(This issue was fixed in the latest VRChat release, no need to reply.)
For some unknown reason, after i boot up VRChat, the cursor is invisible on the screen with the “go” button (i have that setting enabled), but after that the cursor returns to normal and is properly visible, even if the “go” screen appears again in the same session. Very strange behavior, i have no idea why this happens, but it is consistent and always appears on this one screen when first booting and nowhere else. I am on the latest early access/beta build, so maybe it is exclusive to that build.