Video files uploaded to labs Commons wiki show various transcode errors:
Streamable WebM error:
http://commons.wikimedia.beta.wmflabs.org/wiki/File:Wannaworktogether.ogv
Streamable Ogg and WebM errors:
http://commons.wikimedia.beta.wmflabs.org/wiki/File:Acta_webm.webm
Low bandwidth and streamable errors for all transcoding:
http://commons.wikimedia.beta.wmflabs.org/wiki/File:2_big.ogg
Version: unspecified
Severity: major