Version 4.0 of the Tor Browser is now available. “The primary user-facing change since the 3.6 series is the transition to Firefox 31-ESR. More importantly for censored users who were using 3.6, the 4.0 series also features the addition of three versions of the meek pluggable transport. In fact, we believe that both meek-amazon and meek-azure will work in China today, without the need to obtain bridge addresses.“
Read more at LWN