6.5a1-hardened 改进日志如下：
All Platforms
Bug 18947: Tor Browser is not starting on OS X if put into /Applications
Bug 18743: Pref to hide 'Sign in to Sync' button in hamburger menu
Bug 18905: Hide unusable items from help menu
Bug 17599: Provide shortcuts for New Identity and New Circuit
Bug 18980: Remove obsolete toolbar button code
Bug 18238: Remove unused Torbutton code and strings
Translation updates
Code clean-up
Update Firefox to 45.2.0esr
Update Tor to 0.2.8.3-alpha
Update Torbutton to 1.9.6
Update Tor Launcher to 0.2.8.5
Update HTTPS-Everywhere to 5.1.9
Update meek to 0.22 (tag 0.22-18371-3)
Bug 19121: The update.xml hash should get checked during update
Bug 12523: Mark JIT pages as non-writable
Bug 19193: Reduce timing precision for AudioContext, HTMLMediaElement, and MediaStream
Bug 19164: Remove support for SHA-1 HPKP pins
Bug 19186: KeyboardEvents are only rounding to 100ms
Bug 18884: Don't build the loop extension
Bug 19187: Backport fix for crash related to popup menus
Bug 19212: Fix crash related to network panel in developer tools
Bug 18703: Fix circuit isolation issues on Page Info dialog
Bug 19115: Tor Browser should not fall back to Bing as its search engine
Bug 18915+19065: Use our search plugins in localized builds
Bug 19176: Zip our language packs deterministically
Bug 18811: Fix first-party isolation for blobs URLs in Workers
Bug 18950: Disable or audit Reader View
Bug 18886: Remove Pocket
Bug 18619: Tor Browser reports "InvalidStateError" in browser console
Bug 18945: Disable monitoring the connected state of Tor Browser users
Bug 18855: Don't show error after add-on directory clean-up
Bug 18885: Disable the option of logging TLS/SSL key material
Bug 18770: SVGs should not show up on Page Info dialog when disabled
Bug 18958: Spoof screen.orientation values
Bug 19047: Disable Heartbeat prompts
Bug 18914: Use English-only label in
Bug 18996: Investigate server logging in esr45-based Tor Browser
Bug 17790: Add unit tests for keyboard fingerprinting defenses
Bug 18995: Regression test to ensure CacheStorage is disabled
Bug 18912: Add automated tests for updater cert pinning
Bug 16728: Add test cases for favicon isolation
Bug 18976: Remove some FTE bridges
Linux
Bug 19189: Backport for working around a linker (gold) bug
Build System
Bug 18333: Upgrade Go to 1.6.2
Bug 18919: Remove unused keys and unused dependencies
Bug 18291: Remove some uses of libfaketime
Bug 18845: Make zip and tar helpers generate reproducible archives
All PLatforms
6.5a1-hardened 下载地址：https://www.torproject.org/projects/torbrowser.html.en#downloads-hardened
6.0.1 改进日志如下：
All Platforms
Update Firefox to 45.2.0esr
Bug 18884: Don't build the loop extension
Bug 19187: Backport fix for crash related to popup menus
Bug 19212: Fix crash related to network panel in developer tools
Linux
Bug 19189: Backport for working around a linker (gold) bug
6.0.1下载地址：https://www.torproject.org/download/download-easy.html
来自:开源中国社区