Tor Browser 4.5

Tor Browser 4.5a3 released

The third alpha release of the 4.5 series is available from the extended downloads page and also from the distribution directory. Tor Browser 4.5a3 is based on Firefox ESR 31.4.0, which features important security updates to Firefox. Its updater now contains the code for verifying signed update files and does not accept unsigned ones anymore. Moreover, this release includes an updated Tor,, an updated meek, 0.15, which is now working again, and a bunch of additional improvements and bugfixes.