Not from the dial at the current time.
A similar question grew out of another discussion a few months ago, and it looks like you can do 0.1 increments on the iOS app, but not the android app (YET), and not from the dial on the unit.
Of course there is the question of what truly requires that level of precision, and there really isn’t much, if anything at all, that does.
Also bear in mind that if you don’t calibrate your cooker versus a NIST (in the US, not sure what other countries call their certification programs) certified & calibrated device, 0.1 or 0.5, it’s still wrong.
Here’s the discussion from a few months back. Around post 4 it starts to get into the increments,