New Release: Tor Browser 9.0a7

Tor Browser 9.0a7 is now available from the Tor Browser Alpha download page and also from our distribution directory.

Note: this is an alpha release, an experimental version for users who want to help us test new features. For everyone else, we recommend downloading the latest stable release instead.

This is the second alpha release based on Firefox ESR68. This new release contains various improvements and bug fixes. Among them, the Snowflake pluggable transport is now available on Windows too, the issue with non-reproducible builds for the 32bit Linux and Windows bundles have been fixed (we are still working on fixing the issue with the Android ones), and we added support for the x86_64 target on Android (fulfiling Google Play's new requirement for 64bit versions, allowing us to provide an x86 version again). This release also updates Tor to on desktop and on Android. Finally, this alpha release is the first one that is compatible with the upcoming new macOS version (10.15).

Known issues:

  • The build of Tor Browser 9.0a7 for Android is not reproducible right now. We plan to fix this in the next alpha release, to give the usual guarantees reproducible builds aim to provide.
  • New Identity and the bridge configuration in the browser are not easily accessible anymore as we removed the onion button. We are currently working on a replacement for both: New Identity will be exposed directly in the toolbar and the bridge configuration gets integrated in the Firefox settings. For New Identity please use the shortcut (Ctrl+Shift+U) for now or the item in the hamburger menu.
  • Tor Browser on macOS can't get closed from the app menu anymore and other app menu items are not working either.
  • We already have a number of known tickets we need to work on in the coming weeks. The most important ones are tagged with the tbb-9.0-must-alpha keyword. Moreover, we have accumulated Firefox 68 ESR related issues over the time that can easily be queried with our ff68-esr keyword.

If you find any issue with this release, please help us by reporting them so we can fix as much as we can before the first stable release based on ESR68, which is planned for October 22.

The full changelog since Tor Browser 9.0a6 is:

  • All platforms
    • Bug 30304: Browser locale can be obtained via DTD strings
    • Bug 31065: Set network.proxy.allow_hijacking_localhost to true
    • Bug 24653: Merge into torbutton.dtd
    • Bug 31725: Pick up mk in Torbutton properly
    • Bug 31164: Set up default bridge at Karlstad University
    • Bug 15563: Disable ServiceWorkers on all platforms
    • Translations update
  • Windows + OS X + Linux
    • Update Tor to
    • Update OpenSSL to 1.1.1d
      • Bug 31844: OpenSSL 1.1.1d fails to compile for some platforms/architectures
    • Update Tor Launcher to
      • Bug 31303: Do not launch tor in browser toolbox
      • Bug 31491: Clean up the old meek http helper browser profiles
      • Translations update
    • Bug 31598: Disable warning on window resize if letterboxing is enabled
    • Bug 31562: Fix circuit display for error pages
    • Bug 31575: Firefox is phoning home during start-up
    • Bug 31491: Clean up the old meek http helper browser profiles
    • Bug 26345: Hide tracking protection UI
    • Bug 31601: Disable recommended extensions again
    • Bug 30662: Don't show Firefox Home when opening new tabs
    • Bug 31457: disable per-installation profiles
    • Bug 28822: Re-implement desktop onboarding for ESR 68
    • Bug 25483: Provide Snowflake based on Pion for Windows, macOS, and Linux
  • Windows
    • Bug 30800: ftp:// on Windows can be used to leak the system time zone
  • OS X
    • Bug 30126: Make Tor Browser on macOS compatible with Apple's notarization
    • Bug 31702: Backport Mozilla's bug 1578075
  • Linux
    • Bug 31646: Update abicheck to require newer
    • Bug 31380: Snowflake does not start on older Linux systems
  • Android
    • Update Tor to
    • Bug 31192: Support x86_64 target on Android
    • Bug 30380: Cancel dormant by startup
    • Bug 30943: Show version number on mobile
    • Bug 31720: Enable website suggestions in address bar
  • Build System
    • All platforms
      • Bug 31621: Fix node bug that makes large writes to stdout fail
      • Bug 27493: Clean up mozconfig options
      • Bug 31308: Sync mozconfig files used in tor-browser over to tor-browser-build for esr68
    • Windows
      • Bug 30384: Use 64bit containers to build 32bit Windows Tor Browser
      • Bug 31538: Windows bundles based on ESR 68 are not built reproducibly
      • Bug 31584: Clean up mingw-w64 project
      • Bug 31596: Bump mingw-w64 version to pick up fix for #31567
      • Bug 29187: Bump NSIS version to 3.04
      • Bug 31732: Windows nightly builds are busted due to mingw-w64 commit bump
    • Linux
      • Bug 31448: gold and lld break linking 32bit Linux bundles
      • Bug 31618: linux32 builds of Tor Browser 9.0a6 are not matching
      • Bug 31450: Still use GCC for our ASan builds

Thanks! Interesting that #23719 is not an issue anymore. Either way, we'll have a patch there shortly to be extra sure we are not affected by that bug anymore. So, we'll close the ticket once this lands.


October 11, 2019


Probably an upstream issue, but the browser opens a download prompt when response header for RSS XML content is received, e.g.:
content-type: application/rss+xml; charset=utf-8
In comparison FF-ESR 60 (Tor Browser 8.5) display RSS XML as an HTML document that lists feed items.


October 12, 2019


Launcher Process Disabled due to failure

when you block access to registry. Nonsense!