for TB -> TB-flatpack simply pasting from ~/.thunderbird/ to ~/.var/app/org.mozilla.Thunderbird/.thunderbird/ did work for me. I might try betterbird sometime.

They are very open about that

Thank you so much for sharing your insights!

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there is also Plasma Mobile (I have no experience with either of those).

I was originally thinking more in the direction of classical desktops in the tablet/2-in1 format.

Does it already integrate with Thunderbird?

Todo: Try ShotCut

How does one “fork” a repo like this and then is proud about 100+ contributors he got? I believe they know exactly what they are doing and just don’t care.

https://twitter.com/gautam_at/status/1840455030551257284