Sonoma freezes / crashes when playbacking videos in Quicktime

After I updated to Sonoma playbacking big video files in Quicktime freezes my M1 Macbook Pro. External screen is available, but laggy and all programs are freezed and not in use. Force Quitting programs in available but doesn't fix the freeze. Only way around is to hard boot.


Plz fix this asap.


PS. Thinking going back to Ventura if Sonoma is too buggy to use.

MacBook Pro (M1, 2020)

Posted on Oct 5, 2023 4:33 AM

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Posted on Dec 12, 2023 3:51 AM

Unfortunately the bug is still present with Sonoma 14.2. In my case I have a Samsung 4K TV connected as a second monitor to my Mac Mini. After some time running a mp4 file with Quicktime everything freezes. As soon as I remove the connection to the TV the freezing stops. Notes: (1) the TV doesn't even need to be on: only connected. (2) The TV is connected via HDMI (no USB-C to HDMI adaptor). The first monitor (DELL 4K)is connected via USB-C to Display-port cable.

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Sonoma freezes / crashes when playbacking videos in Quicktime

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