Problematic tests list (10 rows):
bugs.core_1746_test  Expression index can be created while doing inserts into table
bugs.core_1894_test  Circular dependencies between computed fields crash the engine
bugs.core_2140_test  Error messages after parameters substitution contains '\n' characters instead of line break
bugs.core_3450_test  Inefficient optimization (regression)
bugs.core_3610_test  Can insert DUPLICATE keys in UNIQUE index
bugs.core_3672_test  computed index by SUBSTRING function for long columns
bugs.core_3691_test  Missing constraint name in foreign key error message in FB 2.1.4
bugs.core_4386_test  Report more details for "object in use" errors
bugs.core_4754_test  Bugcheck 167 (invalid SEND request) while working with GTT from several attachments (using EXECUTE STATEMENT ... ON EXTERNAL and different roles)
bugs.core_4819_test  EXECUTE PROCEDURE's RETURNING_VALUES and EXECUTE STATEMENT's INTO does not check validity of assignments targets leading to bugcheck

This list is the same for:
6.0.0.1858 2026.03.25 07b6dd60  SS
6.0.0.1864 2026.03.26 7f3cf6af  SS