with_reload(:subscription2) do
+    create(:subscription, subscribable: work_item, user: create(:user), subscribed: false)
+  end
+
+  let_it_be_with_reload(:sent_notification1) do
+    create(:sent_notification, project: work_item.project, noteable: work_item, recipient: create(:user))
+  end
+
+  let_it_be_with_reload(:sent_notification2) do
+    create(:sent_notification, project: work_item.project, noteable: work_item, recipient: create(:user))
+  end
+
+  let_it_be(:target_work_item) { create(:work_item) }
+  let(:params) { { operation: :move } }
+
+  subject(:callback) do
+    described_class.new(
+      work_item: work_item, target_work_item: target_work_item, current_user: current_user, params: params
+    )
+  end
+
+  describe '#after_save_commit' do
+    context 'when target work item has notifications widget' do
+      before do
+        allow(target_work_item).to receive(:get_widget).with(:notifications).and_return(true)
+        allow(work_item).to receive(:from_service_desk?).and_return(true)
+      end
+
+      context 'when moving work item' do
+        it 'copies notifications from work_item to target_work_item' do
+          expect(callback).to receive(:new_work_item_subscriptions).and_call_original
+          expect(callback).to receive(:new_work_item_sent_notifications).and_call_original
+          expect(::Subscription).to receive(:insert_all).and_call_original
+          expect(::SentNotification).to receive(:upsert_all).and_call_original
+
+          expected_subscriptions = work_item.subscriptions.pluck(:user_id)
+          expected_sent_notifications = work_item.sent_notifications.pluck(:recipient_id)
+
+          callback.after_save_commit
+
+          subscriptions = target_work_item.reload.subscriptions.pluck(:user_id)
+          sent_notifications = target_work_item.reload.sent_notifications.pluck(:recipient_id)
+          expect(subscriptions).to match_array(expected_subscriptions)
+          expect(sent_notifications).to match_array(expected_sent_notifications)
+        end
+      end
+
+      context 'when cloning work item' do
+        let(:params) { { operation: :clone } }
+
+        it 'does not copy subscriptions or notifications' do
+          expect(callback).not_to receive(:new_work_item_subscriptions)
+          expect(callback).not_to receive(:new_work_item_sent_notifications)
+          expect(::Subscription).not_to receive(:insert_all)
+          expect(::SentNotification).not_to receive(:upsert_all)
+
+          callback.after_save_commit
+
+          expect(target_work_item.reload.subscriptions).to be_empty
+          expect(target_work_item.reload.sent_notifications).to be_empty
+        end
+      end
+
+      context 'when work item is not a service desk work item' do
+        before do
+          allow(work_item).to receive(:from_service_desk?).and_return(false)
+        end
+
+        it 'copies subscriptions but does not copy notifications' do
+          expect(callback).to receive(:new_work_item_subscriptions).and_call_original
+          expect(callback).not_to receive(:new_work_item_sent_notifications)
+          expect(::Subscription).to receive(:insert_all).and_call_original
+          expect(::SentNotification).not_to receive(:upsert_all)
+
+          expected_subscriptions = work_item.subscriptions.pluck(:user_id)
+
+          callback.after_save_commit
+
+          subscriptions = target_work_item.reload.subscriptions.pluck(:user_id)
+          expect(subscriptions).to match_array(expected_subscriptions)
+          expect(target_work_item.reload.sent_notifications).to be_empty
+        end
+      end
+    end
+
+    context 'when target work item does not have notifications widget' do
+      before do
+        target_work_item.reload
+        allow(target_work_item).to receive(:get_widget).with(:notifications).and_return(false)
+      end
+
+      it 'does not copy subscriptions or notifications' do
+        expect(callback).not_to receive(:new_work_item_subscriptions)
+        expect(callback).not_to receive(:new_work_item_sent_notifications)
+        expect(::Subscription).not_to receive(:insert_all)
+        expect(::SentNotification).not_to receive(:upsert_all)
+
+        callback.after_save_commit
+
+        expect(target_work_item.reload.subscriptions).to be_empty
+        expect(target_work_item.reload.sent_notifications).to be_empty
+      end
+    end
+  end
+
+  describe '#post_move_cleanup' do
+    it 'removes original work item notifications' do
+      expect(work_item.subscriptions.count).to eq(2)
+      expect(work_item.sent_notifications.count).to eq(2)
+
+      expect { callback.post_move_cleanup }.not_to raise_error
+
+      expect(work_item.subscriptions).to be_empty
+      expect(work_item.sent_notifications).to be_empty
+    end
+
+    context 'when cleanup data in batches' do
+      before do
+        stub_const("#{described_class}::BATCH_SIZE", 2)
+      end
+
+      it 'removes original work item notifications' do
+        create(:subscription, subscribable: work_item, user: create(:user), subscribed: true)
+        create(:subscription, subscribable: work_item, user: create(:user), subscribed: false)
+        create(:sent_notification, project: work_item.project, noteable: work_item, recipient: create(:user))
+        create(:sent_notification, project: work_item.project, noteable: work_item, recipient: create(:user))
+
+        expect(work_item.subscriptions.count).to eq(4)
+        expect(work_item.sent_notifications.count).to eq(4)
+
+        callback.post_move_cleanup
+
+        expect(work_item.subscriptions).to be_empty
+        expect(work_item.sent_notifications).to be_empty
+      end
+    end
+  end
+end
diff --git a/spec/support/shared_examples/services/work_items/data_sync/cloneable_and_moveable_data_stared_examples.rb b/spec/support/shared_examples/services/work_items/data_sync/cloneable_and_moveable_data_stared_examples.rb
index e9d30e6784f..897e40ae4c3 100644
--- a/spec/support/shared_examples/services/work_items/data_sync/cloneable_and_moveable_data_stared_examples.rb
+++ b/spec/support/shared_examples/services/work_items/data_sync/cloneable_and_moveable_data_stared_examples.rb
@@ -66,15 +66,36 @@ RSpec.shared_examples 'cloneable and moveable widget data' do
     work_item.reload.milestone&.title
   end
 
