Comment by hardwaresofton

This is a great point. Back when I was checking I think I was underwhelmed by the customization ecosystem for kobos but now I’m not sure what was stopping me/made me reconsider.

Upon further inspection there is also the Pine Note!

https://github.com/Quill-OS/quill

Kobo’s switch to secure boot made things harder for Quill which seemed to be the only custom OS.