Start 2.20 branch; update 2.x to 2.21

Author: cowtowncoder

datatypes/pom.xml

@@ -9,7 +9,7 @@
   <parent>
     <groupId>com.fasterxml.jackson.module</groupId>
     <artifactId>jackson-modules-java8</artifactId>
-    <version>2.20.1-SNAPSHOT</version>
+    <version>2.21.0-SNAPSHOT</version>
   </parent>
   <groupId>com.fasterxml.jackson.datatype</groupId>
   <artifactId>jackson-datatype-jdk8</artifactId>

datetime/pom.xml

@@ -9,7 +9,7 @@
   <parent>
     <groupId>com.fasterxml.jackson.module</groupId>
     <artifactId>jackson-modules-java8</artifactId>
-    <version>2.20.1-SNAPSHOT</version>
+    <version>2.21.0-SNAPSHOT</version>
   </parent>
   <groupId>com.fasterxml.jackson.datatype</groupId>
   <artifactId>jackson-datatype-jsr310</artifactId>

parameter-names/pom.xml

@@ -9,7 +9,7 @@
   <parent>
     <groupId>com.fasterxml.jackson.module</groupId>
     <artifactId>jackson-modules-java8</artifactId>
-    <version>2.20.1-SNAPSHOT</version>
+    <version>2.21.0-SNAPSHOT</version>
   </parent>
   <artifactId>jackson-module-parameter-names</artifactId>
   <name>Jackson-module-parameter-names</name>

pom.xml

@@ -3,12 +3,12 @@
   <parent>
     <groupId>com.fasterxml.jackson</groupId>
     <artifactId>jackson-base</artifactId>
-    <version>2.20.1-SNAPSHOT</version>
+    <version>2.21.0-SNAPSHOT</version>
   </parent>
   <groupId>com.fasterxml.jackson.module</groupId>
   <artifactId>jackson-modules-java8</artifactId>
   <name>Jackson modules: Java 8</name>
-  <version>2.20.1-SNAPSHOT</version>
+  <version>2.21.0-SNAPSHOT</version>
   <packaging>pom</packaging>
   <description>Parent pom for Jackson modules needed to support Java 8 features and types
   </description>

release-notes/VERSION-2.x

@@ -8,6 +8,10 @@ Modules:
 === Releases ===
 ------------------------------------------------------------------------
 
+2.21.0 (not yet released)
+
+No changes since 2.20
+
 2.20.0 (28-Aug-2025)
 
 No changes since 2.19