Merge branch '3.1' into 3.x

Author: cowtowncoder

release-notes/VERSION

@@ -34,7 +34,7 @@ JSON library.
 #1593: Add `JsonGenerator.writeComment(String)`, `JsonGenerator.canWriteComments()`
  (implemented by @cowtowncoder, w/ Claude code)
 
-3.1.2 (not yet released)
+3.1.2 (11-Apr-2026)
 
 #1561: Javadoc for 3.1.0 doesn't work (build with JDK 21)
  (reported by Rob S)