I've recently switched to Fedora 42 with GNOME 48 after using Mint, and I'm still getting the hang of Linux. I've noticed that some Flatpak apps (installed via GNOME Software) are acting strangely due to their isolated nature. For instance, Celluloid doesn't function properly, and Microsoft Edge isn't using system fonts or recognizing locally stored resources. I had to download their RPM files or install them via the terminal, and those versions work fine. Since GNOME 48 utilizes Wayland for better scaling and visuals (I'm using 125% scaling), I'm wondering if downloading non-Flatpak versions causes issues like blurry visuals by forcing them to use X11. What's the recommended method for installing these apps, and do I need to check which version works well?
3 Answers
You can adjust Flatpak permissions with tools like Flatseal, allowing access to local files if needed. As for the X11 and Wayland question, RPM packages can indeed use Wayland too. If you’re having clarity issues with Flatpaks, it might stem from something else entirely, not just the use of X11.
For downloading software, I usually follow this order: first, try the package manager, then official RPMs, and if those aren't available, I look for Flatpak or AppImage versions. Everyone has their own preferences, but I find this approach works well. You might want to use what suits you best!
When you look for apps in GNOME Software, check the source. If it’s listed as a Fedora Flatpak, it may not have all the same codecs as the Flathub version. For multimedia apps, definitely switch the source to Flathub before installing! Regarding Microsoft Edge, the differences might be due to how the Flathub version is set up. You should also check if you have the legacy scaling option enabled—it could help with XWayland apps.

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