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Level 1

14 points

Keynote does not create transparent backgrounds anymore when exporting movies with Apple ProRes 4444

I upgraded to Catalina today. I wish I hadn't. Since then Keynote does not render any transparent backgrounds anymore when I try to export the slides as movie with Apple ProRes 4444.

This is so bloody frustrating. You want to sit down, get some work done, instead you have to deal with this stupid upgrade which took nearly 2 HOURS!!!! just to find out that afterwards you CAN'T get the work done you were planning, because of some "improvements" which were forced upon you.

How do I fix this now??!!

Why can't I download Keynote movies with transparent background anymore?

Mac OS X Server

Posted on Oct 8, 2019 9:39 AM

Best reply

kwpapke

Level 1

8 points

Posted on Oct 18, 2019 7:54 PM

I can verify that the problem happens on Catalina, Keynote 9.2. I first noticed it when importing to iMovie, a Prores 4444 video with transparent backgrounds had an opaque black background. I also verified that the same video file would render an opaque black background when reimported back into Keynote, so I concluded that it is not an iMovie problem. Here's the iMovie screen capture:

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Keynote does not create transparent backgrounds anymore when exporting movies with Apple ProRes 4444

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