Tor Browser 10.5a12 is now available from the Tor Browser Alpha download page and also from our by nickm | March 18, 2021 There's a new alpha release available for download. If you build Tor from source, you can download the source code for 0.4.6.1-alpha from the download page on the website. Packages should be available over the coming weeks, with a new alpha Tor Browser release likely next week. Remember, this is an alpha release: you should only run this if you'd like to find and report more bugs than usual. Tor 0.4.6.1-alpha is the first alpha release in the 0.4.6.x series. It improves client circuit performance, adds missing features, and improves some of our DoS handling and statistics reporting. It also includes numerous smaller bugfixes.