Sonic Pi Flatpak graphical glitches

Hello everyone! I’m not sure if I’m opening the thread in the right section. I’m using Fedora Linux and the Flatpak version of Sonic Pi. It works quite well, but it has some annoying graphical glitches. There are often black lines crossing the window that change based on resizing the it. They don’t affect usability but are quite distracting. Is there a way to find a workaround? Has this bug been reported already?

I’m replying to myself just to point out that I encounter the same graphical glitches on other linux distributions.
At the moment I’m on Tumbleweed and I’m using the .rpm in the main repo of the distro.
Should I communicate the bug to the package mantainer?