Problematic tests list (15 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
bugs.gh_8485_test  Segfault/AV on incorrect databases.conf starting with subconfig (without line alias=database_path)
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.blob.test_read_blob_in_multiple_cursors  Ability to read same blob_id using multiple cursors
functional.blob.test_small_blob_caching  Operations with inline streamed blobs when boundary values are used for seek() and read() methods.
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:
5.0.3.1635 2025.03.31 22ec6faa  CS