[FFmpeg-trac] #9086(undetermined:new): Cannot copy vp9 stream from webm to mp4

[FFmpeg]

#9086: Cannot copy vp9 stream from webm to mp4
-------------------------------------+-------------------------------------
             Reporter:  yrrqxk       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  vp9          |               Blocked By:
  av_interleaved_write_frame         |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by yrrqxk):

 Is there anything more I can do to help get this bug resolved quickly? If
 there's any information missing please say so and I'll do my best to
 provide it.

 I should also mention I had the same issue on both Linux and Windows.

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Ticket URL: <https://trac.ffmpeg.org/ticket/9086#comment:2>
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