diff --git a/_posts/2024-04-20-16.0.0-release.md b/_posts/2024-04-20-16.0.0-release.md
index c683a907034f..e71dda38c637 100644
--- a/_posts/2024-04-20-16.0.0-release.md
+++ b/_posts/2024-04-20-16.0.0-release.md
@@ -126,6 +126,11 @@ Thanks for your contributions and participation in the project!
 ### Enhancements
 
 ## Java notes
+- A breaking change to support Java 9 modules has been implemented in this release. [GH-39001](https://github.com/apache/arrow/issues/39001)
+- A new Float16 type has been added. [GH-39680](https://github.com/apache/arrow/issues/39680)
+- Java 22 is supported. [GH-40680](https://github.com/apache/arrow/issues/40680)
+- Various bug fixes and improvements.
+
 
 ## JavaScript notes