The Burning Edge » Blog Archive » Firefox Nightly 21, weeks 1-6

Speed & memory: Fixed: 784591 - Don't leave around decoded image data for display: none images. Fixed: 836010 - When startup is determined to be slow, tell users about ways to improve their startup time. Fixed: 823147 - Avoid hitting D2D slow path when drawing radial gradients from css. Fixed: 821361 - JS: Optimize closures that only run once. Fixed: 807853 - JS: Add parallel compilation mode. Fix

[Rockridge]

Fx21：パフォーマンス面で大きな進展はない。他方、WebRTCの実装がほぼ完了し、H.264の動画再生が可能となり、DNTも新しいUIが加わるなど、注目すべき点は多い。