Try View > Preview on CPU
THANKYOUU SOOOOOO MUCH. IT RESOLVED....
What can we fix in Illustrator (desktop)? Vote or report a bug. Bug title. (thinking ... Since the last update it already happened twice, and I am mad as ....Illustrator strips out XMP metadata when exporting PNGs ... Go again to the artboard and press File > Save for web ... Please revert back if you are facing this even now.