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[tor-commits] [Git][tpo/applications/tor-browser][tor-browser-140.7.0esr-15.0-1] 250 commits: Bug 1961829 - Only color HTTP(S) URIs and fallback to coloring the host in...

Title: GitLab

ma1 pushed to branch tor-browser-140.7.0esr-15.0-1 at The Tor Project / Applications / Tor Browser

Commits:

  • b1c83612
    by Michel Le Bihan at 2026-01-07T09:48:08+01:00 
    Bug 1961829 - Only color HTTP(S) URIs and fallback to coloring the host in Android toolbar URLRenderer. r=tthibaud,android-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D248132
  • 190e1b70
    by Michel Le Bihan at 2026-01-07T09:48:08+01:00 
    Bug 1961757 - Set text direction in Android toolbar instead of adding directional marks. r=tthibaud,android-reviewers,petru

Differential Revision: https://phabricator.services.mozilla.com/D246181
  • 79bfd6a2
    by Michel Le Bihan at 2026-01-07T09:48:09+01:00 
    Bug 1812898 - Part 1: Add domain alignment in Android toolbar component. r=tthibaud,android-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D244508
  • 3858590c
    by Michel Le Bihan at 2026-01-07T09:48:09+01:00 
    Bug 1812898 - Part 2: Enable domain highlighting in Fenix toolbar. r=tthibaud,android-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D244509
  • ab7eaabf
    by mimi89999 at 2026-01-07T09:48:09+01:00 
    Bug 1964251 - Replace logic of RegistrableDomain renderStyle in Android toolbar component. r=android-reviewers,petru

Differential Revision: https://phabricator.services.mozilla.com/D251501
  • 3bbe6866
    by Michel Le Bihan at 2026-01-07T09:48:10+01:00 
    Bug 1969937 - Add handling of blob URIs in Android toolbar URLRenderer. r=petru,android-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D252879
  • c8d36295
    by Cathy Lu at 2026-01-07T09:48:10+01:00 
    Bug 1791322 - iframe sandbox wpt tests modified with delay r=nika

Differential Revision: https://phabricator.services.mozilla.com/D253052
  • e09d306c
    by Cathy Lu at 2026-01-07T09:48:10+01:00 
    Bug 1791322 - GeckoView should call classifyDownloads to sandbox downloads r=geckoview-reviewers,nika

Differential Revision: https://phabricator.services.mozilla.com/D249683
  • d0bca7d4
    by Andreas Pehrson at 2026-01-07T09:48:11+01:00 
    Bug 1971116 - For global mute events, iterate on copies of containers. r=dbaker

Mute/unmute events are fired synchronously to content, which if it stops an
(event target) track in the event handler, may call back into and mutate the
containers we're iterating over.

Differential Revision: https://phabricator.services.mozilla.com/D254352
  • 9db5434c
    by Tom Schuster at 2026-01-07T09:48:11+01:00 
    Bug 1971704 - Cleanup nsContentSecurityUtils::ClassifyDownload. r=smaug

Differential Revision: https://phabricator.services.mozilla.com/D253491
  • c1f71b6b
    by Tom Schuster at 2026-01-07T09:48:11+01:00 
    Bug 672618 - Don't execute _javascript_: URLs on CTRL+click, middle-click etc. r=dao

Differential Revision: https://phabricator.services.mozilla.com/D256648
  • 0e327fc1
    by Tom Schuster at 2026-01-07T09:48:12+01:00 
    Bug 1701974 - Use x-kde-passwordManagerHint when copying private data to the clipboard. r=stransky

Differential Revision: https://phabricator.services.mozilla.com/D256781
  • 6664af69
    by Fatih Kilic at 2026-01-07T09:48:12+01:00 
    Bug 1973265 - Put WebCodecs API behind RFP Target. r=tjr,webidl,smaug

Differential Revision: https://phabricator.services.mozilla.com/D254549
  • ef42f41e
    by John M. Schanck at 2026-01-07T09:48:12+01:00 
    Bug 1989986 - enable mlkem768x25519 in beta and release on Android. r=nkulatova

Differential Revision: https://phabricator.services.mozilla.com/D265640
  • 7a733e68
    by Pier Angelo Vendrame at 2026-01-07T09:48:13+01:00 
    Bug 1987183 - Automatically check the addon PBM checkbox when in always-on PBM. r=robwu

Differential Revision: https://phabricator.services.mozilla.com/D263934
  • 9e5e17a2
    by Pier Angelo Vendrame at 2026-01-07T09:48:13+01:00 
    Bug 1990520 - Remove a console.error that could be too noisy in certain configurations. r=sessionstore-reviewers,sthompson

Differential Revision: https://phabricator.services.mozilla.com/D266034
  • ceed81aa
    by Fatih Kilic at 2026-01-07T09:48:13+01:00 
    Bug 1984333 - Spoof CPU cores to 4, or 8 if the machine has 8+ cores. r=timhuang

Differential Revision: https://phabricator.services.mozilla.com/D261936
  • 3b912b9c
    by Jeff Boek at 2026-01-07T09:48:14+01:00 
    Bug 1818679 - Decide when to call GeckoView r=necko-reviewers,valentin

Differential Revision: https://phabricator.services.mozilla.com/D261670
  • 718e6a0e
    by Valentin Gosu at 2026-01-07T09:48:14+01:00 
    Bug 1881258 - Make HTML mimesniffing match the spec r=necko-reviewers,jesup,devtools-reviewers,nchevobbe

Differential Revision: https://phabricator.services.mozilla.com/D255120
  • 1f58f130
    by Rhodwell Malicdem at 2026-01-07T09:48:14+01:00 
    Bug 1980808 - Show search toolbar after returning to Firefox r=android-reviewers,skhan

Differential Revision: https://phabricator.services.mozilla.com/D260395

Resolved conflict in mobile/android/fenix/app/src/main/java/org/mozilla/fenix/browser/BaseBrowserFragment.kt
  • 295dc194
    by Pier Angelo Vendrame at 2026-01-07T09:48:15+01:00 
    Bug 1987600 - Add origin attributes to OpenSearch. r=search-reviewers,Standard8

Differential Revision: https://phabricator.services.mozilla.com/D265878
  • ab63d36c
    by Emma Zuehlcke at 2026-01-07T09:48:15+01:00 
    Bug 1665334, r=mconley,fluent-reviewers,bolsson

Differential Revision: https://phabricator.services.mozilla.com/D257293
  • 6d82f818
    by Makoto Kato at 2026-01-07T09:48:16+01:00 
    Bug 1974025 - Check scheme into Intent data. r=geckoview-reviewers,tcampbell,nalexander a=RyanVM

Differential Revision: https://phabricator.services.mozilla.com/D256952
  • ceebba99
    by Pier Angelo Vendrame at 2026-01-07T09:48:16+01:00 
    Bug 1993166 - Improve origin attributes on opensearch. r=Standard8,urlbar-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D268183
  • 0b39c4d8
    by Fatih Kilic at 2026-01-07T09:48:16+01:00 
    Bug 1977787 - Match storage limit to common value/desktop for RFP in Android. r=timhuang

Differential Revision: https://phabricator.services.mozilla.com/D257850
  • f52a9192
    by Maurice Dauer at 2026-01-07T09:48:17+01:00 
    Bug 1419501 - Part 1: Add `dom.security.framebusting_intervention.enabled` pref, r=maltejur

Differential Revision: https://phabricator.services.mozilla.com/D254677
  • 3594b4cb
    by Maurice Dauer at 2026-01-07T09:48:17+01:00 
    Bug 1419501 - Part 2: Rename existing user-facing popup related strings, r=fluent-reviewers,bolsson,Gijs

