Problematic tests list (10 rows):
bugs.core_0733_test  Compress Data over the Network
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_7436_test  Backup error for wide table
functional.arno.optimizer.test_opt_sort_by_index_10  ORDER BY ASC using index (multi)
functional.arno.optimizer.test_opt_sort_by_index_13  ORDER BY ASC using index (multi)
functional.arno.optimizer.test_opt_sort_by_index_19  ORDER BY ASC using index (multi) and WHERE clause
functional.replication.test_make_async_reinit_reliable  Make asynchronous replica re-initialization reliable #8324
functional.replication.test_sync_replica_server_hangs_on_disconnect  Synchronous replication hangs on disconnect [CORE6497]

This list is the same for:
4.0.8.3276 2026.04.27 6313ca8d  CS
4.0.8.3276 2026.04.27 6313ca8d  SS