I'm tied up until mid next week, but will take a look as soon as I can.  Do you have a URL which I can use to reproduce the issue?

On September 27, 2024 8:52:29 AM PDT, not emma <bigbookofbug@proton.me> wrote:
>hi,
>
>This librewolf update has caused some codecs issues, specifically when attempting to play live videos, i receive the following:
>```
>[Child 5108, MediaDecoderStateMachine #1] WARNING: Decoder=7f0ea3b7b700 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - Error no decoder found for audio/mp4a-latm: file /tmp/guix-build-librewolf-130.0.1-1.drv-0/librewolf-130.0.1-1/dom/media/MediaDecoderStateMachineBase.cpp:167
>
>```
>
>i used guix time-machine to run version 129.0.1-1, and do not encounter this issue
>
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