Release 5.0.0-pre.20210923.7 (2021-09-30)

Baseline: 9a765c8b498a72e20af6c391bef01e794913c317

Cherry picks:

   + f959a22bc59229b723cfca8c987da210b03b8a8d:
     Rollback.

Important changes:

  - Add support to length-delimited protos as undeclared output
    annotations []

This release contains contributions from many people at Google, as well as Benjamin Peterson, Brandon Jacklyn, Rabi Shanker Guha.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00c8fb6..d4e1d2f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,51 @@
+## Release 5.0.0-pre.20210923.7 (2021-09-30)
+
+```
+Baseline: 9a765c8b498a72e20af6c391bef01e794913c317
+
+Cherry picks:
+
+   + f959a22bc59229b723cfca8c987da210b03b8a8d:
+     Rollback.
+```
+
+Important changes:
+
+  - Add support to length-delimited protos as undeclared output
+    annotations []
+
+This release contains contributions from many people at Google, as well as Benjamin Peterson, Brandon Jacklyn, Rabi Shanker Guha.
+
+## Release 5.0.0-pre.20210921.1 (2021-09-27)
+
+```
+Baseline: 11f1a6d3ce529a63d4b7111c62ae504ceac2a019
+```
+
+Incompatible changes:
+
+  - Remove --bep_publish_used_heap_size_post_build
+  - JSON trace profile: rename counter names.
+
+Important changes:
+
+  - Adds --experimental_existing_rules_immutable_view flag to make the
+    native.existing_rule and native.existing_rules functions more
+    efficient by
+    returning immutable, lightweight dict-like view objects instead
+    of mutable
+    dicts.
+
+This release contains contributions from many people at Google, as well as Wren Turkal.
+
+## Release 5.0.0-pre.20210916.1 (2021-09-23)
+
+```
+Baseline: e4a26b6391fd2d3112a29bf81b4397055c854184
+```
+
+This release contains contributions from many people at Google, as well as Peter Kasting, Ulrik Falklof.
+
 ## Release 5.0.0-pre.20210913.1 (2021-09-17)
 
 ```