+  def work_item_subscriptions(work_item)
+    work_item.reload.subscriptions.pluck(:user_id)
+  end
+
+  def work_item_sent_notifications(work_item)
+    work_item.reload.sent_notifications.pluck(:recipient_id)
+  end
+
   let(:move) { WorkItems::DataSync::MoveService }
   let(:clone) { WorkItems::DataSync::CloneService }
 
   let_it_be(:users) { create_list(:user, 3) }
   let_it_be(:thumbs_ups) { create_list(:award_emoji, 2, name: 'thumbsup', awardable: original_work_item) }
   let_it_be(:thumbs_downs) { create_list(:award_emoji, 2, name: 'thumbsdown', awardable: original_work_item) }
-  let_it_be(:participant2) { create(:issue_email_participant, issue: original_work_item, email: 'user2@example.com') }
   let_it_be(:award_emojis) { original_work_item.reload.award_emoji.pluck(:user_id, :name) }
 
+  let_it_be(:subscriptions) do
+    create_list(:subscription, 2, subscribable: original_work_item)
+    # create subscriptions for original work item and return subscribers as `expected_data` for later comparison.
+    original_work_item.reload.subscriptions.pluck(:user_id)
+  end
+
+  let_it_be(:notifications) do
+    create_list(:sent_notification, 2, noteable: original_work_item,
+      project: original_work_item.project, recipient: create(:user)
+    )
+    # create sent notification for original work item and return recipients as `expected_data` for later comparison.
+    original_work_item.reload.sent_notifications.pluck(:recipient_id)
+  end
+
   let_it_be(:emails) do
     create_list(:issue_email_participant, 2, issue: original_work_item)
     # create email participants on original work item and return emails as `expected_data` for later comparison.
@@ -109,14 +130,20 @@ RSpec.shared_examples 'cloneable and moveable widget data' do
   end
 
   where(:widget_name, :eval_value, :expected_data, :operations) do
-    :assignees          | :work_item_assignees   | ref(:assignees)    | [ref(:move), ref(:clone)]
-    :award_emoji        | :work_item_award_emoji | ref(:award_emojis) | [ref(:move)]
-    :email_participants | :work_item_emails      | ref(:emails)       | [ref(:move)]
-    :milestone          | :work_item_milestone   | ref(:milestone)    | [ref(:move), ref(:clone)]
+    :assignees          | :work_item_assignees          | ref(:assignees)     | [ref(:move), ref(:clone)]
+    :award_emoji        | :work_item_award_emoji        | ref(:award_emojis)  | [ref(:move)]
+    :email_participants | :work_item_emails             | ref(:emails)        | [ref(:move)]
+    :milestone          | :work_item_milestone          | ref(:milestone)     | [ref(:move), ref(:clone)]
+    :subscriptions      | :work_item_subscriptions      | ref(:subscriptions) | [ref(:move)]
+    :sent_notifications | :work_item_sent_notifications | ref(:notifications) | [ref(:move)]
   end
 
