Problematic tests list (4 rows):

bugs.core_0203_test | CREATE VIEW ignores PLAN
bugs.core_1802_test | Maximum key size using PXW_CSY collation
bugs.gh_6875_test | Significant performance regression of SIMILAR TO and SUBSTRING(SIMILAR) when pattern is taken from variable (rather than directly specified)
bugs.gh_7141_test | Services manager breaks long lines into 1023 bytes portions when using isc_info_svc_line in Service::query()

This list is the same for:

5.0.3.1675 2025.06.27 1bb2c1e3 | SS