Problematic tests list (12 rows):

bugs.core_0733_test | Compress Data over the Network
bugs.core_5501_test | Unclear gstat's diagnostic when damaged page in DB file appears encrypted
bugs.gh_8263_test | gbak on Classic with ParallelWorkers > 1 doesn't restore indices, giving a cryptic error message
bugs.gh_8386_test | Crash when creating index on table that uses UDR and ParallelWorkers > 1
bugs.gh_8462_test | A user with "GRANT_REVOKE_ON_ANY_OBJECT" privilege can't revoke a role from himself if he is not a grantor
bugs.gh_8477_test | Inheritance of WINDOW does not work
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.basic.isql.test_02 | ISQL - SHOW SYSTEM TABLES
functional.replication.test_make_async_reinit_reliable | Make asynchronous replica re-initialization reliable #8324
functional.tabloid.test_333be4bf | Change error by warning in the case when isc_dpb_parallel_workers value is not at valid range

This list is the same for:

5.0.3.1633 2025.03.28 3123a5a0 | CS