Problematic tests list (11 rows):
bugs.gh_4723_incompressible_test  Optimize the record-level RLE algorithm for a denser compression of shorter-than-declared strings and sets of subsequent NULLs [CORE4401]
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_7436_test  Backup error for wide table
bugs.gh_8077_test  Error "Too many recursion levels" does not stop execuition of code that uses ON DISCONNECT trigger (FB 4.x+)
bugs.gh_8108_test  Engine returns empty string when unable to translate Unicode symbol into ICU-codepage.
bugs.gh_8120_test  Cast dies with numeric value is out of range error
bugs.test_trace_eol  Trace INCLUDE_FILTER with [[:WHITESPACE:]]+ does not work when statement contains newline is issued
bugs.test_trace_eol_cr_space_nl  Trace INCLUDE_FILTER with [[:WHITESPACE:]]+ does not work when statement contains newline is issued
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

This list is the same for:
4.0.5.3097 2024.05.09 27fa6044  CS
4.0.5.3097 2024.05.09 27fa6044  SS