Enhancements
- Added support for DNS Queries over HTTPS (DoH) (#579).
- Added info note about updating outdated cached keys potentially fixing an invalid signature error (#569).
- Added tooltips to the action buttons in the DKIM button pop-up (#569).
Fixes
- Fixed tooltip for favicon in Thunderbird 152.
- Fixed colors in options in Thunderbird 152.
Other
- Updated default rules and favicons.