Changelog (v6.4.44...v6.4.45)
- bug #65686 Check the denormalized class is a Mime part in MimeMessageNormalizer (@nicolas-grekas)
- bug #65670 Fix deep_object_to_populate for collections of objects (@lazerg)
- bug #65647 Fix max depth counting for subclasses that inherit MaxDepth metadata (@oliinykdm)