diff --git a/devlog/_plan/260914_cost_guard_stabilization/070_delivery.md b/devlog/_plan/260914_cost_guard_stabilization/070_delivery.md
index 63617e8708e..8fd02d5ca2d 100644
--- a/devlog/_plan/260914_cost_guard_stabilization/070_delivery.md
+++ b/devlog/_plan/260914_cost_guard_stabilization/070_delivery.md
@@ -30,3 +30,36 @@ The configuration reference and every locale translation change in the same pull
 request as the behaviour, because a default documented in eight languages is wrong
 in eight languages the moment the code lands. `structure/` ownership docs for the
 affected invariants change with them.
+
+## 2.55.0 release record
+
+| field | value |
+| --- | --- |
+| product snapshot | `62f02223a0` on `dev` |
+| preview SHA | `7bdd1b29b5` (`2.55.0-preview.20260914`) |
+| stable SHA | `1cc89cf88c` (`2.55.0`) |
+| dev next | `2.56.0` (#4618) |
+| preview push CI | run 34833399886, success |
+| preview service lifecycle | run 34833399853, success |
+| preview dry-run / publish | 34834321705 / 34834502951, both success |
+| main push CI | run 34835022788, success |
+| main service lifecycle | run 34835022762, success |
+| main dry-run / publish | 34836327017 / 34836498588, both success |
+| registry: preview | verified, `registry.npmjs.org/@bitkyc08%2Fopencodex/2.55.0-preview.20260914` returns 200 |
+| registry: stable | **pending** -- the version endpoint still returns 404 |
+
+The preview and stable trees are byte-identical apart from `package.json.version`;
+`git diff origin/preview origin/main -- . ':!package.json'` is empty.
+
+**The stable registry line is the honest part.** The publish job reported success, its
+post-publish registry smoke passed on the runner, and the `v2.55.0` tag and GitHub Release point
+at `1cc89cf88c`. Fifteen minutes later the registry version endpoint still answers 404 and
+`dist-tags.latest` still reads `2.54.0`, while the preview published minutes earlier answers 200.
+So the receipt exists and availability is unconfirmed, which is `registryVerification: pending` --
+not a missing package. Do not re-run the publish: a second dispatch against the same version is
+the failure mode the bounded-read path exists to prevent. Recover the observation, then announce.
+
+What this release does not claim: the PRD's RG2 set is not complete. The durable cross-restart
+reservation ledger, V2 child first placement, the minimum quota/cache domain contract, the
+transient half-open probe lease, combo hops on the shared budget, Cursor's inner retries and the
+sends-per-logical-request surfacing all remain open, so #4546 stays open too.