Differential Revision: https://phabricator.services.mozilla.com/D254678
  • 0580ec10
    by Maurice Dauer at 2026-01-07T09:48:17+01:00 
    Bug 1419501 - Part 3: Introduce `RedirectBlockedEvent`, r=maltejur,webidl,frontend-codestyle-reviewers,smaug

Differential Revision: https://phabricator.services.mozilla.com/D254679
  • 7780c9ab
    by Maurice Dauer at 2026-01-07T09:48:18+01:00 
    Bug 1419501 - Part 4: Implement framebusting intervention, r=fluent-reviewers,desktop-theme-reviewers,tabbrowser-reviewers,bolsson,edgar,mstriemer,sfoster,sthompson,emz

Differential Revision: https://phabricator.services.mozilla.com/D254680
  • 5ff13768
    by Maurice Dauer at 2026-01-07T09:48:18+01:00 
    Bug 1419501 - Part 5: Framebusting intervention browser tests, r=maltejur,frontend-codestyle-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D259046
  • 7094ca75
    by Malte Jürgens at 2026-01-07T09:48:18+01:00 
    Bug 1419501 - Expand web-platform tests for preventing iframes from navigating their top window r=mdauer

Differential Revision: https://phabricator.services.mozilla.com/D251179
  • f95dd455
    by Mike Conley at 2026-01-07T09:48:19+01:00 
    Bug 1880634 - Use chrome-only dispatch for the MozTogglePictureInPicture event. r=niklas

Differential Revision: https://phabricator.services.mozilla.com/D202063
  • 6dab0f3e
    by Nika Layzell at 2026-01-07T09:48:19+01:00 
    Bug 1987977 - Add extra fd validation to ChannelPosix, r=ipc-reviewers,jld

Every attached FD has a guaranteed 4 bytes of payload, so this check
should be redundant unless a message payload is manually constructed or
corrupted.

Differential Revision: https://phabricator.services.mozilla.com/D265038
  • 07d5cfbb
    by Jamie Nicol at 2026-01-07T09:48:19+01:00 
    Bug 1941154 - Use shader to clear alpha targets on Adreno 510.  a=diannaS DONTBUILD

Recent refactoring of render target initialization caused stale
contents of alpha render targets to be used as clip masks instead of
valid masks on Adreno 510 devices. Presumably we were fortunate not to
be hitting this previously, and it was regressed by a subtle
accidental behavioural change introduced by the refactor. Using quads
to clear alpha targets appears to be the most robust way of avoiding
it.

Original Revision: https://phabricator.services.mozilla.com/D260105

Differential Revision: https://phabricator.services.mozilla.com/D260301
  • b229a8a1
    by Tom Ritter at 2026-01-07T09:48:20+01:00 
    Bug 1999126: Hide the value of the pdfjs pref from being disabled when RFP is enabled r=timhuang

Differential Revision: https://phabricator.services.mozilla.com/D272930
  • c15104f6
    by Pier Angelo Vendrame at 2026-01-07T09:48:20+01:00 
    Bug 1985996 - Check spoof english in XMLPrettyPrinter. r=eemeli,smaug

Differential Revision: https://phabricator.services.mozilla.com/D263100
  • d49615f9
    by Fatih Kilic at 2026-01-07T09:48:20+01:00 
    Bug 1977576 - Pass JSContext to VideoFrame::PrefEnabled in more places. r=manuel,chunmin,tjr

Differential Revision: https://phabricator.services.mozilla.com/D257488
  • ab8ead16
    by Beatriz Rizental at 2026-01-07T09:48:21+01:00 
    BB 43843: Do not bootstrap MacOS packaging tools if available

Do not bootstrap MacOS packing tools if they are already available in
the environment. This can be uplifted.
  • 1cffd1b0
    by Henry Wilkes at 2026-01-07T09:48:21+01:00 
    BB 41454: Move focus after calling openPreferences for a sub-category.

Temporary fix until mozilla bug 1799153 gets a patch upstream.
  • df928616
    by Henry Wilkes at 2026-01-07T09:48:21+01:00 
    BB 43072: Add aria label and description to moz-message-bar.

Ensures that moz-message-bar, including notifications, are announced on
Orca.

This addresses upstream bugzilla bug 1895857 and should likely be
replaced when it is fixed.
  • 51fd0cb5
    by Henry Wilkes at 2026-01-07T09:48:22+01:00 
    BB 42739: Use the brand name for profile error messages.

Some messages in profileSelection.properties use gAppData->name as
variable inputs. However, gAppData->name is still "Firefox" for our
base-browser builds, rather than the user-facing browser name. We swap
these instances with the displayed brand name instead.
  • 27356299
    by Henry Wilkes at 2026-01-07T09:48:22+01:00 
    BB 41483: Remove the firefox override for appstrings.properties

Remove this patch after upstream bugzilla bug 1790187
  • 0479fb7f
    by Sukhbir Singh at 2026-01-07T09:48:23+01:00 
    BB 44167: Don't build the uninstaller for Windows during Firefox compilation
  • 23326752
    by Marco Simonelli at 2026-01-07T09:48:23+01:00 
    BB 41459: WebRTC fails to build under mingw (Part 1)

- properly define NOMINMAX for just MSVC builds
  • 053e8dc4
    by Marco Simonelli at 2026-01-07T09:48:23+01:00 
    BB 41459: WebRTC fails to build under mingw (Part 2)

- fixes required to build third_party/libwebrtc
  • 09f2d91e
    by Marco Simonelli at 2026-01-07T09:48:24+01:00 
    BB 41459: WebRTC fails to build under mingw (Part 3)

- fixes required to build third_party/sipcc
  • 3002403b
    by Marco Simonelli at 2026-01-07T09:48:24+01:00 
    BB 41459: WebRTC fails to build under mingw (Part 4)

- fixes requried to build netwerk/sctp
  • c5e51264
    by Marco Simonelli at 2026-01-07T09:48:24+01:00 
    BB 41459: WebRTC fails to build under mingw (Part 5)

- fixes required to build dom/media/webrtc
  • eea96230
    by Marco Simonelli at 2026-01-07T09:48:25+01:00 
    BB 41459: WebRTC fails to build under mingw (Part 6)

- fixes required to build dom/media/systemservices
  • a7dad6c9
    by june wilde at 2026-01-07T09:48:25+01:00 
    BB 42758: Fix WebRTC build errors.
  • 3736824b
    by hackademix at 2026-01-07T09:48:25+01:00 
    BB 41854: Allow overriding download spam protection.
  • 77e61152
    by hackademix at 2026-01-07T09:48:26+01:00 
    BB 42832: Download spam prevention exemption for browser extensions.
  • 28f008df
    by Pier Angelo Vendrame at 2026-01-07T09:48:26+01:00 
    BB 42220: Allow for more file types to be forced-inline.

Firefox allows to open some files in the browser without any
confirmation, but this will result in a disk leak, because the file will
be downloaded to the temporary directory first (and not deleted, in some
cases).
A preference allows PDFs to be opened without being downloaded to disk.
So, we introduce a similar one to do the same for all the files that are
set to be opened automatically in the browser, except svg and html files
to prevent XSS hazards (see BB 43211).
  • 79db9211
    by hackademix at 2026-01-07T09:48:26+01:00 
    BB 42835: Create an actor to filter file data transfers
  • f0b899ca
    by Pier Angelo Vendrame at 2026-01-07T09:48:27+01:00 
    BB 44103: Remove ref-names from attr's .git_archival.txt.

The currently vendored copy of python-attrs's .git_archival.txt
includes a ref-names field which might make source tarballs not
reproducible.
Upstream fixed this in da2333cd37747d692d5c78b0c94bd400ff883a9a,
therefore we apply the same change until Mozilla vendors an updated
copy of python-attrs.

