Backport mozbz#1804877 - use xdg_activation protocol and try to focus external Wayland application opened by thunderbird.
Logout Required
After installing this update it is required that you logout of
your current user session and log back in to ensure the changes
supplied by this update are applied properly.
This update has been submitted for testing by stransky.
This update's test gating status has been changed to 'waiting'.
This update's test gating status has been changed to 'passed'.
This update has been pushed to testing.
This update can be pushed to stable now if the maintainer wishes
Thunderbird is working well with IMAP, tasks and calendars.
This update has been submitted for stable by bodhi.
This update has been pushed to stable.