Bump trunk to 4.0.0-SNAPSHOT

docs/js/templateData.js

@@ -17,8 +17,8 @@ limitations under the License.
 
 // Define variables for doc templates
 var context={
-    "version": "39",
-    "dotVersion": "3.9",
-    "fullDotVersion": "3.9.0",
+    "version": "40",
+    "dotVersion": "4.0",
+    "fullDotVersion": "4.0.0",
     "scalaVersion": "2.13"
 };

gradle.properties

@@ -23,7 +23,7 @@ group=org.apache.kafka
 #  - streams/quickstart/pom.xml
 #  - streams/quickstart/java/src/main/resources/archetype-resources/pom.xml
 #  - streams/quickstart/java/pom.xml
-version=3.9.0-SNAPSHOT
+version=4.0.0-SNAPSHOT
 scalaVersion=2.13.14
 # Adding swaggerVersion in gradle.properties to have a single version in place for swagger
 # New version of Swagger 2.2.14 requires minimum JDK 11.

kafka-merge-pr.py

@@ -70,7 +70,7 @@ TEMP_BRANCH_PREFIX = "PR_TOOL"
 
 DEV_BRANCH_NAME = "trunk"
 
-DEFAULT_FIX_VERSION = os.environ.get("DEFAULT_FIX_VERSION", "3.9.0")
+DEFAULT_FIX_VERSION = os.environ.get("DEFAULT_FIX_VERSION", "4.0.0")
 
 ORIGINAL_HEAD = ""
 

streams/quickstart/java/pom.xml

@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.kafka</groupId>
         <artifactId>streams-quickstart</artifactId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <relativePath>..</relativePath>
     </parent>
 

streams/quickstart/java/src/main/resources/archetype-resources/pom.xml

@@ -29,7 +29,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <kafka.version>3.9.0-SNAPSHOT</kafka.version>
+        <kafka.version>4.0.0-SNAPSHOT</kafka.version>
         <slf4j.version>1.7.36</slf4j.version>
     </properties>
 

streams/quickstart/pom.xml

@@ -22,7 +22,7 @@
     <groupId>org.apache.kafka</groupId>
     <artifactId>streams-quickstart</artifactId>
     <packaging>pom</packaging>
-    <version>3.9.0-SNAPSHOT</version>
+    <version>4.0.0-SNAPSHOT</version>
 
     <name>Kafka Streams :: Quickstart</name>
 

tests/kafkatest/__init__.py

@@ -22,4 +22,4 @@
 # Instead, in development branches, the version should have a suffix of the form ".devN"
 #
 # For example, when Kafka is at version 1.0.0-SNAPSHOT, this should be something like "1.0.0.dev0"
-__version__ = '3.9.0.dev0'
+__version__ = '4.0.0.dev0'

tests/kafkatest/version.py

@@ -122,7 +122,7 @@ def get_version(node=None):
         return DEV_BRANCH
 
 DEV_BRANCH = KafkaVersion("dev")
-DEV_VERSION = KafkaVersion("3.8.0-SNAPSHOT")
+DEV_VERSION = KafkaVersion("4.0.0-SNAPSHOT")
 
 # This should match the LATEST_PRODUCTION version defined in MetadataVersion.java
 LATEST_STABLE_METADATA_VERSION = "3.8"
@@ -274,3 +274,7 @@ LATEST_3_7 = V_3_7_1
 # 3.8.x version
 V_3_8_0 = KafkaVersion("3.8.0")
 LATEST_3_8 = V_3_8_0
+
+# 4.0.x version
+V_4_0_0 = KafkaVersion("4.0.0")
+LATEST_4_0 = V_4_0_0