   with_them do
     context "with widget" do
+      before do
+        allow(original_work_item).to receive(:from_service_desk?).and_return(true)
+      end
+
       it 'clones and moves widget data' do
         new_work_item = service.execute[:work_item]
         widget_value = send(eval_value, new_work_item)
diff --git a/spec/views/projects/commits/_commit.html.haml_spec.rb b/spec/views/projects/commits/_commit.html.haml_spec.rb
index e88b401ff60..cc73418ea1e 100644
--- a/spec/views/projects/commits/_commit.html.haml_spec.rb
+++ b/spec/views/projects/commits/_commit.html.haml_spec.rb
@@ -108,45 +108,4 @@ RSpec.describe 'projects/commits/_commit.html.haml' do
       end
     end
   end
-
-  context 'with history button' do
-    let(:ref) { 'master' }
-
-    it 'does not render the history button when show_history_button is not provided' do
-      render partial: template, formats: :html, locals: {
-        project: project,
-        ref: ref,
-        commit: commit
-      }
-
-      expect(rendered).not_to have_css('#js-commit-history-link')
-      expect(rendered).not_to have_content('History')
-    end
-
-    it 'renders the history button when show_history_button is true' do
-      allow(view).to receive(:project_commits_path).and_return('/commits/123')
-
-      render partial: template, formats: :html, locals: {
-        project: project,
-        ref: ref,
-        commit: commit,
-        show_history_button: true
-      }
-
-      expect(rendered).to have_css('#js-commit-history-link')
-      expect(rendered).to have_content('History')
-    end
-
-    it 'does not render the history button when show_history_button is false' do
-      render partial: template, formats: :html, locals: {
-        project: project,
-        ref: ref,
-        commit: commit,
-        show_history_button: false
-      }
-
-      expect(rendered).not_to have_css('#js-commit-history-link')
-      expect(rendered).not_to have_content('History')
-    end
-  end
 end
diff --git a/spec/workers/concerns/search/worker_spec.rb b/spec/workers/concerns/search/worker_spec.rb
index 0dd466b53a9..0df9fe99a7d 100644
--- a/spec/workers/concerns/search/worker_spec.rb
+++ b/spec/workers/concerns/search/worker_spec.rb
@@ -11,6 +11,10 @@ RSpec.describe Search::Worker, feature_category: :global_search do
 
       include ApplicationWorker
       include ::Search::Worker
+
+      def perform
+        logger.info 'Worker start'
+      end
     end
   end
 
@@ -26,4 +30,12 @@ RSpec.describe Search::Worker, feature_category: :global_search do
 
     expect(Gitlab::SidekiqMiddleware::ConcurrencyLimit::WorkersMap.limit_for(worker: worker_class)).to eq(limit)
   end
+
+  it 'uses a logger built with Gitlab::Elasticsearch::Logger' do
+    logger = instance_double(Gitlab::Elasticsearch::Logger)
+    expect(Gitlab::Elasticsearch::Logger).to receive(:build).and_return(logger)
+    expect(logger).to receive(:info).with('Worker start')
+
+    worker.perform
+  end
 end
diff --git a/yarn.lock b/yarn.lock
index 727d552f639..8635e823b24 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6740,10 +6740,10 @@ domexception@^4.0.0:
   dependencies:
     webidl-conversions "^7.0.0"
 
-dompurify@^3.0.5, dompurify@^3.1.6:
-  version "3.1.6"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.1.6.tgz#43c714a94c6a7b8801850f82e756685300a027e2"
-  integrity sha512-cTOAhc36AalkjtBpfG6O8JimdTMWNXjiePT2xQH/ppBGi/4uIpmj8eKyIkMJErXWARyINV/sB38yf8JCLF5pbQ==
+dompurify@^3.0.5, dompurify@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.2.0.tgz#53c414317c51503183696fcdef6dd3f916c607ed"
+  integrity sha512-AMdOzK44oFWqHEi0wpOqix/fUNY707OmoeFDnbi3Q5I8uOpy21ufUA5cDJPr0bosxrflOVD/H2DMSvuGKJGfmQ==
 
 dropzone@^4.2.0:
   version "4.2.0"