Tor Release Notes

Tor Browser 16.0a4 is now available from the
Tor Browser download page
and also from our
distribution directory
.

This version includes important
security updates
to Firefox.

⚠️
Reminder
: The Tor Browser Alpha release-channel is for
testing only
. As such, Tor Browser Alpha is not intended for general use because it is more likely to include bugs affecting usability, security, and privacy.

Moreover, Tor Browser Alphas are now based on Firefox's betas. Please read more about this important change in the
Future of Tor Browser Alpha
blog post.

If you are an at-risk user, require strong anonymity, or just want a reliably-working browser, please stick with the
stable release channel
.

Send us your feedback

If you find a bug or have a suggestion for how we could improve this release,
please let us know
.

Full changelog

The
full changelog
since Tor Browser 16.0a3 is:

• All Platforms

• Updated NoScript to 13.6.6.90401984

• Updated zlib to 1.3.2

• Bug tor-browser#44663: NoScript behavior on “Safer” security level prevents integrity checks for dynamically loaded javascript

• Bug tor-browser#44675: Restore "BB 43850: Modify the Contrast Control settings for RFP" dropped during the 148.0a1 rebase

• Bug tor-browser#44679: Review Mozilla 2006066: Credit cards autofill settings are not visible

• Bug tor-browser#44680: Properly handle subdocuments created by data: URLs

• Bug tor-browser#44687: Security level requires a restart in a new profile after 148 update

• Bug tor-browser#44689: Forwardport tor-browser#44668 from legacy to alpha: Set detailsURL in update XML to be useful for 13.5 users

• Bug tor-browser#44701: Unexpected change to
  network/url-classifier/components.conf

• Bug tor-browser#44706: creating a new profiles causes crash ENOTTY

• Bug tor-browser-build#41738: Allow to specify an unsupportedURL on update responses

• Windows + macOS + Linux

• Updated Firefox to 148.0a1

• Bug tor-browser#42664: Use mozilla token sizes in CSS

• Bug tor-browser#44634: Review Mozilla 2006250: add ai window about:preferences section within ai features

• Bug tor-browser#44682: Wrong pid in the exit log

• Bug tor-browser#44709: Hide the AI settings panel

• Bug tor-browser#44710: Hide about:preferences#translations

• Bug tor-browser#44713: The about dialog is missing some padding in 148.0a1

• Bug tor-browser#44717: Search suggestion settings are visible in 148

• Windows + Linux

• Bug tor-browser-build#40892: Move torrc-defaults, geoip and geoip6 on Windows and Linux

• Windows

• Bug tor-browser#44461: Window controls are missing on Windows

• Bug tor-browser#44633: Move D3D11 function from local webrtc changes to tbb webrtc patches

• Linux

• Bug tor-browser#44394: Do not read default prefs from /etc/firefox

• Android

• Updated GeckoView to 148.0a1

• Bug tor-browser#43349: Add user feedback for when Tor connects (Android)

• Bug tor-browser#43909: Review Mozilla: TBD: new Android tab-strip feature

• Bug tor-browser#44226: Disable all link sharing functionality

• Bug tor-browser#44274: Review Mozilla 1986534: Disable screenshots in PBM

• Bug tor-browser#44469: Fix branding on Android RR

• Bug tor-browser#44506: Remove more sync from 147

• Bug tor-browser#44582: Fix or remove new settings search functionality on Android

• Bug tor-browser#44661: Restore or fix new rebase-148 uses of moz assets instead of TB ones

• Bug tor-browser#44718: Fix splash screen branding and other issues in RR

• Bug tor-browser#44721: Android build failure in nightlyOssLicensesTask: missing dependencies.json file

• Build System

• All Platforms

• Bug tor-browser-build#41690: Merge list_toolchain_updates-firefox-* commands into one

• Bug tor-browser-build#41725: Update toolchains for Firefox 148

• Bug tor-browser-build#41726: Check in list_toolchain_updates that the sha512sum we have for the macOS SDK is the same as Mozilla

• Bug tor-browser-build#41727: Split the list_toolchain_updates_checks script in two

