At some point they build in a filesystem check and stopped running on anything but ext4 (or btrfs?). IIRC they were constantly giving some notification as well.

At some point they build in a filesystem check and stopped running on anything but ext4 (or btrfs?). IIRC they were constantly giving some notification as well. It didn't really make sense either and I know several people moved away from Dropbox because they were using xfs. I'm using pCloud with their lifetime 1TB plan.