I have found another workaround that's not posted here, maybe it helps someone. When I georeference a tiff and click update georeferencing on the toolbar a .tfwx worldfile is created, but the image appears back in it's original location. If I then change the file extension .tfwx to .tfw (the old worldfile extension) and re-add the tiff to the map it will be in the correct location. I have no idea why this works, but honestly by the time I figured it out I didn't care anymore. Good luck!
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