Merge branch '2.20' into 2.21

Author: cowtowncoder

release-notes/VERSION-2.x

@@ -136,6 +136,10 @@ No changes since 2.19.1
 #571: Unable to deserialize a pojo with IonStruct
  (reported, fix contributed by Josh C)
 
+2.18.7 (24-Apr-2026)
+
+No changes since 2.18.6
+
 2.18.6 (22-Feb-2026)
 
 #645: (avro) Remove use of Avro `Schema.Parser().setValidate()` to allow