Fixed: 596720 - Enable WebGL by default (except for Linux64).
.......
希望正式版能再次fixed

GOLF-AT：这些改动已经有几天了，不是最新的。回到原帖

有些事情不是张口就来的，我跟踪 mozilla central 很长时间了。就拿 bug 61098 来说，明明 是在 2010-09-19 21:13 提交到 版本库。怎么叫好几天了？
最讨厌不懂装懂，误人子弟的。

这些改动已经有几天了，不是最新的。

Javascript
        Release of Jägermonkey, Firefox new Javascript engine
        Release of Kraken, a new browser benchmark
        SpiderMonkey JSON change: trailing commas no longer accepted
        New ES5 strict mode support, see the restrictions
    Hardware acceleration, how to help:
        Report Windows & hw acceleration bugs
        We need help for Linux (for compositing acceleration)
        And don’t forget to Install the Grafx Bot
    mozRequestAnimationFrame updated:
        60fps instead of 50fps
        Ability to pass a callback function to mozRequestAnimationFrame instead of using an event listener (if no function is passed, an event is fired instead)
    Video implementation updated
        Fire timeupdate less frequently than once per frame
        Make media progress events be simple events
    HTML5
        The spacer Element Is Gone
        HTML5 forms, complete enough to ship
    CSS
        -moz-calc is available (we didn’t keep -moz-min() and -moz-max())
        we dropped the -moz- prefix for -moz-border-radius & -moz-box-shadow
    File API:
        Export canvas to File
        url attribute of the File API had been dropped, in favor of window.createBlobURL(file) and window.revokeBlobURL(file)
    Misc:
        To fix some important bugs in Firefox 4 Beta 5, we released a Beta 6: Firefox 4 Beta 6 renamed to Beta 7
        bilinear filtering of upscaled images for Linux
        enable WebGL by default (not in Linux-x64 yet)
        SVG images can be used in a img tag and as a CSS background