| bugs.core_2264_test | ALTER DOMAIN with dependencies may leave a transaction handle in inconsistent state causing segmentation faults |
| bugs.core_2966_test | Wrong results or unexpected errors while sorting a large data set |
| bugs.gh_0310_test | System table with keywords |
| bugs.gh_8061_test | Unnest IN/ANY/EXISTS subqueries and optimize them using semi-join algorithm |
| functional.metacache.core_4386_metacache_test | Error 'object in use' must NOT raise in 6.x with shared metacache (opposite outcome to prior versions). |