How to fix randomly turning red audio in timeline after macOS Sequoia 15.3 and FCPX 11.01 updates?

Videos in timeline - the audios info is color red in timeline - but nothing is missing - audio is fine - its just virtually randomly turning red after Sequoia 15.3 Mac Update and FCPX 11.01



[Re-Titled by Moderator]

MacBook Pro 16″, macOS 15.3

Posted on Feb 6, 2025 11:53 AM

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Question marked as Top-ranking reply

Posted on Feb 6, 2025 12:51 PM

An easy thing to try when FCP behaves strangely is to delete its Settings. Hold Option and Command while launching FCP and choose Delete Settings. It will open the default Untitled library. Re-open the library you were working on, set the Settings back to the way you like them (disable Background rendering, etc.) and see if the issue has been resolved.


If that doesn't change the behavior, please post the exact specs of the media and what camera was used. The output of Invisor or ffprobe is good.


Is the media stored in a folder associated with iCloud Drive? Perhaps it was enabled during the 15.3 upgrade?


Paste an https://etrecheck.com report using the "Additional text" button below in your reply.

6 replies
Question marked as Top-ranking reply

Feb 6, 2025 12:51 PM in response to DaleSanchezVisuals

An easy thing to try when FCP behaves strangely is to delete its Settings. Hold Option and Command while launching FCP and choose Delete Settings. It will open the default Untitled library. Re-open the library you were working on, set the Settings back to the way you like them (disable Background rendering, etc.) and see if the issue has been resolved.


If that doesn't change the behavior, please post the exact specs of the media and what camera was used. The output of Invisor or ffprobe is good.


Is the media stored in a folder associated with iCloud Drive? Perhaps it was enabled during the 15.3 upgrade?


Paste an https://etrecheck.com report using the "Additional text" button below in your reply.

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How to fix randomly turning red audio in timeline after macOS Sequoia 15.3 and FCPX 11.01 updates?

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