Im using my 8 Pro with Ubuntu. Some hickups here and there, the camera does not work, but nothing that has made me want to use Windows again (I have dual boot, but have never used it).

https://github.com/linux-surface/linux-surface

Any alternatives for Google Tasks?

Thanks for your tips :-) I have been trying both Anytype and Joplin, and might use either, but they seem to be primarly note apps not task/todo/reminder/list/priority apps.

Your first links looked interesting, so I will do some research on them.

Any iOS alternative to Google Tasks?

TLDR: «lucky» because the stewards would have given a 10 seconds penalty instead of 5 seconds if it was not the first lap.