- Drop AlmaLinux ahead-of-RHEL eventpoll CVE-2026-46242 fix (1417), superseded
by the RHEL eventpoll series in 211.31.1
- Temporarily drop the rtmutex remove_waiter() fixes (1418, 1420)
- Add RHEL 211.31.1 backports recreated from CS10/upstream (1421-1444)