Convert The Spire Reborn v13.2.1: Open-source YouTube downloader and media player. Looking for Linux testers!

Hey r/linux, I just released v13.2.1 of my GPLv3 open-source app, Convert The Spire Reborn. It is a local-first YouTube downloader and media player. I am specifically looking for Linux users to test the native build. The app is rock-solid on Windows. I have fully tested it on two different PCs, including older hardware, and it smoothly handles...