• Bug tor-browser-build#41728: Update projects/application-services/list_toolchain_updates_checks to check nss sha256sum

• Windows + macOS + Linux

• Bug tor-browser#44406: Fix CSS linting issues introduced by 146

• Windows + Linux + Android

• Updated Go to 1.25.8

• Android

• Bug tor-browser-build#41736: Add generate_gradle_dependencies_list-$project makefile targets

• Bug tor-browser-build#41737: Remove comment from gen-gradle-deps-file.py saying var/gradle_dependencies_version should be updated

• Bug tor-browser-build#41743: Make an error if gradle-dependencies-list is missing in the input files

• Bug tor-browser-build#41744: Reduce duplication between projects/geckoview/build and projects/geckoview/build_apk

• Bug tor-browser-build#41745: Add .sh file extension to included build_* scripts in projects/geckoview

• Bug tor-browser-build#41751: Fix the NDK path

Original source Report a problem

Arti 2.1.0

Arti is our ongoing project to create a next-generation Tor implementation in Rust. We're happy to announce the latest release, Arti 2.1.0.

This release contains a lot of behind-the-scenes work on relay support and on RPC development. While Arti still cannot run as a relay, we are making good progress, and we think it will soon be ready for Arti developers to test it as a middle relay.

Additionally, we have overhauled all of Arti's configuration to use a new, derive-deftly-based approach. We believe this will make defining new configuration types easier, saving us development time in the long run.

This release also contains a number of bugfixes, cleanups, as well as improvements to our CI infrastructure.

Finally, Arti 2.1.0 increases our MSRV (Minimum Supported Rust Version) to 1.89.0, in accordance with our MSRV policy.

For full details on what we've done, including API changes, and for information about many more minor and less-visible changes, please see the CHANGELOG.

For more information on using Arti, see our top-level README, and the documentation for the arti binary.

Thanks to everybody who's contributed to this release, including Niel Duysters, Nihal, Nuhiat-Arefin, Robert Bartlensky, carti-it, hjrgrn, moumenalaoui, robertb, and sjcobb!

Also, our deep thanks to our sponsors for funding the development of Arti!

Original source Report a problem

New Release: Tails 7.5

by tails | February 26, 2026

Changes and updates

• Update Tor Browser to 15.0.7.

• Simplify the home page of Tor Browser.

• Update the Tor client to 0.4.9.5.

• Update Thunderbird to 140.7.1.

• Install Thunderbird as additional software to improve its security, if you have both the Thunderbird Email Client and Additional Software features of the Persistent Storage turned on.

Until Tails 7.5, a new version of Thunderbird was released by Mozilla only a few days after we released a new version of Tails. As a consequence, the version of Thunderbird in Tails was almost always outdated, with known security vulnerabilities.

By installing Thunderbird as additional software, the latest version of Thunderbird is installed automatically from your Persistent Storage each time you start Tails.

If the Thunderbird Migration dialog below appears when you start Thunderbird, it means that Tails successfully installed Thunderbird as additional software.

Thunderbird Migration: Tails installed Thunderbird as additional software to improve its security.

• Include the language pack for Mexican Spanish in Thunderbird in addition to the language pack for Spanish from Spain.

For more details, read our changelog.

Get Tails 7.5

To upgrade your Tails USB stick and keep your Persistent Storage

• Automatic upgrades are available from Tails 7.0 or later to 7.5.
• If you cannot do an automatic upgrade or if Tails fails to start after an automatic upgrade, please try to do a manual upgrade.

To install Tails 7.5 on a new USB stick

Follow our installation instructions:

• Install from Windows
• Install from macOS
• Install from Linux
• Install from Debian or Ubuntu using the command line and GnuPG

The Persistent Storage on the USB stick will be lost if you install instead of upgrading.

To download only

If you don't need installation or upgrade instructions, you can download Tails 7.5 directly:

• For USB sticks (USB image)
• For DVDs and virtual machines (ISO image)

Support and feedback

For support and feedback, visit the Support section on the Tails website.

Original source Report a problem

Tor Browser 15.0.7 release

Tor Browser 15.0.7 is now available from the
Tor Browser download page
and also from our
distribution directory
.

