Placed Illustrator files do not show transparency correctly on GPU Preview
When placing an .ai file with transparency, the file renders without any alpha channel at all in GPU Preview. Switch to CPU Preview, and the .ai files render correctly. Transparency should be shown in both modes, right?
iMac 27 High Sierra 10.13.6
UPDATE: Under GPU preview, I set Display Performance, Vector to Proxy, and the transparency appeared (mostly) correct. Switching the Display Performance, Vector to High Resolution resulted in the transparency not appearing. (Unless I switched to CPU Preview, which is not ideal.)