Problematic tests list (15 rows):

bugs.core_0733_test | Compress Data over the Network
bugs.core_1095_test | Support `BETWEEN` predicate for select expressions
bugs.core_1271_test | Ceation of invalid procedures/triggers allowed
bugs.core_1725_test | Unable to restore a database with inactive indices if any SP/trigger contains an explicit plan
bugs.core_2957_test | count(*) from big table returns negative result
bugs.core_4371_test | Create function/sp which references to non-existent exception: error message is "Error while parsing function's BLR" instead of "exception not defined"
bugs.core_5501_test | Unclear gstat's diagnostic when damaged page in DB file appears encrypted
bugs.gh_6802_test | When the statement timeout is set, it causes the lock manager to delay reporting deadlocks until timeout is expired
bugs.gh_8891_test | Regression. Result of cross join of two procedures + unioned with common datasource (e.g. rdb$database) is wrong
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:

5.0.4.1748 2026.02.12 8e4489a2 | CS