This version includes important
security updates
to Firefox.

Send us your feedback

If you find a bug or have a suggestion for how we could improve this release,
please let us know
.

Full changelog

The
full changelog
since Tor Browser 15.0.6 is:

All Platforms

• Updated NoScript to 13.5.14.1984
• Updated zlib to 1.3.2
• Bug tor-browser#44656: Rebase Tor Browser release onto 140.8.0esr
• Bug tor-browser#44681: Backport Security Fixes from Firefox 148

Windows + macOS + Linux

• Updated Firefox to 140.8.0esr

Android

• Updated GeckoView to 140.8.0esr
• Bug tor-browser#44620: Move the Android IPC directory

Original source Report a problem

Tor Browser 16.0a3 is now available from the
Tor Browser download page and also from our
distribution directory.

This version includes important
security updates
to Firefox.

⚠️Reminder: The Tor Browser Alpha release-channel is for
testing only. As such, Tor Browser Alpha is not intended for general use because it is more likely to include bugs affecting usability, security, and privacy.

Moreover, Tor Browser Alphas are now based on Firefox's betas. Please read more about this important change in the
Future of Tor Browser Alpha
blog post.

If you are an at-risk user, require strong anonymity, or just want a reliably-working browser, please stick with the
stable release channel.

Send us your feedback

If you find a bug or have a suggestion for how we could improve this release,
please let us know.

Full changelog

The
full changelog
since Tor Browser 16.0a2 is:

All Platforms

• Updated Tor to 0.4.9.5
• Updated NoScript to 13.5.12.90301984
• Bug tor-browser#44562: Set the new online Suggest prefs to false
• Bug tor-browser#44571: Disable restrict_to_adults for potential fingerprintability
• Bug tor-browser#44619: Add custom logs to Tor logs
• Bug tor-browser#44625: metamask.io won't load on Safer security level
• Bug tor-browser#44626: Propagate WASM blocking to workers
• Bug tor-browser#44647: Clean up patch for
  SearchEngineSelector.sys.mjs.
• Bug tor-browser#44652: Backport fix for Firefox Bug 2014390
• Bug tor-browser-build#41713: Try to find a component for bugs found with commits in triage spreadsheets

Windows + macOS + Linux

• Bug tor-browser#43560: Add "UTC" to the end of the timestamp on tor logs (Desktop)
• Bug tor-browser#44459: Letterboxing content alignment setting is missing styling
• Bug tor-browser#44520: Make sure "Firefox labs" is hidden by default

Windows

• Bug tor-browser#44623: 16.0a2: about:preferences#privacy is empty

Linux

• Bug tor-browser#44050: Consider changing the domain in DBus interfaces

Android

• Bug tor-browser#43403: Add "UTC" to the end of the timestamp on tor logs (Android)
• Bug tor-browser#44057: Drop about:torconnect from android
• Bug tor-browser#44620: Move the Android IPC directory
• Bug tor-browser-build#28595: Remove the need to update var/gradle_dependencies_version

Build System

All Platforms

• Bug tor-browser-build#40338: Running
  make release
  multiple times fails
• Bug tor-browser-build#41660: Add a Firefox target to build unpatched Firefox in tor-browser-build
• Bug tor-browser-build#41693: Drop base-browser targets
• Bug tor-browser-build#41720: cp -l in release/build fails when crossing file systems
• Bug rbm#40093: Make it easy to get the sha256sum of an input_files file
• Bug rbm#40103: Allow having multiple tmp_dir values

Windows + Linux + Android

• Updated Go to 1.25.7

Android

• Bug tor-browser-build#41719: Enable network when var/generate_gradle_dependencies_list is set in geckoview

Original source Report a problem

Full changelog

The full changelog since Tor Browser 15.0.5 is:

• All Platforms

  • Updated NoScript to 13.5.13.1984
  • Updated Tor to 0.4.9.5
  • Bug tor-browser#44625: metamask.io won't load on Safer security level
  • Bug tor-browser#44626: Propagate WASM blocking to workers
  • Bug tor-browser#44640: Rebase Tor Browser stable onto 140.7.1esr

