Tor Browser 5.5a5 发布，此版本是个新的 Alpha 版本，现已提供在 5.5a5 distribution directory 和 alpha download page。此版本主要的改进是 Firefox 的安全更新。
此外还更新了版本：Tor (0.2.7.6), OpenSSL (1.0.1q) 和 NoScript (2.7)；修复了显示方面，SharedWorkders 相关的问题，改进了字体指纹防御。在可用性方面，提升了 about:tor 的体验。
完整改进列表：
All Platforms
Bug 16940: After update, load local change notes
Bug 16990: Avoid matching '250 ' to the end of node name
Bug 17565: Tor fundraising campaign donation banner
Bug 17770: Fix alignments on donation banner
Bug 17792: Include donation banner in some non en-US Tor Browsers
Bug 17108: Polish about:tor appearance
Bug 17568: Clean up tor-control-port.js
Translation updates
Update Firefox to 38.5.0esr
Update Tor to 0.2.7.6
Update OpenSSL to 1.0.1q
Update NoScript to 2.7
Update Torbutton to 1.9.4.2
Bug 9659: Avoid loop due to optimistic data SOCKS code (fix of #3875)
Bug 15564: Isolate SharedWorkers by first-party domain
Bug 16940: After update, load local change notes
Bug 17759: Apply whitelist to local fonts in @font-face (fix of #13313)
Bug 17747: Add ndnop3 as new default obfs4 bridge
Bug 17009: Shift and Alt keys leak physical keyboard layout (fix of #15646)
Bug 17369: Disable RC4 fallback
Bug 17442: Remove custom updater certificate pinning
Bug 16863: Avoid confusing error when loop.enabled is false
Bug 17502: Add a preference for hiding "Open with" on download dialog
Bug 17446: Prevent canvas extraction by third parties (fixup of #6253)
Bug 16441: Suppress "Reset Tor Browser" prompt
Windows
Bug 13819: Ship expert bundles with console enabled
Bug 17250: Fix broken Japanese fonts
OS X
Bug 17661: Whitelist font .Helvetica Neue DeskInterface
Tor Browser Bundle 是一个基于 Firefox ESR (Firefox with extended support) 的 Web 浏览器，默认配置通过 Tor 和 Vidalia 实现了个人隐私保护和匿名。该版本包括三个扩展：Torbutton, NoScript and HTTPS-Everywhere.
软件详情：https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/#firefoxesr38.5
下载地址：https://www.torproject.org/projects/torbrowser.html.en#downloads-alpha
来自:开源中国社区
