What's new
- enable argon2 migration #6918
- set the correct (default) kdf type when creating new external users #6874
- Leaving users survey improvements #6755
- Show pq padlock symbol for sent mail, tutadb 1788 #6699
- Update DOMPurify #6932
Milestone
https://github.com/tutao/tutanota/milestone/301?closed=1
