Version 91 of the new Thunderbird, which was only recently introduced, has received another patch from Mozilla. The update fixes several bugs. Thunderbird users should definitely import it.
Thunderbird: 12 Bug Fixes
Manufacturer Mozilla lists twelve bug fixes for update 91.0.3. For example, folder icons can be overwritten by linked favicons in HTML messages and standard folders will not display any messages if subfolders are deleted from them. The toolbar did not always remain in the folder window after restart and the mail attachments window did not close if the OpenPGP message signature was deactivated. The list of all bug fixes can be found in the format Release Notes from Mozilla.
How to install the update
To update Thunderbird, select from the 3-line list below helps Option About ThunderbirdClick if necessary Update to version 91.0.3 and restart the program. Instead, use the appropriate download under this paragraph. This replaces the old software version – your data is preserved. If you’re still using Thunderbird 78, 68, or even 60, you won’t receive the new version 91 via the built-in update functionality – instead, depending on the platform, use one of the download links below and install the new version over the old version – your data will also be preserved with This variable: