AppImage complained of missing libfuse.so.2 even though fuse2 and fuse3 both were installed. Here's what I did to fix the issue.

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When an AppImage fails to run with the error 'AppImages require FUSE to run' and 'error loading libfuse.so.2', the fix is to install the missing libfuse2 library and its development package. Even if fuse2 and fuse3 are both installed, the specific version required by the AppImage may be missing its dev/libs packages. On Fedora, run `sudo dnf install fuse fuse-devel`; on Ubuntu 22.04 use `sudo apt install libfuse2`; on Ubuntu 24.04+ use `sudo apt install libfuse2t64`. The key is identifying which libfuse version the AppImage is complaining about and installing the corresponding package.

Troubleshooting "AppImages require FUSE to run" on Linux