You won’t find it in the main repo, there are instructions here on how to add the repo with it on F-droid:

https://www.collaboraoffice.com/tag/f-droid/

Thanks for the update!

I’ve been getting a SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data error when trying to upload an avatar, both on Jerboa and my browser. Thought I’d mention this here in case any one else was experiencing a similar issue.