There were a lot of problems getting proton to work on NTFS, but that’s only because the COMPATDATA directory must not be located on NTFS. Worked fine the moment you symlinked COMPATDATA to your ext4 drive.
There was a time, where this problem got discussed almost weekly on reddit.
I mean…Linux now has a good, mainlined NTFS driver. Sure you could use exfat, but even if you don’t plan ahead NTFS works fine nowadays
There were a lot of problems getting proton to work on NTFS, but that’s only because the COMPATDATA directory must not be located on NTFS. Worked fine the moment you symlinked COMPATDATA to your ext4 drive.
There was a time, where this problem got discussed almost weekly on reddit.