LAN mode still works on my A1 & I can access it from Orca Slicer just fine.

I've been unable to connect Orca Slicer to my A1 mini over LAN and I'm led to believe that as a result of that firmware update it is impossible. It's possible something else went wrong and I just gave up because of a misunderstanding I guess?

Are you sure you aren't just running older firmware (my A1 mini is a recent acquisition)?

Same on my P1S. LAN mode doesn't even attempt to call home at all either, I've checked my logs. And even if you're super paranoid you can always walk an SD Card to the printer.