See also https://bugzilla.mozilla.org/show_bug.cgi?id=1980103.
  • 98e5f17f
    by hackademix at 2026-01-07T09:48:27+01:00 
    BB 44125: Do not offer to save signatures by default in Private Browsing Mode
  • f2938b6d
    by Beatriz Rizental at 2026-01-07T09:48:27+01:00 
    BB 43564: Modify ./mach bootstrap for Base Browser
  • 1471d71b
    by Beatriz Rizental at 2026-01-07T09:48:28+01:00 
    BB 42728: Modify ./mach lint to skip unused linters
  • 40a64df4
    by Morgan at 2026-01-07T09:48:28+01:00 
    BB 43615: Add Gitlab Issue and Merge Request templates
  • 88d9cc3b
    by Henry Wilkes at 2026-01-07T09:48:29+01:00 
    BB 41803: Add some developer tools for working on tor-browser.
  • d2fceac7
    by Richard Pospesel at 2026-01-07T09:48:29+01:00 
    BB 42683: Create script to generate issue triage csv file from bugzilla query and git logs
  • 620e3ab9
    by Henry Wilkes at 2026-01-07T09:48:29+01:00 
    BB 42305: Add script to combine translation files across versions.
  • d249c12b
    by Beatriz Rizental at 2026-01-07T09:48:30+01:00 
    BB 43535: Enable tests
  • 39dc5f16
    by Beatriz Rizental at 2026-01-07T09:48:30+01:00 
    Add CI for Base Browser
  • 77b1b6a7
    by Pier Angelo Vendrame at 2026-01-07T09:48:30+01:00 
    Base Browser's .mozconfigs.

Bug 17858: Cannot create incremental MARs for hardened builds.
Define HOST_CFLAGS, etc. to avoid compiling programs such as mbsdiff
(which is part of mar-tools and is not distributed to end-users) with
ASan.

Bug 21849: Don't allow SSL key logging.

Bug 25741 - TBA: Disable features at compile-time

Define MOZ_ANDROID_NETWORK_STATE and MOZ_ANDROID_LOCATION

Bug 27623 - Export MOZILLA_OFFICIAL during desktop builds

This fixes a problem where some preferences had the wrong default value.
Also see bug 27472 where we made a similar fix for Android.

Bug 29859: Disable HLS support for now

Bug 30463: Explicitly disable MOZ_TELEMETRY_REPORTING

Bug 32493: Disable MOZ_SERVICES_HEALTHREPORT

Bug 33734: Set MOZ_NORMANDY to False

Bug 33851: Omit Parental Controls.

Bug 40252: Add --enable-rust-simd to our tor-browser mozconfig files

Bug 41584: Move some configuration options to base-browser level
  • f175e7fc
    by Pier Angelo Vendrame at 2026-01-07T09:49:12+01:00 
    fixup! Base Browser's .mozconfigs.

BB 44414: Disable Zucchini for the 15.0 series.
  • 87310277
    by Pier Angelo Vendrame at 2026-01-07T09:49:14+01:00 
    Tweaks to the build system

Bug 40857: Modified the fat .aar creation file

This is a workaround to build fat .aars with the compiling enviornment
disabled.
Mozilla does not use a similar configuration, but either runs a Firefox
build and discards its output, or uses artifacts build.

We might switch to artifact builds too, and drop this patch, or write a
better one to upstream. But until then we need this patch.

See also https://bugzilla.mozilla.org/show_bug.cgi?id=1763770.

Bug 41458: Prevent `mach package-multi-locale` from actually creating a package

macOS builds need some files to be moved around with
./mach package-multi-locale to create multi-locale packages.
The required command isn't exposed through any other mach command.
So, we patch package-multi-locale both to prevent it from failing when
doing official builds and to detect any future changes on it.
  • 1244b478
    by Pier Angelo Vendrame at 2026-01-07T09:49:14+01:00 
    BB 29320: Replace the gnu target with gnullvm for Rust.
  • a7143f97
    by Pier Angelo Vendrame at 2026-01-07T09:49:15+01:00 
    BB 42616: Remove VideoCaptureTest.kt.

This is a workaround to fix the GeckoView build with WebRTC disabled.
We should replace this workaround with a proper solution, that
excludes this test when MOZ_WEBRTC is undefined/False.
  • a9d96999
    by Pier Angelo Vendrame at 2026-01-07T09:49:15+01:00 
    BB 41108: Remove privileged macOS installation from 102
  • b4252155
    by Dan Ballard at 2026-01-07T09:49:15+01:00 
    BB 41149: Re-enable DLL injection protection in all builds not just nightlies
  • 43245e0c
    by Henry Wilkes at 2026-01-07T09:49:16+01:00 
    BB 43092: Disable wayland by default in Base Browser.
  • 005b3cc3
    by Matthew Finkel at 2026-01-07T09:49:16+01:00 
    BB 24796: Comment out excess permissions from GeckoView

The GeckoView AndroidManifest.xml is not preprocessed unlike Fennec's
manifest, so we can't use the ifdef preprocessor guards around the
permissions we do not want. Commenting the permissions is the
next-best-thing.
  • 2b6aed67
    by Matthew Finkel at 2026-01-07T09:49:16+01:00 
    BB 28125: Prevent non-Necko network connections
  • f31c5560
    by Mike Perry at 2026-01-07T09:49:17+01:00 
    BB 12974: Disable NTLM and Negotiate HTTP Auth

The Mozilla bugs: https://bugzilla.mozilla.org/show_bug.cgi?id=1046421,
https://bugzilla.mozilla.org/show_bug.cgi?id=1261591, tor-browser#27602
  • 597890fe
    by cypherpunks1 at 2026-01-07T09:49:17+01:00 
    BB 40717: Hide Windows SSO in settings
  • 84604785
    by Georg Koppen at 2026-01-07T09:49:17+01:00 
    BB 16285: Exclude ClearKey system for now

In the past the ClearKey system had not been compiled when specifying
--disable-eme. But that changed and it is even bundled nowadays (see:
Mozilla's bug 1300654). We don't want to ship it right now as the use
case for it is not really visible while the code had security
vulnerabilities in the past.
  • a4a9d852
    by Kathy Brade at 2026-01-07T09:49:18+01:00 
    BB 21431: Clean-up system extensions shipped in Firefox

Only ship the pdfjs extension.
  • ec729bdf
    by Kathy Brade at 2026-01-07T09:49:18+01:00 
    BB 33852: Clean up about:logins (LockWise) to avoid mentioning sync, etc.

Hide elements on about:logins that mention sync, "Firefox LockWise", and
Mozilla's LockWise mobile apps.

Disable the "Create New Login" button when security.nocertdb is true.
  • 81e0496c
    by Alex Catarineu at 2026-01-07T09:49:18+01:00 
    BB 41457: Remove Mozilla permissions

Bug 40025: Remove Mozilla add-on install permissions
  • 6f2d5a98
    by Henry Wilkes at 2026-01-07T09:49:19+01:00 
    BB 44045: Disable ML features.
  • 11fbe14a
    by Kathy Brade at 2026-01-07T09:49:19+01:00 
    BB 41662: Disable about:sync-logs

Even though we disable sync by default with
`identity.fxaccounts.enabled`, this about: page is still avilable.
We could throw an exception on the constructor of the related
component, but it would result only in an error in the console, without
a visible "this address does not look right" error page.
If we fix the issues with MOZ_SERVICES_SYNC, we can restore the
component.
  • 6230da57
    by Morgan at 2026-01-07T09:49:19+01:00 
    BB 42716: Disable unwanted about: pages
  • 0688aeb5
    by Arthur Edelstein at 2026-01-07T09:49:20+01:00 
    BB 26353: Prevent speculative connect that violated FPI.

