Version 12.0 introduced swipe to hide. This is not automatic but it is definitely better than nothing for your use case? I actually prefer that over auto hide for lemmy, go back in a few minutes and you'll have more comments to read
What the fuck is this scummy marketing bullshit?
Oh wow thanks. That's exactly what I was looking for. I hope this gets used by all the community!
Well... kernel level software can access everything on your computer. That includes other partitions and unmounted drives