RSI Launcher never ends to install

[alohl669]

RSI Launcher never ends to install

ubuntu 20.04
V flatpak

[Hyask]

Same here. I killed all the related process, and Bottle successfully detected it:

However, when running it, the launcher only displays a white rectangle:

Please note that I can interact with it, by clicking at the right places, it's just hard to target them, but the cursor correctly changes when hovering the various widgets and buttons.

Fedora 36 with Flatpak