Problematic tests list (90 rows):
bugs.core_0521_test  Permissions are checked case-insensitively
bugs.core_0696_test  User Account maintanance in SQL
bugs.core_0805_test  Privileges of dynamic statements in SP
bugs.core_0856_test  Unable to set FName, MName, LName fields in security to blank
bugs.core_0927_test  Grants don't work for procedures used inside views
bugs.core_1810_test  Usernames with '.' character
bugs.core_2022_test  "EXECUTE BLOCK" statement does not support "CREATE USER"
bugs.core_2729_test  Current connection may be used by EXECUTE STATEMENT instead of creation of new attachment
bugs.core_2861_test  Cannot remove user with dot in login
bugs.core_2929_test  "Invalid ESCAPE sequence" when connecting to the database
bugs.core_3100_test  Wait mode and lock timeout of external transaction of EXECUTE STATEMENT not matched to corresponding parameters of local transaction
bugs.core_3242_test  Recursive stored procedure shouldnt require execute right to call itself
bugs.core_3690_dialect_3_test  Wrong warning message for ambiguous query
bugs.core_3732_test  Segfault when closing attachment to database
bugs.core_3799_test  with caller privileges option do not work with autonomous transaction option
bugs.core_4054_test  role not passed on external execute stmt
bugs.core_4607_test  Add support for having more than one UserManager in firebird.conf and use them from SQL
bugs.core_4719_test  Message "Statement failed, SQLSTATE = 00000 + unknown ISC error 0" appears when issuing REVOKE ALL ON ALL FROM <existing_user>
bugs.core_4766_test  AV when trying to manage users list using EXECUTE STATEMENT on behalf of non-sysdba user which has RDB$ADMIN role
bugs.core_4831_test  Revoke all on all from role <R> -- failed with "SQL role <R> does not exist in security database"
bugs.core_4841_test  Make message about missing password being always displayed as reply on attempt to issue CREATE new login without PASSWORD clause
bugs.core_5060_test  Cannot CREATE VIEW that selects from a system table, despite having all grants
bugs.core_5082_test  Server does not validate correctness of user/password pair provided in EXECUTE STATEMENT operator
bugs.core_5155_test  [CREATE OR] ALTER USER statement: clause PASSWORD (if present) must be always specified just after USER
bugs.core_5162_test  SEC$ tables and tag/attributes
bugs.core_5275_test  Expression index may become inconsistent if CREATE INDEX was interrupted after b-tree creation but before commiting
bugs.core_5475_test  Provide ability to filter out info and warnings from trace log
bugs.core_5481_test  Available indices are not used in some cases if ORDER BY expression is a filtered one
bugs.core_5488_session_idle_test  Timeouts for running SQL statements and idle connections
bugs.core_5593_test  System function RDB$ROLE_IN_USE cannot take long role names
bugs.core_5747_test  User can grant usage privilege by himself
bugs.core_5754_test  ALTER TRIGGER check privilege for alter database instead of table
bugs.core_5756_addi_test  Regression: FB crashes when trying to recreate table that is in use by DML (3.0.3; 3.0.4; 4.0.0)
bugs.core_5770_test  User who is allowed to manage other users must have this ability WITHOUT need to grant him RDB$ADMIN role
bugs.core_5804_test  Multiple error in REVOKE operator
bugs.core_5840_test  Ignor of reference privilege
bugs.core_5841_test  No permission for SELECT access to BLOB field if a TABLE is accessed using VIEW
bugs.core_5852_test  There is no check of existance generator and exception when privileges are granted
bugs.core_5858_test  Command 'REVOKE ALL ON ALL FROM <anyname>' lead server to crash
bugs.core_5904_test  An attempt to create global mapping with long (greater than SQL identifier length) FROM field fails
bugs.core_5921_test  Provide information about Global Commit Number, Commit Number of currently used database snapshot (if any) and Commit Numbers assigned to the committed transactions
bugs.core_6095_test  Extend trace record for COMMIT/ROLLBACK RETAINING to allow chaining of transaction ids
bugs.core_6317_test  Server is crashing on long GRANT statement
bugs.core_6329_test  GBAK with service_mgr and WinSSPI authentication for Windows SYSTEM user producing error in clumplet API
bugs.gh_6732_test  Stored procedure isn't able to execute statement 'GRANT'
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_6825_test  Correct error message for DROP VIEW
bugs.gh_6866_test  Some orphan records left at RDB$SECURITY_CLASSES and RDB$USER_PRIVILEGES after DROP PROCEDURE\FUNCTION
bugs.gh_6889_test  error no permision occurred while ALTER USER SET TAGS on snapshot build WI-V3.0.8.33482
bugs.gh_6934_test  SQL SECURITY DEFINER does not affect the ownership of created DDL objects
bugs.gh_6935_test  SQL SECURITY DEFINER has inconsistent behaviour if the object owner is non-privileged
bugs.gh_6963_test  grant references not working
bugs.gh_6998_test  Problems with access to RDB$CONFIG table for non-privileged user when he has grant on execution of SP which has necessary access rights (created by SYSDBA with SQL DEFINER clause)
bugs.gh_7050_test  Add table MON$COMPILED_STATEMENTS and columns
bugs.gh_7398_test  Worst plan sort created to execute an indexed tables
bugs.gh_7426_test  Ensure the DDL trigger requests are cached
bugs.gh_7466_plans_tracking_test  Add COMPILE trace events - ability to see execution plan of every PSQL statement.
