diff --git a/src/python/pants/notes/2.12.x.md b/src/python/pants/notes/2.12.x.md
index 98d858234f2..8808022015d 100644
--- a/src/python/pants/notes/2.12.x.md
+++ b/src/python/pants/notes/2.12.x.md
@@ -1,5 +1,21 @@
 # 2.12.x Release Series
 
+## 2.12.1rc4 (Aug 24, 2022)
+
+### User API Changes
+
+* Bump default version of `setuptools` to 63.4 ([#16619](https://github.com/pantsbuild/pants/pull/16619))
+
+### Bug fixes
+
+* Add `grpcio` to default Python module mapping ([#16605](https://github.com/pantsbuild/pants/pull/16605))
+
+* Fix `IndexError` when codegen is missing expected `python_requirement` targets ([#16590](https://github.com/pantsbuild/pants/pull/16590))
+
+### Documentation
+
+* Fix broken link to community page (Cherry-pick of #16468) ([#16556](https://github.com/pantsbuild/pants/pull/16556))
+
 ## 2.12.1rc3 (Aug 14, 2022)
 
 ### Bug fixes