- Updated V8 - 188.8.131.52
- Only deliver extension messages to contexts that care (96544, 76571)
- Fix scrolling of full-frame pdf docs in accelerated compositing mode (93482)
- Fixed PDF printing so headers and footers will only be added for HTML pages. (95225)
- Fix speech input keyboard shortcut (97902)
More details about additional changes are available in the svn log of all revisions.
You can find out about getting on the Beta channel here: http://dev.chromium.org/getting-involved/dev-channel.
If you find new issues, please let us know by filing a bug at http://code.google.com/p/chromium/issues/entry