Earlier quoted context omitted.
Firefox: * No CSS shaders * CSS 3D is still very buggy ( http://acko.net/#force3d ) despite the support being over a year old now. Also renders without anti-aliasing, which makes it really ugly. * Both Firebug and the built-in inspector seriously lack compared to Chrome's dev tools which has a per-frame timeline, profiler, etc. Instead they added the rather pointless 3D tilt view of the DOM which doesn't show you the…
Those are indeed features that are missing from Firefox, yes. Although several are already there in nightly builds (WebAudio, number range, for example). As I said earlier, it is easy to compile such a list from the other direction, stuff Chrome is missing. A few off the top of my head: * A wide range of ES6 features, see http://kangax.github.com/es5-compat-table/es6/ * Proper fullscreen mode (resized) * OPUS codec *…
* ES6 features? All disabled on FF19.
* OPUS codec? Who uses that? Which codecs to support is not part of any standard. Browsers are free to support what they want. But at the same time, not being able to play the most common audio and video formats seems like a far bigger issue.
* What's "proper fullscreen mode?"