Problematic tests list (20 rows):

bugs.gh_0310_test | System table with keywords
bugs.gh_4314_test | Sub-optimal predicate checking while selecting from a view [CORE3981]
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
bugs.gh_8488_test | MIN/MAX aggregates may badly affect the join order in queries with mixed INNER/LEFT joins
functional.arno.optimizer.test_opt_aggregate_distribution_03 | Try to deliver HAVING CLAUSE conjunctions to the WHERE clause
functional.arno.optimizer.test_opt_aggregate_distribution_04 | Try to deliver HAVING CLAUSE conjunctions to the WHERE clause
functional.arno.optimizer.test_opt_aggregate_distribution_05 | Try to deliver HAVING CLAUSE conjunctions to the WHERE clause
functional.arno.optimizer.test_opt_aggregate_distribution_06 | Try to deliver HAVING CLAUSE conjunctions to the WHERE clause
functional.arno.optimizer.test_opt_aggregate_distribution_07 | Try to deliver HAVING CLAUSE conjunctions to the WHERE clause
functional.arno.optimizer.test_opt_aggregate_distribution_08 | Try to deliver HAVING CLAUSE conjunctions to the WHERE clause
functional.arno.optimizer.test_opt_aggregate_distribution_09 | Try to deliver HAVING CLAUSE conjunctions to the WHERE clause
functional.arno.optimizer.test_opt_aggregate_distribution_10 | Try to deliver HAVING CLAUSE conjunctions to the WHERE clause
functional.arno.optimizer.test_opt_aggregate_distribution_11 | Try to deliver HAVING CLAUSE conjunctions to the WHERE clause
functional.arno.optimizer.test_opt_aggregate_distribution_12 | Try to deliver HAVING CLAUSE conjunctions to the WHERE clause
functional.arno.optimizer.test_opt_aggregate_distribution_13 | Try to deliver HAVING CLAUSE conjunctions to the WHERE clause
functional.arno.optimizer.test_opt_aggregate_distribution_14 | Try to deliver HAVING CLAUSE conjunctions to the WHERE clause
functional.arno.optimizer.test_opt_full_join_04 | FULL OUTER JOIN, list all values, but filtered in WHERE clause
functional.arno.optimizer.test_opt_left_join_08 | LEFT OUTER JOIN with full match, but limited in ON and WHERE clause
functional.metacache.core_4386_metacache_test | Error 'object in use' must NOT raise in 6.x with shared metacache (opposite outcome to prior versions).

This list is the same for:

5.0.5.1817 2026.04.22 d2d8d894 | CS
5.0.5.1817 2026.04.22 d2d8d894 | SS