Problematic tests list (5 rows):

bugs.core_2264_test | ALTER DOMAIN with dependencies may leave a transaction handle in inconsistent state causing segmentation faults
bugs.core_2966_test | Wrong results or unexpected errors while sorting a large data set
bugs.gh_4314_test | Sub-optimal predicate checking while selecting from a view [CORE3981]
bugs.gh_7141_test | Services manager breaks long lines into 1023 bytes portions when using isc_info_svc_line in Service::query()
functional.replication.test_sync_replica_server_hangs_on_disconnect | Synchronous replication hangs on disconnect [CORE6497]

This list is the same for:

4.0.8.3279 2026.05.19 f29161e3 | SS