Problematic tests list (6 rows):
bugs.core_2264_test  ALTER DOMAIN with dependencies may leave a transaction handle in inconsistent state causing segmentation faults
bugs.core_6444_test  Ability to query Firebird configuration using SQL
bugs.gh_7257_misc_datatypes_test  Support for partial indices
bugs.gh_7257_test  Support for partial indices
bugs.gh_8290_test  "Unique scan" is incorrectly reported in the explained plan for unique index and IS NULL predicate
functional.table.external.external_file_all_datatypes_test  External tables must accept values of all existing FB datatypes if they belong to allowed range (or set), and must reject out-of-range values

This list is the same for:
5.0.5.1899 2026.10.01 ecea1333  CS
5.0.5.1899 2026.10.01 ecea1333  SS
5.0.5.1902 2026.10.02 094b435e  CS
5.0.5.1902 2026.10.02 094b435e  SS
5.0.5.1903 2026.10.03 14bfcdf0  CS
5.0.5.1903 2026.10.03 14bfcdf0  SS