diff --git a/docs/ActivityCoreLoop.md b/docs/ActivityCoreLoop.md
index 37bd96b..536999b 100644
--- a/docs/ActivityCoreLoop.md
+++ b/docs/ActivityCoreLoop.md
@@ -86,3 +86,21 @@ WP-0008-T03 retains the end-to-end execution, independent review, publication an
 rollback proofs. WP-0008-T01/T02 retain first real consumer integration, frozen
 release validation, producer closeout hooks and delayed-outcome refresh. These
 are live tasks, not implied completions of this reporting foundation.
+
+
+## Retention safeguard follow-up
+
+The digest-retention fix is now deployed through GitOps and verified in the worker.
+Packages referenced by digest in the additive live/rollback inventory are protected
+in full; unrelated package cleanup retains its normal policy. Twenty platform
+retention/inventory tests and seventeen GitOps tests pass; CI and live script hash
+checks passed. No prune was manually run. The worker rollout restarts conservative
+healthy observation at September 27, 14:06:22 UTC: earliest eligibility is
+**September 28, 16:06:22 Berlin**, conditional on healthy evidence and admission.
+This supersedes the earlier observation timestamp above.
+
+The remaining release dependency is a narrowly enforced source/sync broker,
+authenticated review/CI/health receipts and failed-health automatic rollback proof.
+ArgoCD Core has no reusable API-server token lane; an Application patch grant
+alone would allow more than syncing. ACTIVITY-WP-0041-T03 and RPF-WP-0048-T02 retain
+that work. Consumer enrollment and pattern-editing executor readiness remain open.