Problematic tests list (5 rows):

bugs.core_3450_test | Inefficient optimization (regression)
bugs.gh_0310_test | System table with keywords
bugs.gh_3812_test | Query with SP doesn't accept explicit plan [CORE3451]
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_8061_test | Unnest IN/ANY/EXISTS subqueries and optimize them using semi-join algorithm

This list is the same for:

5.0.4.1808 2026.04.07 91a19c30 | CS
5.0.4.1808 2026.04.07 91a19c30 | SS