New Release: Tor Browser 8.0a10

by boklm | August 20, 2018

Update (8/21 7:45UTC): We got reports from users facing a weird update behavior: even after successfully applying an update to 8.0a10 the updater keeps downloading and applying updates. This is tracked in bug 27221. As a workaround, please either use a fresh 8.0a10 or go to about:config, search for 8.0a9. browser.startup.homepage_override.torbrowser.version and extensions.lastTorBrowserVersion will show up. Switch their values to 8.0a10. Sorry for the inconvenience.

Tor Browser 8.0a10 is now available from the Tor Browser Project page and also from our distribution directory.

It is the second alpha release based on Firefox ESR 60 and contains a number of improvements and bug fixes. The highlights are the following features and major bug fixes:

  1. This alpha includes big changes to the user onboarding experience, and there are more to come.
  2. We included a revamped start page (special thanks to Mark and Kathy for the implementation on short notice).
  3. The meek pluggable transport should be fully functional now.
  4. We audited and enabled HTTP2 which should give performance improvements on many websites.
  5. We added another bunch of locales and ship our bundles now additionally in ca, ga-IE, id, is, and nb-NO.

For Windows users we worked around a bug in mingw-w64 which affected updates on Windows (64bit) resulting in intermittent update failures. Moreover, we finally enabled hardware acceleration for improved browser rendering performance after applying a fix for a long-standing bug, which often caused crashes on Windows systems with graphics cards, e.g. from Nvidia.

The Tor version we ship is now 0.3.4.6-rc and it would be a good time now to report client issues, noticed with this release candidate or previous alpha releases, in case they did not get fixed so far.

Known Issues

We already collected a number of unresolved bugs since Tor Browser 8.0a9 and tagged them with our ff60-esrkeyword to keep them on our radar. The most important ones are listed below:

  1. On Windows localized builds on first start the about:tor page is not shown, rather a weird XML error is visible.
  2. Maybe related to the previous item, NoScript does not seem to work properly on Windows builds right now.
  3. We are not done yet with reviewing the network code changes between ESR52 and ESR60. While we don’t expect that proxy bypass bugs got introduced between those ESR series, we can’t rule it out yet.
  4. We disable Stylo on macOS due to reproducibility issues we need to investigate and fix. This will likely not get fixed for Tor Browser 8, as we need some baking time on our nightly/alpha channel before we are sure there are no reproducibility/stability regressions. The tentative plan is to get it ready for Tor Browser 8.5.

Note: This alpha release is the second one that gets signed with a new Tor Browser subkey, as the currently used one is about to expire. Its fingerprint is: 1107 75B5 D101 FB36 BC6C  911B EB77 4491 D9FF 06E2. We plan to use it for the stable series, too, once Tor Browser 8 gets released.

The full changelog since Tor Browser 8.0a9 is:

  • All platforms
    • Update Tor to 0.3.4.6-rc
    • Update Torbutton to 2.0.2
      • Bug 26960: Implement new about:tor start page
      • Bug 26961: Implement new user onboarding
      • Bug 26321: Move ‘New Identity’, ‘New Circuit’ to File, hamburger menus
      • Bug 26590: Use new svg.disabled pref in security slider
      • Bug 26655: Adjust color and size of onion button
      • Bug 26500: Reposition circuit display relay icon for RTL locales
      • Bug 26409: Remove spoofed locale implementation
      • Bug 26189: Remove content-policy.js
      • Bug 27129: Add locales ca, ga, id, is, nb
      • Translations update
    • Update Tor Launcher to 0.2.16.2
      • Bug 26985: Help button icons missing
      • Bug 25509: Improve the proxy help text
      • Bug 27129: Add locales ca, ga, id, is, nb
      • Translations update
    • Update NoScript to 10.1.8.16
    • Update meek to 0.31
      • Bug 26477: Make meek extension compatible with ESR 60
    • Bug 27082: Enable a limited UITour for user onboarding
    • Bug 26961: New user onboarding
    • Bug 14952: Enable HTTP2 and AltSvc
      • Bug 25735: Tor Browser stalls while loading Facebook login page
    • Bug 17252: Enable TLS session identifiers with first-party isolation
    • Bug 26353: Prevent speculative connects that violate first-party isolation
    • Bug 24056: Use en-US strings in HTML forms if locale is spoofed to english
    • Bug 26456: HTTP .onion sites inherit previous page’s certificate information
    • Bug 26321: Move ‘New Identity’, ‘New Circuit’ to File, hamburger menus
    • Bug 26833: Backport Mozilla’s bug 1473247
    • Bug 26628: Backport Mozilla’s bug 1470156
    • Bug 26237: Clean up toolbar for ESR60-based Tor Browser
    • Bug 26519: Avoid Firefox icons in ESR60
    • Bug 26039: Load our preferences that modify extensions (fixup)
    • Bug 26515: Update Tor Browser blog post URLs
    • Bug 27129: Add locales ca, ga, id, is, nb
    • Bug 26216: Fix broken MAR file generation
    • Bug 26409: Remove spoofed locale implementation
    • Bug 26603: Remove obsolete HTTP pipelining preferences
  • Windows
    • Bug 26514: Fix intermittent updater failures on Win64 (Error 19)
    • Bug 26874: Fix UNC path restrictions failure in Tor Browser 8.0a9
    • Bug 12968: Enable HEASLR in Windows x86_64 builds
    • Bug 9145: Fix broken hardware acceleration
    • Update tbb-windows-installer to 0.4
      • Bug 26355: Update tbb-windows-installer to check for Windows7+
    • Bug 26355: Require Windows7+ for updates to Tor Browser 8
  • OS X
    • Bug 26795: Bump snowflake to 6077141f4a for bug 25600
  • Linux
    • Bug 25485: Unbreak Tor Browser on systems with newer libstdc++
    • Bug 20866: Fix OpenGL software rendering on systems with newer libstdc++
    • Bug 26951+18022: Fix execdesktop argument passing
    • Bug 26795: Bump snowflake to 6077141f4a for bug 25600
  • Build System
    • All
      • Bug 26410: Stop using old MAR format in the alpha series
      • Bug 27020: RBM build fails with runc version 1.0.1
      • Bug 26949: Use GitHub repository for STIX
      • Bug 26773: Add –verbose to the ./mach build flag for firefox
      • Bug 26569: Redirect pre-8.0a9 alpha users to a separate update directory
      • Bug 26319: Don’t package up Tor Browser in the `mach package` step
    • OS X
      • Bug 26489: Fix .app directory name in tools/dmg2mar
    • Windows
      • Bug 27152: Use mozilla/fxc2.git for the fxc2 repository

原文:https://blog.torproject.org/new-release-tor-browser-80a10

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