Palm Rejection, how can I change the settings for it?

[Sabin_]

I can't find any settings for this but I have pencil mode on and still I sooooo frequently undo or rotate the canvas when I place my palm on the screen to start drawing. It's insanely frustrating but I can't find any settings for this. Am I missing something?

Thanks

[wljr]

No as far as I can tell there is no way to tweak it.  I have a similar issue mainly with undo while drawing because my knuckle bumps the screen.  The only way I can avoid it is by making a conscious effort to keep my knuckles away from the screen. This leads me to some odd hand angles when painting in some directions especially when using tilt dynamics.

[Lucky Clan]

There is no settings for that, it is just using iOS system palm rejection.
I recommend using "Pencil Only" mode if your palm adds accidental strokes.
To turn it on tap "pencil-finger" icon in the top toolbar.

You can then turn on/off 2-finger undo in Pencil Only mode (Preferences > Apple Pencil > Allow Finger Undo Gesture).