AI Rendering
AI image creator ..generate, download, drag / drop into CANVAS
Safari IOS : for best results use these Settings ;
    ..hit "aA" in address bar > "Hide Toolbar"
    ..or, use "Share Options" icon > "Add to Home Screen"
Apple Pencil Misbehaving?
    ..Settings > Apple Pencil > Scribble > OFF
    ..Unscrew & Rescrew the nib
Some Older Ipads (Shadow or Depth-of-Field artifacts)
    ..Settings > Safari > Advanced > Experimental Features > WebGL via Metal > OFF
Handy Chrome Extension to always replace download poses
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hit "aA" in address bar > "Hide Toolbar"
OR "Share Options" icon > "Add to Home Screen"
..or select yourself to start one