M: Alembic migration pruning for unsupported Rucio versions #8594 [Dimitris]
S: Update test images to MySQL 8.4 using the new `mysql-native-password` flag #6759 [Dimitris]
XL: `session` parameter in `*_session` decorated functions is required, but effectively treated as optional #6989 child of #6986 [Dimitris, Reviewer: Martin]