Prep for 2.19.4 release

Author: cowtowncoder

pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.fasterxml.jackson</groupId>
     <artifactId>jackson-base</artifactId>
-    <version>2.19.4-SNAPSHOT</version>
+    <version>2.19.4</version>
   </parent>
   <groupId>com.fasterxml.jackson.dataformat</groupId>
   <artifactId>jackson-dataformats-binary</artifactId>

release-notes/VERSION-2.x

@@ -18,6 +18,7 @@ Active maintainers:
 
 No changes since 2.19
 
+2.19.4 (29-Oct-2025)
 2.19.3 (29-Oct-2025)
 
 #601: Jackson subtype Avro schema unions are non-deterministic and therefore