Enabling SVG Animation:
In r31334 we enabled the SVG Animation support that has already been in the engine for a while but has not been enabled by default so far.
We added the ElementTimeControl interface that is part of the SVG Animation specification.
Optimizing Page Loading in the Web Browser
It is well understood that page loading speed in a web browser is limited by the available connection bandwidth.
WebKit Hits 93/100 in Acid3
This one didn’t actually involve any code changes.