Connections were observed in the catch-all circuit when
the user entered an https or http URL in the URL bar, or
typed a search term.
  • 0d285fc8
    by Alex Catarineu at 2026-01-07T09:49:20+01:00 
    BB 31740: Remove some unnecessary RemoteSettings instances

More concretely, SearchService.jsm 'hijack-blocklists' and
url-classifier-skip-urls.

Avoid creating instance for 'anti-tracking-url-decoration'.

If prefs are disabling their usage, avoid creating instances for
'cert-revocations' and 'intermediates'.

Do not ship JSON dumps for collections we do not expect to need. For
the ones in the 'main' bucket, this prevents them from being synced
unnecessarily (the code in remote-settings does so for collections
in the main bucket for which a dump or local data exists). For the
collections in the other buckets, we just save some size by not
shipping their dumps.

We also clear the collections database on the v2 -> v3 migration.
  • 78f55f23
    by cypherpunks1 at 2026-01-07T09:49:20+01:00 
    BB 41092: Add a RemoteSettings JSON dump for query-stripping
  • d4b176fe
    by cypherpunks1 at 2026-01-07T09:49:21+01:00 
    BB 42730: Patch RemoteSettings to use only local dumps as a data source
  • f6f3b0d0
    by Pier Angelo Vendrame at 2026-01-07T09:49:21+01:00 
    BB 43525: Skip Remote Settings for search engine customization.

Also, add some bundled search engines.
  • a1808e99
    by Pier Angelo Vendrame at 2026-01-07T09:49:21+01:00 
    BB 41635: Disable the Normandy component

Do not include Normandy at all whenever MOZ_NORMANDY is False.
  • 84884ec3
    by Georg Koppen at 2026-01-07T09:49:22+01:00 
    BB 30541: Disable WebGL readPixel() for web content

Related Bugzilla: https://bugzilla.mozilla.org/show_bug.cgi?id=1428034
  • 69ac5aa5
    by Alex Catarineu at 2026-01-07T09:49:22+01:00 
    BB 28369: Stop shipping pingsender executable
  • 13164e73
    by Pier Angelo Vendrame at 2026-01-07T09:49:22+01:00 
    BB 41599: Always return an empty string as network ID

Firefox computes an internal network ID used to detect network changes
and act consequently (e.g., to improve WebSocket UX).
However, there are a few ways to get this internal network ID, so we
patch them out, to be sure any new code will not be able to use them and
possibly link users.

We also sent a patch to Mozilla to seed the internal network ID, to
prevent any accidental leak in the future.
Upstream: https://bugzilla.mozilla.org/show_bug.cgi?id=1817756
  • 7e48f0fe
    by Pier Angelo Vendrame at 2026-01-07T09:49:23+01:00 
    BB 43386: Use Firefox in the UA in RFP-exempt request.

XHR requests initiated by extensions are exempt from RFP.
Therefore, they report the actual app name, instead of Firefox, and the
actual Firefox minor version.

This happens whenever the app name has been customized and does not
match a hardcoded "Firefox".
  • 74bc0be5
    by Richard Pospesel at 2026-01-07T09:49:23+01:00 
    BB 41327: Disable UrlbarProviderInterventions
  • 96f41178
    by Richard Pospesel at 2026-01-07T09:49:23+01:00 
    BB 42037: Disable about:firefoxview page
  • 9a5707a3
    by Henry Wilkes at 2026-01-07T09:49:24+01:00 
    BB 44107: Re-include firefoxview asset view-opentabs.svg.

Should be dropped after bugzilla bug 1987279 is resolved.
  • de31c552
    by Mike Perry at 2026-01-07T09:49:24+01:00 
    Firefox preference overrides.
  • ec46f799
    by Pier Angelo Vendrame at 2026-01-07T09:49:24+01:00 
    fixup! Firefox preference overrides.

BB 44396: Fix the name of CJK fonts in font lists.
  • b0c0edcb
    by Pier Angelo Vendrame at 2026-01-07T09:49:25+01:00 
    BB 43140: Tighten up fonts on Linux.

We ship a fontconfig configuration to esnure all Linux users have the
same defaults and reduce the chances of fingerprinting.
We used to add this file in tor-browser-build, but some users might
skip it by using the browser executable without the wrapper script.
Therefore, we decided to activate the file with the FontConfig API
instead of the environment variables.

Bug 41043: Hardcode the UI font on Linux

The mechanism to choose the UI font does not play well with our
fontconfig configuration. As a result, the final criterion to choose
the font for the UI was its version.

Since we hardcode Arimo as a default sans-serif on preferences, we use
it also for the UI. FontConfig will fall back to some other font for
scripts Arimo does not cover as expected (we tested with Japanese).

Bug 43141: Hardcode system-ui to Arimo.
  • 45f6c4f8
    by Pier Angelo Vendrame at 2026-01-07T09:49:25+01:00 
    BB 43322: Customize the font visibility lists.

Customize the lists of fonts to assign base visibility to in
base browser and derivatives.

Also, rename the files with the upstream lists, to make sure we do not
use them by mistake.
  • ef88d970
    by Alex Catarineu at 2026-01-07T09:49:25+01:00 
    BB 30605: Honor privacy.spoof_english in Android

This checks `privacy.spoof_english` whenever `setLocales` is
called from Fenix side and sets `intl.accept_languages`
accordingly.

Bug 40198: Expose privacy.spoof_english pref in GeckoView
  • 6372b6d9
    by Pier Angelo Vendrame at 2026-01-07T09:49:26+01:00 
    BB 42562: Normalized the Accepted Languages on Android.

The OS language might be outside the list of actually supported
languages and it might leak the user's region.
Therefore, we force the locale reported in Accept-Language to match one
we support with translations, even when it means using a not exact
region tag.
  • dc46e006
    by Alex Catarineu at 2026-01-07T09:49:26+01:00 
    BB 40171: Make WebRequest and GeckoWebExecutor First-Party aware
  • 42428124
    by Alex Catarineu at 2026-01-07T09:49:26+01:00 
    BB 26345: Hide tracking protection UI
  • 8d1cd27e
    by Henry Wilkes at 2026-01-07T09:49:27+01:00 
    BB 43109: Hide Firefox Relay from settings.

This should remain disabled, see tor-browser#42814.
  • 0adf28d1
    by Henry Wilkes at 2026-01-07T09:49:27+01:00 
    BB 42777: Hide Website Privacy Preferences.

We hide the Website Privacy Preferences section, which controls the
"global privacy control" (GPC) and "do not track" (DNT) settings.
  • 41e8bf9c
    by Morgan at 2026-01-07T09:49:27+01:00 
    BB 42070: Hide "Use smooth scrolling" from settings
  • e268d7ee
    by Arthur Edelstein at 2026-01-07T09:49:28+01:00 
    BB 18905: Hide unwanted items from help menu

Bug 25660: Remove the "New Private Window" option
  • b5461cc1
    by Pier Angelo Vendrame at 2026-01-07T09:49:28+01:00 
    BB 41739: Remove "Website appearance" from about:preferences.

It is ignored because of RFP and it is confusing for users.
  • 4fd19bb3
    by Henry Wilkes at 2026-01-07T09:49:28+01:00 
    BB 43850: Modify the Contrast Control settings for RFP.
  • b91953cd
    by Henry Wilkes at 2026-01-07T09:49:29+01:00 
    BB 43117: Hide "Always underline links" from settings.
  • b182ec92
    by Pier Angelo Vendrame at 2026-01-07T09:49:29+01:00 
    BB 42774: Always hide the third-pary certs UI.
  • 3060c202
    by Henry Wilkes at 2026-01-07T09:49:29+01:00 
    BB 43118: Hide feature recommendation (CFR) settings.
  • d2ddb683
    by henry at 2026-01-07T09:49:30+01:00 
    BB 44279: Disable contextual search install prompt.