bugs.gh_7466_test  Add COMPILE trace events for procedures/functions/triggers
bugs.gh_7804_test  The partial index is not involved when filtering conditions through OR.
bugs.gh_7904_test  More realistic cardinality adjustments for unmatchable booleans // FB5 bad plan for query
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_8161_test  Cardinality estimation should use primary record versions only
bugs.gh_8278_test  Avoid index lookup for a NULL key if the condition is known to always be FALSE in this case
bugs.gh_8851_test  'Internal error' when calling outer procedure after deleting unused result variable from inner procedure
functional.arno.optimizer.test_opt_inner_join_05  INNER JOIN join order LIKE and STARTING WITH
functional.gtcs.test_returning_01  Test of RETURNING clause: INSERT, UPDATE, MERGE.
functional.metacache.test_95996928  Avoid infinite wait due to non-optimum plan & use of read committed no record version transaction for DML by ISQL
functional.replication.test_blob_characters_garbled_when_conn_charset_differs  Characters are garbled when replicating fields with type BLOB SUB_TYPE TEXT if the character set of the connection and the field are different
functional.replication.test_blob_not_found_in_rw_replica_if_target_row_exists  Error "BLOB is not found" while replication converts INSERT into UPDATE for a conflicting record
functional.replication.test_blob_segments_longer_32kb_are_not_replicated  Problem with replication of BLOB segments longer than 32KB
functional.replication.test_dblevel_triggers_must_not_fire_on_replica  Replica DB must not fire DB-level triggers but their activity on master must be eventually seen in replica
functional.replication.test_ddl_triggers_must_not_fire_on_replica  DDL-triggers must fire only on master DB
functional.replication.test_disallow_rdb_backup_history_replication  Disallow replication of RDB$BACKUP_HISTORY
functional.replication.test_duplicated_segment_numbers  Replicator could produce log segments with duplicated segment numbers
functional.replication.test_duplicates_in_rw_replica_after_conflicting_insert  Conflicting INSERT propagated into a read-write replica may cause duplicate records to appear
functional.replication.test_failed_ddl_commands_can_be_replicated  Failed DDL commands can be replicated
functional.replication.test_generator_could_not_be_transferred_to_replica  Generator values may not replicate after commit
functional.replication.test_invalid_msg_if_target_db_has_no_replica_flag  Invalid message in replication.log (and possibly crash in the case of synchronous replication) when the target DB has no its "replica" flag set
functional.replication.test_make_async_reinit_reliable  Make asynchronous replica re-initialization reliable #8324
functional.replication.test_shutdown_during_applying_segments_leads_to_crash  Crash or hang while shutting down the replica database if segments are being applied
functional.replication.test_some_updates_crash_server_on_replica_side  Some updates can crash Firebird server on replica side
functional.replication.test_sync_replica_allow_spaces_in_username_or_password  Leading, trailing or inner space character specified in 'sync_replica' must not cause error
functional.replication.test_uk_violation_in_rw_repl_if_constraint_name_is_used  PK/UK violation error raises in RW replica if constraint name is used to check uniqueness instead of index name
functional.replication.test_updating_blob_with_empty_string_stops_replication  Replication gets stuck due to "Blob xxx.xx is not found for table xxx" error
functional.services.test_user_management  Check ability to make connect to FB services and add/drop user
functional.session.test_alter_session_reset  Test results of ALTER SESSION RESET
functional.table.alter.test_05  ALTER TABLE - ALTER - TO
functional.tabloid.test_dml_privileges_sufficiency  Verify sufficiency of privileges for performing DML actions. Verify that RETURNING clause can not be used without SELECT privilege.
functional.trigger.alter.test_alter_dml_basic  ALTER TRIGGER - basic checks for DML triggers
functional.trigger.database.test_transactioncommit_01  Trigger on commit transaction. See also CORE-645

This list is the same for:
6.0.0.2035 2026.06.27 f276111e  CS