Merge branch '2.18' into 2.19

Author: cowtowncoder

release-notes/VERSION-2.x

@@ -26,7 +26,7 @@ Modules:
 #364: Deserialization of Month in ONE_BASED_MONTHS mode fails for value "12"
  (reported, fix contributed by Boleslav B)
 
-2.18.4 (not yet released)
+2.18.4 (06-May-2025)
 
 #291: `InstantDeserializer` fails to parse negative numeric timestamp strings
   for pre-1970 values