Problematic tests list (65 rows):

bugs.core_2712_test | Do not print "invalid request BLR" for par.cpp errors with valid BLR
bugs.core_2966_test | Wrong results or unexpected errors while sorting a large data set
bugs.core_3188_test | page 0 is of wrong type (expected 6, found 1)
bugs.core_4302_addi_test | Lookup (or scan) in descending index could be very inefficient for some keys
bugs.core_4302_test | Lookup (or scan) in descending index could be very inefficient for some keys
bugs.core_4819_test | EXECUTE PROCEDURE's RETURNING_VALUES and EXECUTE STATEMENT's INTO does not check validity of assignments targets leading to bugcheck
bugs.core_4880_test | Better performance of creating packages containing many functions
bugs.core_4937_test | View/subselect with "union" does not use computed index
bugs.core_5074_test | Lost the charset ID in selection of array element
bugs.core_5410_test | Dependencies are not stored when using some type of contructions in subroutines
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_5606_test | Add expression index name to exception message if computation failed
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_6300_test | Next attachment id, next statement id and some other additions [CORE-6300]
bugs.core_6336_test | Regression in FB 4.x: error "Implementation of text subtype <NNNN> not located" on attempt to use some collations defined in fbintl.conf [CORE6336]
bugs.core_6444_test | Ability to query Firebird configuration using SQL
bugs.gh_6869_test | Domain CHECK-expression can be ignored when we DROP objects that are involved in it
bugs.gh_7050_test | Add table MON$COMPILED_STATEMENTS and columns
bugs.gh_7062_test | Creation of expression index does not release its statement correctly
bugs.gh_7141_test | Services manager breaks long lines into 1023 bytes portions when using isc_info_svc_line in Service::query()
bugs.gh_7220_test | Dependencies of subroutines are not preserved after backup restore
bugs.gh_7269_test | Database restore must make every effort on activating deferred indexes
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_8661_test | Strange output from SHOW DEPENDENCIES command on 6.0
bugs.gh_8851_test | 'Internal error' when calling outer procedure after deleting unused result variable from inner procedure
bugs.gh_8946_test | PERCENTILE_CONT and PERCENTILE_DISC functions #2
functional.arno.optimizer.test_opt_inner_join_05 | INNER JOIN join order LIKE and STARTING WITH
functional.blob.test_blob_over_4gb | Check ability to operate with blob with size greater than 4Gb
functional.gtcs.test_computed_fields_13 | Computed fields
functional.replication.test_blob_access_when_no_grant_for_select | Replicator must have access to the table with blob regardless SELECT grant on this table to the user who created blob.
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_bugcheck_in_rw_replica_after_conflicting_insert | Bugcheck 183 (wrong record length) could happen on replica database after UK violation on insert
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_grantor_not_changes_in_replica_if_owner_not_sysdba | DDL-Changes in replication does not set the correct grantor
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_lookup_problems_for_intl_data_in_unique_indices | Lookup problems for INTL strings in unique indices
functional.replication.test_make_async_reinit_reliable | Make asynchronous replica re-initialization reliable #8324
functional.replication.test_missed_privilege_for_object_belonging_to_non_dba | Replication stops if GRANT issued by NON-DBA user who has RDB$ADMIN role and appropriate object (table, etc) belongs to another user
functional.replication.test_permission_error_on_ddl_issued_by_non_sysdba | Permission error with replication
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_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.session.test_ext_conn_pool_01 | External Connections Pool, functionality test 01
functional.table.alter.test_05 | ALTER TABLE - ALTER - TO
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:

6.0.0.1929 2026.04.30 4dd80eda | CS