In this release:
- Code refactoring #586
- Add record comment feature #598
- Add global search feature #599
- Add session timeout warning feature #610
- Add Azure OAuth support #591
- Adjustment in the domain's record applying #604
- Adjustment in History feature
- Adjustment in Dockerfile #607
- Drop PDNS 3.x support #604
- Drop avatar uploading feature
- SAML fixes and enhancement #605 #612
- Bug fixes