(cherry picked from commit 5b9d6ce72ac5e4a3a296d6084a9bce7cf4a1ccd6)

Co-authored-by: Henry Wilkes <henry@xxxxxxxxxxxxxx>
  • edd02140
    by Pier Angelo Vendrame at 2026-01-07T09:49:30+01:00 
    BB 9173: Change the default Firefox profile directory to be relative.

This commit makes Firefox look for the default profile directory in a
directory relative to the binary path.
The directory can be specified through the --with-relative-data-dir.
This is relative to the same directory as the firefox main binary for
Linux and Windows.

On macOS, we remove Contents/MacOS from it.
Or, in other words, the directory is relative to the application
bundle.

This behavior can be overriden at runtime, by placing a file called
system-install adjacent to the firefox main binary (also on macOS).
  • e52e2120
    by Pier Angelo Vendrame at 2026-01-07T09:49:30+01:00 
    BB 42773: Replace ~ with the original home.

In Bug 93141, Mozilla started sending users to their home when they type
~ in the URL bar.
On Linux, we change $HOME for various reason, therefore you would be
redirected to the spoofed home directory when typing ~.
So, we check if the original home directory is known, and use that,
instead.
  • 4f35dc7f
    by Alex Catarineu at 2026-01-07T09:49:31+01:00 
    BB 27604: Fix addon issues when moving the profile directory

Bugzilla: https://bugzilla.mozilla.org/show_bug.cgi?id=1429838
  • f16a0eee
    by Mike Perry at 2026-01-07T09:49:31+01:00 
    BB 13028: Prevent potential proxy bypass cases.

It looks like these cases should only be invoked in the NSS command line
tools, and not the browser, but I decided to patch them anyway because there
literally is a maze of network function pointers being passed around, and it's
very hard to tell if some random code might not pass in the proper proxied
versions of the networking code here by accident.

Bugzilla: https://bugzilla.mozilla.org/show_bug.cgi?id=1433509
  • 789ba21d
    by Pier Angelo Vendrame at 2026-01-07T09:49:31+01:00 
    BB 40309: Avoid using regional OS locales

Avoid regional OS locales if the pref
`intl.regional_prefs.use_os_locales` is false but RFP is enabled.
  • 73eb4aab
    by Matthew Finkel at 2026-01-07T09:49:32+01:00 
    BB 40432: Prevent probing installed applications

Bugzilla: https://bugzilla.mozilla.org/show_bug.cgi?id=1711084
  • e8d43302
    by Pier Angelo Vendrame at 2026-01-07T09:49:32+01:00 
    BB 43869: Hide pens with RFP.
  • 25ff26dc
    by Henry Wilkes at 2026-01-07T09:49:32+01:00 
    BB 29745: Limit remote access to content accessible resources
  • 9516cf53
    by cypherpunks1 at 2026-01-07T09:49:33+01:00 
    BB 33955: When copying an image only copy the image contents to the clipboard
  • 6af391e5
    by cypherpunks1 at 2026-01-07T09:49:33+01:00 
    BB 41791: Omit the source URL when copying page contents to the clipboard
  • 67c48f37
    by Pier Angelo Vendrame at 2026-01-07T09:49:33+01:00 
    BB 43196: Remove the vendor name from media notifications on Linux.

Firefox shows "vendor remoteName" as a title of the "... is playing
media" notification on Linux.
However, for our browser the remote name is enough, and prepending the
vendor to it creates a string users usually never see.
  • 3eb53e57
    by Pier Angelo Vendrame at 2026-01-07T09:49:34+01:00 
    Base Browser strings

This commit adds all the strings needed by following Base Browser
patches.
  • 94bf8f56
    by Henry Wilkes at 2026-01-07T09:49:34+01:00 
    BB 42583: Modify moz-support-link for Base Browser.
  • 548999c4
    by Pier Angelo Vendrame at 2026-01-07T09:49:34+01:00 
    BB 41369: Improve Firefox language settings for multi-lingual packages

Change the language selector to be sorted by language code, rather than
name, and to display the language code to the user.

Bug 41372: Handle Japanese as a special case in preferences on macOS

Japanese is treated in a special way on macOS. However, seeing the
Japanese language tag could be confusing for users, and moreover the
language name is not localized correctly like other langs.

Bug 41378: Tell users that they can change their language at the first start

With multi-lingual builds, Tor Browser matches the user's system
language, but some users might want to change it.
So, we tell them that it is possible, but only once.
  • 8f873dc4
    by p13dz at 2026-01-07T09:49:35+01:00 
    BB 40283: Workaround for the file upload bug
  • 28486735
    by hackademix at 2026-01-07T09:49:35+01:00 
    BB 42019: Empty browser's clipboard on browser shutdown
  • acabda63
    by hackademix at 2026-01-07T09:49:35+01:00 
    BB 42084: Ensure English spoofing works even if preferences are set out of order.
  • 856cdeaa
    by Pier Angelo Vendrame at 2026-01-07T09:49:36+01:00 
    BB 41930: Remove the UI to customize accept_languages.
  • e57caade
    by hackademix at 2026-01-07T09:49:36+01:00 
    BB 32308: Use direct browser sizing for letterboxing.

Bug 30556: align letterboxing with 200x100 new win width stepping
  • 70f4f5e3
    by hackademix at 2026-01-07T09:49:36+01:00 
    BB 41631: Prevent weird initial window dimensions caused by subpixel computations
  • d1c66889
    by hackademix at 2026-01-07T09:49:37+01:00 
    BB 41918: Option to reuse last window size when letterboxing is enabled.
  • 9a3f950b
    by hackademix at 2026-01-07T09:49:37+01:00 
    BB 41916: Letterboxing preferences UI
  • b081bfaa
    by hackademix at 2026-01-07T09:49:37+01:00 
    BB 41695: Warn on window maximization without letterboxing in RFPHelper module
  • 707856f8
    by hackademix at 2026-01-07T09:49:38+01:00 
    BB 42443: Shrink window to match letterboxing size when the emtpy area is clicked.
  • 8984a827
    by hackademix at 2026-01-07T09:49:38+01:00 
    BB 41919: Letterboxing, add temporarily visible web content-size indicator on window resizing.
  • ad0cd059
    by Henry Wilkes at 2026-01-07T09:49:38+01:00 
    BB 42528: Don't leak system scrollbar size on windows.
  • c8cfd9f2
    by Henry Wilkes at 2026-01-07T09:49:39+01:00 
    BB 31575: Disable Firefox Home (Activity Stream)

Treat about:blank as the default home page and new tab page.

BB 43886: Disable the newtab component/addon.

Bug 41624: Disable about:pocket-* pages.

Bug 40144: Redirect about:privatebrowsing to the user's home
  • 027f38ed
    by Kathy Brade at 2026-01-07T09:50:54+01:00 
    BB 4234: Use the Firefox Update Process for Base Browser.

Windows: disable "runas" code path in updater (15201).
Windows: avoid writing to the registry (16236).
Also includes fixes for tickets 13047, 13301, 13356, 13594, 15406,
  16014, 16909, 24476, and 25909.

Also fix bug 27221: purge the startup cache if the Base Browser
version changed (even if the Firefox version and build ID did
not change), e.g., after a minor Base Browser update.

Also fix 32616: Disable GetSecureOutputDirectoryPath() functionality.

