diff --git a/CHANGELOG.md b/CHANGELOG.md
index 261792a7af4..425a8b52195 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ Docs: https://docs.openclaw.ai
 ### Fixes
 
 - Gateway/responses: emit every client tool call from `/v1/responses` JSON and SSE responses when the agent invokes multiple client tools in a single turn, so multi-tool plans, graph orchestration calls, and similar batched flows no longer drop every call but the last. Fixes #52288. Thanks @CharZhou and @bonelli.
+- Slack/reactions: treat missing no_reaction remove responses as idempotent success and route own-reaction cleanup through the remove helper, so concurrent cleanup no longer surfaces Slack race errors. Fixes #50733. (#76304) Thanks @martingarramon and @Hollychou924.
 - Control UI/Gateway: avoid full session-list reloads for locally applied message-phase session updates, carry known session keys through transcript-file update events, and defer media provider listing when explicit generation model config is present. Refs #76236, #76203, #76188, #76107, and #76166. Thanks @BunsDev.
 - Install/update: prune the obsolete `plugin-runtime-deps` state directory during packaged postinstall so upgrades from pre-2026.5.2 releases reclaim old bundled-plugin dependency caches without touching external plugin installs.
 - Auto-reply/queue: treat reset-triggered `/new` and `/reset` turns as interrupt runs across active-run queue handling, so steer/followup modes cannot delay a fresh session behind existing work. Fixes #74093. (#74144) Thanks @ruji9527 and @yelog.