* master:
1.12.1
Note where bugs were introduced
1.12.1rc1
Newsfile
Rewrite changelog
Add changelog
Only import sqlite3 when type checking
Fix another instance
Only setdefault for signatures if device has key_json
Fix starting workers when federation sending not split out.
Attempt to clarify Python version requirements (#7161)
Improve the UX of the login fallback when using SSO (#7152)
Update the wording of the config comment
Lint
Changelog
Regenerate sample config
Whitelist the login fallback by default for SSO