Pipe

I'm not sure you'll find anyone that will care, other than developers of the respective projects. One fork being replaced by another nearly-identical fork in one distro... both work fine, and the trivial differences are unlikely noticeable to end users.

Not voting it down, because it's mildly interesting to me, but only because I happen to know several of the people involved. The discussion could turn into an interesting flame-war. While the libav guys had a couple legitimate complaints, I must agree with and confirm most everything gabu (angrily) said: http://lwn.net/Articles/424050/