Some files worked...others not...but I think it's a muxing problem...but for now I cant try your WebM compatible beta anymore.
The reason is because I am editing some avi and mkv videos with 2 tracks audio...your WebM beta ( 3.3 ) still crashes when I change the audio track...I reported this bug weeks ago and you made a new 3.2 beta solving the issue...but your 3.2 beta hasnt WebM support...so I cant try the new feature anymore...I hope you could merge your 3.3 beta with the new 3.2 beta...thank you in advance for your support!