Prep for 2.21.1 release

Author: cowtowncoder

pom.xml

@@ -8,7 +8,7 @@
     <parent>
         <groupId>com.fasterxml.jackson</groupId>
         <artifactId>jackson-base</artifactId>
-        <version>2.21.1-SNAPSHOT</version>
+        <version>2.21.1</version>
     </parent>
     <groupId>com.fasterxml.jackson.module</groupId>
     <artifactId>jackson-module-kotlin</artifactId>

release-notes/VERSION-2.x

@@ -16,6 +16,10 @@ Co-maintainers:
 === Releases ===
 ------------------------------------------------------------------------
 
+2.21.1 (22-Feb-2026)
+
+No changes since 2.21.0
+
 2.21.0 (18-Jan-2026)
 
 #1085: The addMixIn extension function is now available in the generic MapperBuilder.