• Windows + macOS + Linux

  • Updated Firefox to 140.7.1esr

• Android

  • Updated GeckoView to 140.7.1esr

• Build System

  • All Platforms
    • Bug tor-browser-build#40338: Running make release multiple times fails
    • Bug tor-browser-build#41708: relprep.py fails to update extensions when out/browser does not exist
    • Bug tor-browser-build#41720: cp -l in release/build fails when crossing file systems
  • Windows + Linux + Android
    • Updated Go to 1.24.13

Tor Browser 15.0.6 is now available from the
Tor Browser download page
and also from our
distribution directory
.

This version includes important
security updates
to Firefox.

Send us your feedback

If you find a bug or have a suggestion for how we could improve this release,
please let us know
.

Original source Report a problem

Tor Browser 16.0a2 is now available from the
Tor Browser download page
and also from our
distribution directory
.

This version includes important
security updates
to Firefox.

⚠️
Reminder
: The Tor Browser Alpha release-channel is for
testing only
. As such, Tor Browser Alpha is not intended for general use because it is more likely to include bugs affecting usability, security, and privacy.

Moreover, Tor Browser Alphas are now based on Firefox's betas. Please read more about this important change in the
Future of Tor Browser Alpha
blog post.

If you are an at-risk user, require strong anonymity, or just want a reliably-working browser, please stick with the
stable release channel
.

Finally, we would like to thank the following community members for their contributions this release:

• NoisyCoil for their fixes for
  tor-browser-build#41706

If you would like to contribute, our contributor guide can be found
here
.

Catching up With Rapid-Release

Over the past few months we have been sprinting to catch Tor Browser Alpha up with Firefox Rapid-Release. Tor Browser Alpha is now based on Firefox 147 and the rebase to Firefox 148 is
now underway
. We also have a massive head-start on our bugzilla triage and have already flagged dozens of upstream patches which we will need to
investigate further for ESR 153
.

Unfortunately (though somewhat expectedly), all this progress has introduced some bugs and blockers.

🤖 Android APK Too Big

The upstream changes from Firefox pushed us over the approximate 100 MB size limit imposed by the Google Play Store on our Android packages. To trim off some more bytes and get us under the threshold we back-ported usage of the
terser JavaScript minifier
(to reduce the size of the JavaScript source) and we now conditionally compile out preferences for unrelated platforms (i.e. we no longer ship preferences on Tor Browser Android which only affect Desktop).

This issue has been resolved in
tor-browser-build#41688
.

🛑 Websites Failed to Load

In Tor Browser 16.0a1 we discovered an intermittent issue where websites would fail to load after bootstrapping. This has a resulted in the browser being essentially unusable for a significant number of testers.

The proximal cause for this that the NoScript extension would be put to sleep and unable to respond to requests made by the browser content process. Our engineers discovered this seems to have been fallout over upstream changes around how WebExtensions interact with the browser in permanent private-browsing mode. For now, we have worked-around this bug with patches to both NoScript and Tor Browser. When we know more, we will open an issue upstream with Mozilla.

This issue has been resolved in
tor-browser#44398
.

Send us your feedback

If you find a bug or have a suggestion for how we could improve this release,
please let us know
.

Full changelog

The
full changelog
since Tor Browser 16.0a1 is:

• All Platforms

  • Updated NoScript to 13.5.11.90301984

  • Updated Tor to 0.4.9.4-rc

  • Updated OpenSSL to 3.5.5

  • Bug tor-browser#44303
    : Extension update job might never work on Android

  • Bug tor-browser#44416
    : Rebase alpha onto 147

  • Bug tor-browser#44420
    : Drop "rights" from components.conf

  • Bug tor-browser#44482
    : Script execution in Safest mode via data URI navigation

  • Bug tor-browser#44492
    : Fix python linting warnings in our test files

  • Bug tor-browser#44580
    : Registers noscript to check for updates on first run

  • Bug tor-browser-build#41676
    : Update toolchains for Firefox 147

• Windows + macOS + Linux

  • Updated Firefox to 147.0a1

  • Bug tor-browser#44289
    : RFPHelper console error when
    --toolbar-field-color
    is set to
    inherit

