diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a8f55859..7f704f384 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ Docs: https://docs.openclaw.ai
 - Docs: add zh-CN landing notice + AI-translated image. (#7303) Thanks @joshp123.
 - Docs: fix typo - clawdbot is the compatibility shim, not openclaw. (#7415) Thanks @lailoo.
 - Config: allow setting a default subagent thinking level via `agents.defaults.subagents.thinking` (and per-agent `agents.list[].subagents.thinking`). (#7372) Thanks @tyler6204.
+- Memory: implement the opt-in QMD backend for workspace memory. (#3160) Thanks @vignesh07.
 
 ### Fixes