Bug 26048: potentially confusing "restart to update" message

Within the update doorhanger, remove the misleading message that mentions
that windows will be restored after an update is applied, and replace the
"Restart and Restore" button label with an existing
"Restart to update Tor Browser" string.

Bug 28885: notify users that update is downloading

Add a "Downloading Base Browser update" item which appears in the
hamburger (app) menu while the update service is downloading a MAR
file. Before this change, the browser did not indicate to the user
that an update was in progress, which is especially confusing in
Tor Browser because downloads often take some time. If the user
clicks on the new menu item, the about dialog is opened to allow
the user to see download progress.

As part of this fix, the update service was changed to always show
update-related messages in the hamburger menu, even if the update
was started in the foreground via the about dialog or via the
"Check for Tor Browser Update" toolbar menu item. This change is
consistent with the Tor Browser goal of making sure users are
informed about the update process.

Removed #28885 parts of this patch which have been uplifted to Firefox.
  • bb0e880e
    by Pier Angelo Vendrame at 2026-01-07T09:50:55+01:00 
    BB 42061: Create an alpha update channel.
  • 3b387d74
    by Nicolas Vigier at 2026-01-07T09:50:55+01:00 
    BB 41682: Add base-browser nightly mar signing key
  • bfe9d0a8
    by Pier Angelo Vendrame at 2026-01-07T09:50:56+01:00 
    BB 41603: Customize the creation of MOZ_SOURCE_URL

MOZ_SOURCE_URL is created by combining MOZ_SOURCE_REPO and
MOZ_SOURCE_CHANGESET.
But the code takes for granted that it refers to a Hg instance, so it
combines them as `$MOZ_SOURCE_REPO/rev/$MOZ_SOURCE_CHANGESET`.
With this commit, we change this logic to combine them to create a URL
that is valid for GitLab.
$MOZ_SOURCE_CHANGESET needs to be a commit hash, not a branch or a tag.
If that is needed, we could use /-/tree/, instead of /-/commit/.
  • 343bddb3
    by Pier Angelo Vendrame at 2026-01-07T09:50:56+01:00 
    BB 42438: Tweaks to the migration wizard.

Remove the items not compatible with our features (such as history) from
the migration wizard.

On Linux, allow to specify an alternative home directory, since we
usually change $HOME in our startup script.
  • 8f53790e
    by Alex Catarineu at 2026-01-07T09:50:56+01:00 
    BB 40069: Add helpers for message passing with extensions
  • 83099b3c
    by Matthew Finkel at 2026-01-07T09:50:57+01:00 
    BB 41598: Prevent NoScript from being removed/disabled.

Bug 40253: Explicitly allow NoScript in Private Browsing mode.
  • 7b278f6f
    by Henry Wilkes at 2026-01-07T09:50:57+01:00 
    BB 41581: Hide NoScript extension's toolbar button by default.

This hides it from both the toolbar and the unified extensions panel.

We also hide the unified-extension-button if the panel would be empty:
not including the NoScript button when it is hidden. As a result, this
will be hidden by default until a user installs another extension (or
shows the NoScript button and unpins it).
  • 1ffe03d4
    by hackademix at 2026-01-07T09:50:57+01:00 
    BB 41834: Hide "Can't Be Removed - learn more" menu line for uninstallable add-ons
  • cbd39035
    by Henry Wilkes at 2026-01-07T09:50:58+01:00 
    BB 41736: Customize toolbar for base-browser.
  • 380800f7
    by Henry Wilkes at 2026-01-07T09:50:58+01:00 
    BB 43864: Modify the urlbar for Base Browser.
  • 015219e3
    by Henry Wilkes at 2026-01-07T09:50:58+01:00 
    BB 44040: Modify prompt service for Base Browser.
  • 5c62c9e5
    by Henry Wilkes at 2026-01-07T09:50:59+01:00 
    BB 43902: Modify the new sidebar for Base Browser.
  • c2751ab7
    by Pier Angelo Vendrame at 2026-01-07T09:50:59+01:00 
    BB 40925: Implemented the Security Level component

This component adds a new Security Level toolbar button which visually
indicates the current global security level via icon (as defined by the
extensions.torbutton.security_slider pref), a drop-down hanger with a
short description of the current security level, and a new section in
the about:preferences#privacy page where users can change their current
security level. In addition, the hanger and the preferences page will
show a visual warning when the user has modified prefs associated with
the security level and provide a one-click 'Restore Defaults' button to
get the user back on recommended settings.

Bug 40125: Expose Security Level pref in GeckoView
  • f8a08725
    by Pier Angelo Vendrame at 2026-01-07T09:50:59+01:00 
    BB 40926: Implemented the New Identity feature
  • 0bb61934
    by Pier Angelo Vendrame at 2026-01-07T09:51:00+01:00 
    BB 42027: Base Browser migration procedures.

This commit implmenents the the Base Browser's version of _migrateUI.
  • 55343eca
    by Henry Wilkes at 2026-01-07T09:51:00+01:00 
    TB 42308: Create README for tor-browser.

We drop the README.txt that comes from Mozilla Firefox and add README.md
for tor-browser.
  • 657612df
    by Morgan at 2026-01-07T09:51:00+01:00 
    TB 43616: Customize Gitlab Issue and Merge Request templates
  • 6952deb9
    by Beatriz Rizental at 2026-01-07T09:51:01+01:00 
    TB 43564: Modify ./mach bootstrap for Tor Browser
  • 34e202d2
    by Beatriz Rizental at 2026-01-07T09:51:01+01:00 
    Add CI for Tor Browser
  • 73a37fd2
    by Richard Pospesel at 2026-01-07T09:51:01+01:00 
    TB 41089: Add tor-browser build scripts + Makefile to tor-browser
  • ae2e67fe
    by Alex Catarineu at 2026-01-07T09:51:02+01:00 
    Add TorStrings module for localization
  • 3bfb37bd
    by Henry Wilkes at 2026-01-07T09:51:02+01:00 
    Tor Browser strings

This commit adds all the strings needed for Tor Browser patches.
  • a37c3a47
    by Henry Wilkes at 2026-01-07T09:51:02+01:00 
    Tor Browser localization migration scripts.
  • d2f3d9a6
    by Mike Perry at 2026-01-07T09:51:03+01:00 
    TB 2176: Rebrand Firefox to TorBrowser

See also Bugs #5194, #7187, #8115, #8219.

This patch does some basic renaming of Firefox to TorBrowser. The rest of the
branding is done by images and icons.

Also fix bug 27905.

Bug 25702: Update Tor Browser icon to follow design guidelines

- Updated all of the branding in /browser/branding/official with new 'stable'
icon series.
- Updated /extensions/onboarding/content/img/tor-watermark.png with new icon and
add the source svg in the same directory
- Copied /browser/branding/official over /browser/branding/nightly and the new
/browser/branding/alpha directories. Replaced content with 'nightly' and
'alpha' icon series.
Updated VisualElements_70.png and VisualElements_150.png with updated icons in
each branding directory (fixes #22654)
- Updated firefox.VisualElementsManfiest.xml with updated colors in each
branding directory
- Added firefox.svg to each branding directory from which all the other icons
are derived (apart from document.icns and document.ico)
- Added default256.png and default512.png icons
- Updated aboutTBUpdate.css to point to branding-aware icon128.png and removed
original icon
- Use the Tor Browser icon within devtools/client/themes/images/.

Bug 30631: Blurry Tor Browser icon on macOS app switcher

It would seem the png2icns tool does not generate correct icns files and
so on macOS the larger icons were missing resulting in blurry icons in
the OS chrome. Regenerated the padded icons in a macOS VM using
iconutil.

