[ZeroGravitas]

* No patent fees.

* Wide browser support.

* High performance open source software decode available on x64 and ARM

* High performance open source software encode available, tuned for multicore cloud encoding

* default support for film grain emulation which alone can save about 30% bandwidth when content requires it.

[ku1ik]

TIL about film grain emulation. Thanks!

[astrange]

Even AVC had film grain emulation in the spec. Nobody implemented it though.

[ZeroGravitas]

AVC had a bunch of things in optional profiles, which led to spotty support, which is why I specified "default support" in my comment.