diff --git a/packages/coding-agent/CHANGELOG.md b/packages/coding-agent/CHANGELOG.md
index b97058b6..2ae5b772 100644
--- a/packages/coding-agent/CHANGELOG.md
+++ b/packages/coding-agent/CHANGELOG.md
@@ -6,6 +6,7 @@
 
 - Added `titlebar-spinner.ts` example extension that shows a braille spinner animation in the terminal title while the agent is working.
 - Added `PI_AI_ANTIGRAVITY_VERSION` environment variable documentation to help text ([#1129](https://github.com/badlogic/pi-mono/issues/1129))
+- Added `cacheRetention` stream option with provider-specific mappings for prompt cache controls, defaulting to short retention ([#1134](https://github.com/badlogic/pi-mono/issues/1134))
 
 ## [0.50.8] - 2026-02-01