A new release for the stable Tor Browser is available from the Tor Browser Project page and also from our distribution directory.
Tor Browser 4.0.3 is based on Firefox ESR 31.4.0, which features important security updates to Firefox. Additionally, it contains updates to meek, NoScript and Tor Launcher.
Here is the changelog since 4.0.2:
Update Firefox to 31.4.0esr
Update NoScript to 188.8.131.52
Update meek to 0.15
Update Tor Launcher to 0.2.7.0.2
Translation updates only