FIRMWARE UPDATE tip sizes in HW SETUP
I read that the firmware update 3.9.3- was supposed to have support for .25, .4, .6 and .8 mm hot ends I don't have .8 is there another update coming soon? when is 1 mm support coming? I print heavy-duty often.
0.8 is coming in 3.10. I don't see 1.0mm.
You can of course print any nozzle size, just ignore the warning. It's purely cosmetic.
I've printed with 0.15-1.5mm nozzles on my Mk3 for years. Those settings are just warnings and I disable them. I'm the only user of my printer and don't have issues tracking the mounted nozzle size. Notes on nozzles here.