From their Twitter:
FireAlpaca 12th anniversary in this November! Thank you for your continued support! We have released FireAlpaca for Linux […] FireAlpaca for Linux is available for free download from the official website. (System requirements: Ubuntu 23.04 or later, Fedora 36 or later, Debian 12 or later.) -Download FireAlpaca for Linux firealpaca.com/download/
Man, you just don’t have this kind of insight anywhere outside of people into FOSS. Even with proprietary software ready to get into specifics and try to grok the issue. Kudos.
It’s only a wild guess, though I have seen similar issues in other projects :), but I thought it might be worth reporting it to the developer in case it’s a just a bug. I love FOSS, it’s so satisfying being able to fix (some of) my own issues instead of having to hope that the closed source devs have time and motivation to fix it for you. SteamVR for Linux is one of those projects that feel like it could be so much better if they could open source it…