With 16.04, I'm using the default bundled nautilus version. With 18.04, I think nautilus lost some functionality. I haven't switched to 18.04 yet though. So I d

With 16.04, I'm using the default bundled nautilus version. With 18.04, I think nautilus lost some functionality. I haven't switched to 18.04 yet though. So I don't know how serious it is. I don't use the file manager too heavily. You can switch to nemo, dolphin or caja if it works better for you. Not sure how nicely they all play with Unity. There was a patched nemo version for Unity 7.