First visible pixel in Big Sur

I’m not sure if this is a Big Sur or Xojo issue but I notice that the first visible pixel on a window in Big Sur is (1,1), rather than (0,0) in Catalina and earlier.

I’ve only test Window.paint event so far, not sure if other controls have the same issue.

No, it’s still 0,0. You can see the horizontal pixels on zero-Y when you switch to light mode.

Then I correct my statement - the first visible pixel in Dark Mode is (1,1). In Light Mode it still seems to be (0,0).


I see my windows a little (maybe 1-2 pixels) offset, did you see that too ?