  • Bug tor-browser#44343
    : Hide the default browser settings again after MozBug 1969949

  • Bug tor-browser#44460
    : Payment methods and addresses setting headings are visible in settings

  • Bug tor-browser#44522
    : Move common changes to about dialog to base-browser

  • Bug tor-browser#44535
    : Letterboxing background colour is no longer used

  • Bug tor-browser#44554
    : Unlabeled AI item in tab context menu in 147

• Linux

  • Bug tor-browser#44410
    : Use system's size for UI font on Linux

• Android

  • Updated GeckoView to 147.0a1

  • Bug tor-browser#44398
    : Unable to load websites after a short amount of time on Android

  • Bug tor-browser#44469
    : Fix branding on Android RR

  • Bug tor-browser#44507
    : Drop the dependency on Sentry

  • Bug tor-browser#44523
    : New circuit seems to have disappeared from 147 on Android

  • Bug tor-browser#44532
    : Backport Bug 1967968: Minify the pdf.js code in order to improve the loading performance

  • Bug tor-browser#44533
    : Update NoScript to the version bundled with the browser on Android

  • Bug tor-browser#44591
    : TBA Alpha fails to initialize WebExtensions

• Build System

  • All Platforms

  • Bug tor-browser#44452
    : Improve tb-dev range-diff and diff-diff

  • Bug tor-browser#44498
    : Update translations CI to account for 1.0 version gap between alpha and stable

  • Bug tor-browser-build#41535
    : Update macOS and Windows containers to Debian trixie

  • Bug tor-browser-build#41664
    : Investigate and fix issue with unexpected build_id changes

  • Bug tor-browser-build#41668
    : Build mozharness.zip when building dev artifacts

  • Bug tor-browser-build#41671
    : Update tools/signing/linux-signer-sign-android-apks to check for v3 signatures instead of v1

  • Bug tor-browser-build#41678
    : Consider set -u and maybe set -o pipefail

  • Bug tor-browser-build#41682
    : relprep.py should fail when a GitHub release is not found

  • Bug tor-browser-build#41685
    : Add henry to list of taggers in relevant projects.

  • Bug tor-browser-build#41687
    : Add single
    make list_toolchain_updates
    command to list all toolchain updates

  • Bug tor-browser-build#41691
    : Update Lyrebird to v0.8.1

  • Bug tor-browser-build#41705
    : Remove unnecessary workaround in projects/go/build

  • Bug tor-browser-build#41707
    : firefox-l10n fails to build with
    fetch_locale: 1: set: Illegal option -o pipefail

  • Bug tor-browser-build#41708
    : relprep.py fails to update extensions when out/browser does not exist

  • Bug rbm#40095
    : cached checksums should not be used for input files when refresh_input is enabled

  • Bug rbm#40096
    :
    container extract
    is showing confusing error when target directory already exists

  • Bug rbm#40100
    : The GZIP variable makes set -u fail

• Windows + macOS + Linux

  • Bug tor-browser-build#41427
    : Drop the openURL property from the update

• Windows + Linux + Android

  • Updated Go to 1.25.6

• Linux

  • Bug tor-browser-build#41706
    : Bump glibc to v2.28 in the linux cross-toolchain (aarch64)

• Android

  • Bug tor-browser#44508
    : Drop clearkey also on Android

  • Bug tor-browser-build#32200
    : only include required bits of OpenSSL in Android builds

  • Bug tor-browser-build#41679
    : Android tor-expert-bundle archives missing version in filename

  • Bug tor-browser-build#41684
    : Use only the NDK as var/compiler on Android

  • Bug tor-browser-build#41688
    : 147 nightlies exceed the Play Store threshold

  • Bug tor-browser-build#41699
    : Delete prefs specific to other architectures in omni.ja

  • Bug tor-browser-build#41702
    : Replace uglifyjs with terser

Original source Report a problem

Tor Browser 15.0.5 is now available from the
Tor Browser download page
and also from our
distribution directory
.

