Tor Browser 5.0a3 发布，相对于之前的 5.0a2 版本，此次更新内容如下：
All Platforms
Bug 16428: Use internal update URL to block updates (instead of
127.0.0.1)
Bug 15145: Visually distinguish "proxy" and "bridge" screens.
Translation updates
Bug 16403: Set search parameters for Disconnect
Bug 14429: Make sure the automatic resizing is enabled
Bug 16427: Use internal update URL to block updates (instead of
127.0.0.1)
Bug 16200: Update Cache API usage and prefs for FF38
Bug 16357: Use Mozilla API to wipe permissions db
Translation updates
Update Firefox to 38.1.0esr
Update OpenSSL to 1.0.1o
Update NoScript to 2.6.9.27
Update meek to 0.20
Update Torbutton to 1.9.3.0
Update Tor Launcher to 0.2.6.7
Bug 16430: Allow DNS names with _ characters in them (fixes
nytimes.com) (Tor patch backport)
Bug 13247: Fix meek profile error after bowser restarts
Bug 16397: Fix crash related to disabling SVG
Bug 16403: Set search parameters for Disconnect
Bug 16446: Update FTE bridge #1 fingerprint
Bug 15646: Prevent keyboard layout fingerprinting in KeyboardEvent
Bug 16005: Relax WebGL minimal mode
Bug 16300: Isolate Broadcast Channels to first party
Bug 16439: Remove Roku screencasting code
Bug 16285: Disabling EME bits
Bug 16206: Enforce certificate pinning
Bug 13670: Isolate OCSP requests by first party domain
Bug 16448: Isolate favicon requests by first party
Bug 7561: Disable FTP request caching
Bug 6503: Fix single-word URL bar searching
Bug 15526: ES6 page crashes Tor Browser
Bug 16254: Disable GeoIP-based search results
Bug 16222: Disable WebIDE to prevent remote debugging and addon
downloads.
Bug 13024: Disable DOM Resource Timing API
Bug 16340: Disable User Timing API
Bug 14952: Disable HTTP/2
Mac OS
Use OSX 10.7 SDK
Bug 16253: Tor Browser menu on OS X is broken with ESR 38
Build System
Bug 16351: Upgrade our toolchain to use GCC 5.1
Bug 15772 and child tickets: Update build system for Firefox 38
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://blog.torproject.org/blog/tor-browser-50a3-released
下载地址：http://sourceforge.net/projects/torbrowser/files/
来自:开源中国社区
