Problematic tests list (3 rows):

bugs.core_2264_test | ALTER DOMAIN with dependencies may leave a transaction handle in inconsistent state causing segmentation faults
bugs.gh_4314_test | Sub-optimal predicate checking while selecting from a view [CORE3981]
functional.replication.test_sync_replica_server_hangs_on_disconnect | Synchronous replication hangs on disconnect [CORE6497]

This list is the same for:

4.0.8.3275 2026.04.22 f8342e97 | CS
4.0.8.3275 2026.04.22 f8342e97 | SS