upstream(mattermost-lts): 2026-06-22 re-check — 11.7.5 still latest ESR

cc-ci-plan/upstream/mattermost-lts.md

@@ -16,6 +16,11 @@
   The `release-11.7` Docker Hub floating tag always points to the latest 11.7.x patch.
   IMPORTANT: Do NOT use 11.7.0–11.7.2 — they have a schemeid migration bug in the `roles` table
   when upgrading from 10.11.17+; use 11.7.3 or later (current: 11.7.5).
+  - **2026-06-22 re-check** (endoflife.date/mattermost, data 2026-06-19): 11.7.5 is STILL the
+    newest 11.7.x patch (released 2026-06-18); 10.11 ESR security support ends 2026-08-15
+    (~2 months); 10.12 innovation ENDED 2025-12-15 (do NOT target, despite abra listing 10.12.4);
+    11.8 innovation EOL 2026-09-15. PR #2 (11.7.5 + restore fix) remains the correct, current
+    upgrade — this run is a confirmation re-verification, not a re-bump.
 - postgres: stay on **15-alpine** for now. The upgrade to 16-alpine requires a major-version migration
   (pg_upgrade or dump/restore with operator involvement) because the stack runs with a persistent
   postgres_data volume. A 16 container against pg15 PGDATA crashes on startup. Major pg bump is a