Bug 28196: preparations for using torbutton tor-browser-brand.ftl

A small change to Fluent FileSource class is required so that we
can register a new source without its supported locales being
counted as available locales for the browser.

Bug 31803: Replaced about:debugging logo with flat version

Bug 21724: Make Firefox and Tor Browser distinct macOS apps

When macOS opens a document or selects a default browser, it sometimes
uses the CFBundleSignature. Changing from the Firefox MOZB signature to
a different signature TORB allows macOS to distinguish between Firefox
and Tor Browser.

Bug 32092: Fix Tor Browser Support link in preferences

For bug 40562, we moved onionPattern* from bug 27476 to here, as
about:tor needs these files but it is included earlier.

Bug 41278: Create Tor Browser styled pdf logo similar to the vanilla Firefox one

Bug 42088: New application icons (used in-app and on linux).

Bug 42087: New application icons (windows).
  • ddea4fa0
    by Henry Wilkes at 2026-01-07T09:51:03+01:00 
    TB 43901: Modify about:license for Tor Browser.

We also drop about:rights.
  • ff479a56
    by Henry Wilkes at 2026-01-07T09:51:03+01:00 
    Customize moz-toggle for tor-browser.
  • 2b965626
    by Henry Wilkes at 2026-01-07T09:51:04+01:00 
    TB 43087: Add onion-pattern to be used on Tor pages.
  • 92918297
    by Henry Wilkes at 2026-01-07T09:51:04+01:00 
    TB 41817: tor-browser semantic colors.
  • de1af60b
    by Henry Wilkes at 2026-01-07T09:51:04+01:00 
    TB 42110: Add TorUIUtils module for common tor component methods.
  • 0e6fae55
    by Henry Wilkes at 2026-01-07T09:51:05+01:00 
    TB 42583: Modify moz-support-link for Tor Browser.
  • 767322a1
    by Beatriz Rizental at 2026-01-07T09:51:05+01:00 
    TB 43107: Disable remoting by default

Unless the `--allow-remote` flag is provided when starting the
applicaton.

Also removes the support for the `--new-instance` flag which does a
similar job of disabling remoting, but only disables it for the current
instance.
  • 6e88362a
    by sanketh at 2026-01-07T09:51:05+01:00 
    TB 40209: Implement Basic Crypto Safety

Adds a CryptoSafety actor which detects when you've copied a crypto
address from a HTTP webpage and shows a warning.

Closes #40209.

Bug 40428: Fix string attribute names
  • 8ef83128
    by Mike Perry at 2026-01-07T09:51:06+01:00 
    TB3: Tor Browser's official .mozconfigs.

Also:
Add an --enable-tor-browser-data-outside-app-dir configure option

Add --with-tor-browser-version configure option

Bug 31457: disable per-installation profiles

The dedicated profiles (per-installation) feature does not interact
well with our bundled profiles on Linux and Windows, and it also causes
multiple profiles to be created on macOS under TorBrowser-Data.

Bug 31935: Disable profile downgrade protection.

Since Tor Browser does not support more than one profile, disable
the prompt and associated code that offers to create one when a
version downgrade situation is detected.

Add --enable-tor-browser-update build option

Bug 40793: moved Tor configuration options from old-configure.in to moz.configure

Bug 41584: Move some configuration options to base-browser level
  • 1db9c07a
    by Henry Wilkes at 2026-01-07T09:51:06+01:00 
    TB 41340: Enable TOR_BROWSER_NIGHTLY_BUILD features for dev and nightly builds

tor-browser#41285: Enable fluent warnings.
  • 1b9e6966
    by Pier Angelo Vendrame at 2026-01-07T09:51:06+01:00 
    TB 40562: Added Tor Browser preferences to 000-tor-browser.js

Before reordering patches, we used to keep the Tor-related patches
(torbutton and tor-launcher) at the beginning.
After that issue, we decided to move them towards the end.

In addition to that, we have decided to move Tor Browser-only
preferences there, too, to make Base Browser-only fixups easier to
apply.
  • 2c25e0d3
    by Pier Angelo Vendrame at 2026-01-07T09:51:07+01:00 
    TB 13252: Customize profile management on macOS

On macOS we allow both portable mode and system installation.
However, in the latter case, we customize Firefox's directories to
match the hierarchy we use for the portable mode.

Also, display an informative error message if the TorBrowser-Data
directory cannot be created due to an "access denied" or a
"read only volume" error.
  • b1d4daf1
    by Pier Angelo Vendrame at 2026-01-07T09:51:07+01:00 
    TB 40933: Add tor-launcher functionality

Bug 41926: Reimplement the control port
  • 499b97f0
    by Cecylia Bocovich at 2026-01-07T09:51:07+01:00 
    Lox integration
  • 2805303e
    by Richard Pospesel at 2026-01-07T09:51:08+01:00 
    TB 40597: Implement TorSettings module

- migrated in-page settings read/write implementation from about:preferences#tor
  to the TorSettings module
- TorSettings initially loads settings from the tor daemon, and saves them to
  firefox prefs
- TorSettings notifies observers when a setting has changed; currently only
  QuickStart notification is implemented for parity with previous preference
  notify logic in about:torconnect and about:preferences#tor
- about:preferences#tor, and about:torconnect now read and write settings
  thorugh the TorSettings module
- all tor settings live in the torbrowser.settings.* preference branch
- removed unused pref modify permission for about:torconnect content page from
  AsyncPrefs.jsm

Bug 40645: Migrate Moat APIs to Moat.jsm module
  • 2d3861e8
    by Arthur Edelstein at 2026-01-07T09:51:08+01:00 
    TB 3455: Add DomainIsolator, for isolating circuit by domain.

Add an XPCOM component that registers a ProtocolProxyChannelFilter
which sets the username/password for each web request according to
url bar domain.

Bug 9442: Add New Circuit button

Bug 13766: Set a 10 minute circuit dirty timeout for the catch-all circ.

Bug 19206: Include a 128 bit random tag as part of the domain isolator nonce.

Bug 19206: Clear out the domain isolator state on `New Identity`.

Bug 21201.2: Isolate by firstPartyDomain from OriginAttributes

Bug 21745: Fix handling of catch-all circuit

Bug 41741: Refactor the domain isolator and new circuit
  • 5a507bc6
    by Henry Wilkes at 2026-01-07T09:51:08+01:00 
    TB 41600: Add a tor circuit display panel.
  • b3844aa6
    by Pier Angelo Vendrame at 2026-01-07T09:51:09+01:00 
    TB 42247: Android helpers for the TorProvider

GeckoView is missing some API we use on desktop for the integration
with the tor daemon, such as subprocess.
Therefore, we need to implement them in Java and plumb the data
back and forth between JS and Java.
  • f9230ead
    by hackademix at 2026-01-07T09:51:09+01:00 
    TB 8324: Prevent DNS proxy bypasses caused by Drag&Drop

Bug 41613: Skip Drang & Drop filtering for DNS-safe URLs
  • 4ee39fd5
    by Matthew Finkel at 2026-01-07T09:51:10+01:00 
    TB 25741: TBA: Disable GeckoNetworkManager

The browser should not need information related to the network
interface or network state, tor should take care of that.
  • 8f451516
    by Pier Angelo Vendrame at 2026-01-07T09:51:10+01:00 
    TB 40807: Added QRCode.js to toolkit/modules
  • 28ec9715
    by Richard Pospesel at 2026-01-07T09:51:10+01:00 
    TB 31286: Implementation of bridge, proxy, and firewall settings in about:preferences#connection

This patch adds a new about:preferences#connection page which allows
modifying bridge, proxy, and firewall settings from within Tor Browser.
All of the functionality present in tor-launcher's Network
Configuration panel is present:

 - Setting built-in bridges
 - Requesting bridges from BridgeDB via moat
 - Using user-provided bridges
 - Configuring SOCKS4, SOCKS5, and HTTP/HTTPS proxies
 - Setting firewall ports
 - Viewing and Copying Tor's logs
 - The Networking Settings in General preferences has been removed

Bug 40774: Update about:preferences page to match new UI designs
  • 85ce5e53
    by Richard Pospesel at 2026-01-07T09:51:11+01:00 
    TB 27476: Implement about:torconnect captive portal within Tor Browser

- implements new about:torconnect page as tor-launcher replacement
- adds new torconnect component to browser
- tor process management functionality remains implemented in tor-launcher through the TorProtocolService module
- adds warning/error box to about:preferences#tor when not connected to tor

Bug 40773: Update the about:torconnect frontend page to match additional UI flows.

