Bewertet mit 5 von 5 Sternen

I recently learned about this new API

which is meant to ease the migration of legacy addons to TB 78.
Maybe this is helpful for you...

Dieser Benutzer hat eine ältere Bewertung zu diesem Add-on.

Hi, I've seen the API, but even with the API it requires a significant amount of work, because of the backwards compatibility I had and the tight integration with Thunderbird with the UI and Options.
I'm working on it…