Problematic tests list (40 rows):

bugs.core_1715_test | Incorrect "key size exceeds implementation restriction for index" error
bugs.core_4067_test | Problem with "CREATE DATABASE ... COLLATION ..." and 1 dialect
bugs.core_4524_test | New gbak option to enable encryption during restore
bugs.core_4864_test | CREATE DATABASE fail with ISQL
bugs.core_4880_test | Better performance of creating packages containing many functions
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_5501_test | Unclear gstat's diagnostic when damaged page in DB file appears encrypted
bugs.core_5618_test | Part of the pages of the second level blobs is not released when deleting relations
bugs.core_5630_test | Can't create the shadow file
bugs.core_5790_test | User with DROP DATABASE privilege can't drop database
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_6208_test | CREATE DATABASE grant is lost in security.db after backup/restore cycle
bugs.core_6316_test | Unable to specify new 32k page size
bugs.core_6412_test | Firebird is freezing when trying to manage users via triggers
bugs.core_6441_test | Srp plugin keeps connection after database has been removed for ~10 seconds (SS and SC)
bugs.gh_6785_test | Problem when restoring the database on FB 4.0 RC1 (gbak regression)
bugs.gh_6860_test | Create user statement fails with SQLSTATE = HY000 when using DataTypeCompatibility
bugs.gh_7050_test | Add table MON$COMPILED_STATEMENTS and columns
bugs.gh_7304_test | Events in system attachments (like garbage collector) are not traced
bugs.gh_7398_test | Worst plan sort created to execute an indexed tables
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_8062_test | CREATE [IF NOT EXISTS]
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_8219_test | Database creation in 3.0.12, 4.0.5 and 5.0.1 slower than in previous releases
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_8501_test | fix(cast-format): Throw exception when value cannot be found for specific pattern in string to datetime conversion
bugs.gh_8663_test | Problem with restore time when DB has many indices (possible regression in 6.x)
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.package.test_33384b2e | Packaged temporary tables. Only `INSERT` is allowed for them in the package body units
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_disconnect_05 | ON DISCONNECT trigger and OnDisconnectTriggerTimeout expiration
functional.trigger.database.test_transactioncommit_01 | Trigger on commit transaction. See also CORE-645

This list is the same for:

6.0.0.2090 2026.07.21 eecfe010 | SS