Vietnamese Text Vandalism

A few days ago, one of our community members reported that some of the Vietnamese text translations in Tor Browser Android had been vandalised by a malicious contributor. Unfortunately, this mis-translated text ended up shipping in Tor Browser 15.0.4. These changes did not affect the browser's functionality or security properties in any way.

In addition to shipping an unscheduled release to fix this problem, we are also reviewing the processes around accepting translation updates so that something like this does not again make it into Tor Browser Stable. Our goal is to keep community contributions open and welcome, while adding safeguards where needed.

Finally, we want to thank our community of volunteer translators and in particular user
SweetSea
for reporting this issue to
our localisation developer channel (#tor-l10n)
. If you would like to help improve translations and join the community, please consider
becoming a Tor translator
!

Send us your feedback

If you find a bug or have a suggestion for how we could improve this release, please let us know
.

Full changelog

The
full changelog
since Tor Browser 15.0.4 is:

• All Platforms
  • Updated Tor to 0.4.8.22
  • Updated NoScript to 13.5.12.1984
  • Updated OpenSSL to 3.5.5
• Android
  • Bug tor-browser#44533 : Update NoScript to the version bundled with the browser on Android
• Build System
  • All Platforms
    • Bug tor-browser-build#41691 : Update Lyrebird to v0.8.1
  • Windows + Linux + Android
    • Updated Go to 1.24.12

Original source Report a problem

by ma1 | January 13, 2026

Tor Browser 15.0.4 is now available from the
Tor Browser download page
and also from our
distribution directory
.

This version includes important
security updates
to Firefox.

Send us your feedback

If you find a bug or have a suggestion for how we could improve this release,
please let us know
.

Full changelog

The
full changelog
since Tor Browser 15.0.3 is:

• All Platforms

  • Bug tor-browser#44418: Update built-in obfs4 bridges
  • Bug tor-browser#44433: Weird §:domain.com label in the Blocked Objects window
  • Bug tor-browser#44470: Rebase Tor Browser stable onto 140.7.0esr
  • Bug tor-browser#44474: Backport Security Fixes from Firefox 147
  • Bug tor-browser#44482: (H1) Script execution in Safest mode via data URI navigation

• Windows + macOS + Linux

  • Updated Firefox to 140.7.0esr

• Android

  • Updated GeckoView to 140.7.0esr
  • Bug tor-browser-build#41681: Keep public suffixes up-to-date on 140esr-based Tor Browser for Android

• Build System

  • All Platforms
    • Bug tor-browser-build#41654: Make relprep.py update Moat settings
    • Bug tor-browser-build#41682: relprep.py should fail when a GitHub release is not found
    • Bug rbm#40090: Make the cleanup faster
    • Bug rbm#40095: cached checksums should not be used for input files when refresh_input is enabled
  • Android
    • Bug tor-browser-build#41679: Android tor-expert-bundle archives missing version in filename

Original source Report a problem

Tor Browser 16.0a1 is now available from the

Tor Browser download page
and also from our
distribution directory
.

This is
the first Tor Browser Alpha release based on Firefox Rapid Release
: read more about this important change in
The Future of Tor Browser Alpha
.

This version includes important
security updates
to Firefox.

Send us your feedback

If you find a bug or have a suggestion for how we could improve this release,
please let us know
.

⚠️
Reminder
: Tor Browser Alpha release channel is for
testing only
. If you are at risk or need strong anonymity, stick with the
stable release channel
.

Full changelog

The
full changelog
since Tor Browser 15.0a4 is:

