Tor Browser 4.0.3 and 4.5a3 are out

Georg Koppen announced two new releases by the Tor Browser team. Version 4.0.3 of the privacy-preserving browser is based on Firefox 31.4.0esr, and also contains updates to NoScript, meek, and Tor Launcher.

The third release in the 4.5-alpha series allows the secure in-browser update mechanism to handle signed update files, and will reject unsigned ones from now on. It also restores functionality for meek, which was broken in previous 4.5-alpha releases, and offers other improvements and bugfixes — please see Georg’s announcement for the full changelog.

These releases contain important security updates, so users of both the stable and alpha series should upgrade as soon as possible. Furthermore, Tor Browser 4.5a3 is signed by a new Tor Browser Developers signing key rather than the personal key of an individual developer. If you want to verify your download of the new alpha (and you should!), you will need to retrieve the new key (fingerprint EF6E 286D DA85 EA2A 4BA7 DE68 4E2C 6E87 9329 8290) from a keyserver before doing so.


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