Following the release of Firefox 28 just two days ago, Mozilla today updated its Firefox Beta channel to version 29 for Windows, Mac, Linux, and Android. This is a massive release: Firefox Sync has been revamped and is now powered by Firefox Accounts, there's a new customization mode, and the major user interface overhaul Australis has finally arrived. Release notes are here: Desktop and Android."Of interest to developers: Firefox 29 will feature the first implementation of CSS3 variables. Yes, variables for CSS (15 years later).

http://news.slashdot.org/story/14/03...css3-variables