7.7.3 (2026-08-10) Bug Fixes auth: make omitted arguments mean "unchanged" in UserRepository.update (#338) (bcf0eb7) auth: make omitted arguments mean "unchanged" in UserRepository.update (#338) (#339) (39af4cc) auth: return 400 and 404 instead of 500 from the access-token endpoint (1e149d2), closes #338