• All Platforms

  • Updated NoScript to 13.5.1.90101984
  • Bug tor-browser#43792: Determine whether noscript_persist users need to have their NoScript settings migrated
  • Bug tor-browser#43998: Rebase Tor Browser Alpha onto 141.0
  • Bug tor-browser#44118: Decide how to deal with upstream feature gates in a RR world
  • Bug tor-browser#44280: Test stream isolation
  • Bug tor-browser#44333: Add the "No AI" version of DuckDuckGo to available search engines
  • Bug tor-browser#44365: Fix CSS linting errors introduced for firefox 145
  • Bug tor-browser#44391: Restrictions cascade blocks every capability in subframes (e.g. captchas)
  • Bug tor-browser#44408: Fix TorDomainIsolator in 146
  • Bug tor-browser#44418: Update built-in obfs4 bridges
  • Bug tor-browser-build#41609: Move back to CDN77 for default snowflake bridge
  • Bug tor-browser-build#41646: Update lyrebird version to v0.7.0
  • Bug mullvad-browser#483: Add the "No AI" version of DuckDuckGo to available search engines
  • Bug mullvad-browser#487: Search engines are sorted alphabetically rather than the desired order

• Windows + macOS + Linux

  • Updated Firefox to 146.0a1esr
  • Bug tor-browser#44302: Fix the flags of some about pages
  • Bug tor-browser#44310: Default zoom always resets to 100%
  • Bug tor-browser#44411: DownloadsTorWarning.sys.mjs fails to load
  • Bug tor-browser#44419: Re-add the moz-toggle title attribute patch

• Linux

  • Bug tor-browser#44273: Restore Noto CJK as Jigmo has a too low readability
  • Bug tor-browser#44315: Font/text issue with self-upgrade window

• Android

  • Updated GeckoView to 146.0a1esr
  • Bug tor-browser#44303: Extension update job might never work on Android
  • Bug tor-browser#44324: Refactor the NSS no proxy-bypass patch on A-S to avoid -Wunreachable-code

• Build System

  • All Platforms

    • Bug tor-browser#43951: Include product with the component in triage CSVs
    • Bug tor-browser-build#40903: Make xz multi-threaded
    • Bug tor-browser-build#41445: Better handle bugzilla "Web Compatibility" issues in generate-bugzilla-triage-csv
    • Bug tor-browser-build#41607: Fix regression from #41373 in tools/count-mar-downloads
    • Bug tor-browser-build#41608: Add per-platform numbers for incrementals in count-mar-downloads
    • Bug tor-browser-build#41643: Update toolchains for Firefox 146
    • Bug tor-browser-build#41644: Self-hosted browser extensions support in relprep.py
    • Bug tor-browser-build#41647: Add a XZ_DEFAULTS to set_default_env
    • Bug tor-browser-build#41648: Add a mozconfig to projects/geckoview
    • Bug tor-browser-build#41654: Make relprep.py update Moat settings

  • Windows + macOS + Linux

    • Bug tor-browser-build#41662: Add python-zstandard to desktop containers

  • Windows + Linux + Android

    • Bug tor-browser-build#41580: Update Go major to 1.25.x
    • Updated Go to 1.25.5

  • macOS

    • Bug tor-browser-build#41665: Update macos signing wrapper for new executable gpu-helper.app

  • Linux

    • Bug tor-browser-build#41601: Upstream dropped Linux i686 support
    • Bug tor-browser-build#41627: Firefox build system needs a more recent version of OpenSSL on Linux
    • Bug tor-browser-build#41632: Ship Linux aarch64 builds in Alpha Release Channel
    • Bug tor-browser-build#41639: Remove linux-arm target
    • Bug tor-browser-build#41640: Clean the GCC config file

  • Android

    • Bug tor-browser#44360: Patch the vendored Gradle Nimbus plugin
    • Bug tor-browser#44370: Always produce target.maven.zip
    • Bug tor-browser-build#41485: Retire get_gradle_dependencies_list and create a simple way to update gradle deps
    • Bug tor-browser-build#41573: Remove Android x86 support
    • Bug tor-browser-build#41617: Pass page size to zipalign
    • Bug tor-browser-build#41620: Do not rerun zipalign when signing
    • Bug tor-browser-build#41621: Remove support using older android build tools when signing 14.5 releases in tools/signing/wrappers/sign-apk
    • Bug tor-browser-build#41628: android_ndk_version and revision can be grouped together
    • Bug tor-browser-build#41636: Update the scripts to manage Gradle dependencies
    • Bug tor-browser-build#41666: Normalize the path to tor-expert-bundle.aar
    • Bug tor-browser-build#41669: Restore UglifyJS but for Android x86_64

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