Start 2.20 branch; update 2.x to 2.21

Author: cowtowncoder

avro/pom.xml

@@ -9,7 +9,7 @@
   <parent>
     <groupId>com.fasterxml.jackson.dataformat</groupId>
     <artifactId>jackson-dataformats-binary</artifactId>
-    <version>2.20.1-SNAPSHOT</version>
+    <version>2.21.0-SNAPSHOT</version>
   </parent>
   <artifactId>jackson-dataformat-avro</artifactId>
   <name>Jackson dataformat: Avro</name>

cbor/pom.xml

@@ -9,7 +9,7 @@
   <parent>
     <groupId>com.fasterxml.jackson.dataformat</groupId>
     <artifactId>jackson-dataformats-binary</artifactId>
-    <version>2.20.1-SNAPSHOT</version>
+    <version>2.21.0-SNAPSHOT</version>
   </parent>
   <artifactId>jackson-dataformat-cbor</artifactId>
   <name>Jackson dataformat: CBOR</name>

ion/pom.xml

@@ -9,7 +9,7 @@
   <parent>
     <groupId>com.fasterxml.jackson.dataformat</groupId>
     <artifactId>jackson-dataformats-binary</artifactId>
-    <version>2.20.1-SNAPSHOT</version>
+    <version>2.21.0-SNAPSHOT</version>
   </parent>
   <artifactId>jackson-dataformat-ion</artifactId>
   <name>Jackson dataformat: Ion</name>

pom.xml

@@ -4,12 +4,12 @@
   <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.dataformat</groupId>
   <artifactId>jackson-dataformats-binary</artifactId>
   <name>Jackson dataformats: Binary</name>
-  <version>2.20.1-SNAPSHOT</version>
+  <version>2.21.0-SNAPSHOT</version>
   <packaging>pom</packaging>
   <description>Parent pom for Jackson binary dataformats.
   </description>
@@ -45,7 +45,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
     <!-- for Reproducible Builds -->
-    <project.build.outputTimestamp>2025-08-28T23:08:05Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2025-08-30T00:22:48Z</project.build.outputTimestamp>
 
     <!-- 20-Mar-2021, tatu: limit heap for tests to catch some
 	 of "too big allocation" cases

protobuf/pom.xml

@@ -9,7 +9,7 @@
   <parent>
     <groupId>com.fasterxml.jackson.dataformat</groupId>
     <artifactId>jackson-dataformats-binary</artifactId>
-    <version>2.20.1-SNAPSHOT</version>
+    <version>2.21.0-SNAPSHOT</version>
   </parent>
   <artifactId>jackson-dataformat-protobuf</artifactId>
   <name>Jackson dataformat: Protobuf</name>

release-notes/VERSION-2.x

@@ -14,6 +14,10 @@ Active maintainers:
 === Releases ===
 ------------------------------------------------------------------------
 
+2.21.0 (not yet released)
+
+No changes since 2.20
+
 2.20.0 (28-Aug-2025)
 
 #137: (cbor) Allow exposing CBOR "undefined" value as `JsonToken.VALUE_EMBEDDED_OBJECT`;

smile/pom.xml

@@ -9,7 +9,7 @@
   <parent>
     <groupId>com.fasterxml.jackson.dataformat</groupId>
     <artifactId>jackson-dataformats-binary</artifactId>
-    <version>2.20.1-SNAPSHOT</version>
+    <version>2.21.0-SNAPSHOT</version>
   </parent>
   <artifactId>jackson-dataformat-smile</artifactId>
   <name>Jackson dataformat: Smile</name>