Updated to Catalina, now problems with FCPX

I was forced to update to Catalina 10.15 yesterday in order to continue using FCPX 10.4.7 -- now clips are randomly pixellating in my timeline AND in my exported videos; I tried restarting and re-exporting three times, and each version of the video is pixellating and superimposing frames of one clip over another at different times; I have no control over when this happens in the finished product. I've also tried editing from two different memory cards so I know it's not that. I am a video producer so this is affecting my livelihood!! Please help if there's a way. Thank you!!

iMac 27" 5K, macOS 10.15

Posted on Oct 23, 2019 1:10 PM

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Posted on Oct 26, 2019 6:49 PM

In case anyone has a very frustrating problem like this in the future, I got help from Apple and basically it was my Panasonic camera codecs -- while they were on the "accepted" list for Final Cut formats via the new Catalina update, the clips needed to be optimized to really work properly and not get randomly goofy. Whether done upon import or afterward, optimizing solved my problem...but I am also looking for a more compatible (Sony) camera now that Catalina has made so many changes. Anyway, thank you for the feedback!!

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Nov 6, 2019 9:39 PM in response to jimrage

Thanks very much for the info. My camera indeed shoots AVCHD, so that makes sense...optimizing seems to be the key, and I understand your frustrations. I remember some vague warnings in the past about media file guidelines changing, but didn’t think it would be this serious. It basically means I have to get a new videocamera. Anyway, thank you for sharing the insights!!

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Updated to Catalina, now problems with FCPX

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