diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7295c76..d695ddb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,10 @@ A `### Breaking` section is used in addition to Keep a Changelog's standard sect
 
 ### Added
 
+- Extracted `coverage-gate` action and tool from Cue for reuse across Æther projects.
+- Coverage gate now available as reusable composite action with JSON metrics output (`passes`, `total_coverage`, `packages_checked`, `packages_failed`).
+- Support for per-package coverage threshold policy via JSON configuration in `coverage-gate` tool.
+
 ### Changed
 
 ### Removed