Bug 41608: Add a toolbar status button and a urlbar "Connect" button.
  • bb7f24e9
    by Pier Angelo Vendrame at 2026-01-07T09:51:11+01:00 
    Temporary changes to about:torconnect for Android.

We are planning of tempoorarily using about:torconnect on Android, until
the native UX is ready.
  • d233e618
    by Henry Wilkes at 2026-01-07T09:51:11+01:00 
    TB 43405: Show a prompt whenever we fail to apply Tor settings.
  • 077b97b6
    by Henry Wilkes at 2026-01-07T09:51:12+01:00 
    TB 7494: Create local home page for TBB.

Bug 41333: Update about:tor to new design. Including:
+ make the favicon match the branding icon.
+ make the location bar show a search icon.
  • 016d3a0b
    by Pier Angelo Vendrame at 2026-01-07T09:51:12+01:00 
    TB 41668: Tweaks to the Base Browser updater for Tor Browser

This commit was once part of "Bug 4234: Use the Firefox Update Process
for Tor Browser.".
However, some parts of it were not needed for Base Browser and some
derivative browsers.
Therefore, we extracted from that commit the parts for Tor Browser
legacy, and we add them back to the patch set with this commit.
  • f24b91bb
    by Kathy Brade at 2026-01-07T09:51:12+01:00 
    TB 12647: Support symlinks in the updater.
  • 9005d39c
    by Georg Koppen at 2026-01-07T09:51:13+01:00 
    TB 32658: Create a new MAR signing key

It's time for our rotation again: Move the backup key in the front
position and add a new backup key.

Bug 33803: Move our primary nightly MAR signing key to tor-browser

Bug 33803: Add a secondary nightly MAR signing key
  • 0b0002f5
    by Pier Angelo Vendrame at 2026-01-07T09:51:13+01:00 
    TB 42891: Set the bundled search engine for Tor Browser.
  • b7bbd9de
    by Henry Wilkes at 2026-01-07T09:51:13+01:00 
    TB 41906: Hide DNS over HTTPS preferences.
  • d56ff241
    by Richard Pospesel at 2026-01-07T09:51:14+01:00 
    TB 23247: Communicating security expectations for .onion

Encrypting pages hosted on Onion Services with SSL/TLS is redundant
(in terms of hiding content) as all traffic within the Tor network is
already fully encrypted.  Therefore, serving HTTP pages from an Onion
Service is more or less fine.

Prior to this patch, Tor Browser would mostly treat pages delivered
via Onion Services as well as pages delivered in the ordinary fashion
over the internet in the same way.  This created some inconsistencies
in behaviour and misinformation presented to the user relating to the
security of pages delivered via Onion Services:

 - HTTP Onion Service pages did not have any 'lock' icon indicating
   the site was secure
 - HTTP Onion Service pages would be marked as unencrypted in the Page
   Info screen
 - Mixed-mode content restrictions did not apply to HTTP Onion Service
   pages embedding Non-Onion HTTP content

This patch fixes the above issues, and also adds several new 'Onion'
icons to the mix to indicate all of the various permutations of Onion
Services hosted HTTP or HTTPS pages with HTTP or HTTPS content.

Strings for Onion Service Page Info page are pulled from Torbutton's
localization strings.
  • c4ae31b8
    by Kathy Brade at 2026-01-07T09:51:14+01:00 
    TB 30237: Add v3 onion services client authentication prompt

When Tor informs the browser that client authentication is needed,
temporarily load about:blank instead of about:neterror and prompt
for the user's key.

If a correctly formatted key is entered, use Tor's ONION_CLIENT_AUTH_ADD
control port command to add the key (via Torbutton's control port
module) and reload the page.

If the user cancels the prompt, display the standard about:neterror
"Unable to connect" page. This requires a small change to
browser/actors/NetErrorChild.jsm to account for the fact that the
docShell no longer has the failedChannel information. The failedChannel
is used to extract TLS-related error info, which is not applicable
in the case of a canceled .onion authentication prompt.

Add a leaveOpen option to PopupNotifications.show so we can display
error messages within the popup notification doorhanger without
closing the prompt.

Add support for onion services strings to the TorStrings module.

Add support for Tor extended SOCKS errors (Tor proposal 304) to the
socket transport and SOCKS layers. Improved display of all of these
errors will be implemented as part of bug 30025.

Also fixes bug 19757:
 Add a "Remember this key" checkbox to the client auth prompt.

 Add an "Onion Services Authentication" section within the
 about:preferences "Privacy & Security section" to allow
 viewing and removal of v3 onion client auth keys that have
 been stored on disk.

Also fixes bug 19251: use enhanced error pages for onion service errors.
  • 07f4fc7c
    by Alex Catarineu at 2026-01-07T09:51:14+01:00 
    TB 21952: Implement Onion-Location

Whenever a valid Onion-Location HTTP header (or corresponding HTML
<meta> http-equiv attribute) is found in a document load, we either
redirect to it (if the user opted-in via preference) or notify the
presence of an onionsite alternative with a badge in the urlbar.
  • 18d2c9c2
    by Pier Angelo Vendrame at 2026-01-07T09:51:15+01:00 
    TB 40458: Implement .tor.onion aliases

We have enabled HTTPS-Only mode, therefore we do not need
HTTPS-Everywhere anymore.
However, we want to keep supporting .tor.onion aliases (especially for
securedrop).
Therefore, in this patch we implemented the parsing of HTTPS-Everywhere
rulesets, and the redirect of .tor.onion domains.
Actually, Tor Browser believes they are actual domains. We change them
on the fly on the SOCKS proxy requests to resolve the domain, and on
the code that verifies HTTPS certificates.
  • 97f17946
    by Pier Angelo Vendrame at 2026-01-07T09:51:15+01:00 
    TB 11698: Incorporate Tor Browser Manual pages into Tor Browser

This patch associates the about:manual page to a translated page that
must be injected to browser/omni.ja after the build.
The content must be placed in chrome/browser/content/browser/manual/, so
that is then available at chrome://browser/content/manual/.
We preferred giving absolute freedom to the web team, rather than having
to change the patch in case of changes on the documentation.
  • fbe51a1d
    by Pier Angelo Vendrame at 2026-01-07T09:51:15+01:00 
    TB 41435: Add a Tor Browser migration function

For now this function only deletes old language packs for which we are
already packaging the strings with the application.
  • fe8c4ce8
    by Dan Ballard at 2026-01-07T09:51:16+01:00 
    TB 40701: Add security warning when downloading a file

Shown in the downloads panel, about:downloads and places.xhtml.
  • d2e736f6
    by Henry Wilkes at 2026-01-07T09:51:16+01:00 
    TB 41736: Customize toolbar for tor-browser.
  • 3d0f3cdc
    by hackademix at 2026-01-07T09:51:16+01:00 
    TB 41728: Pin bridges.torproject.org domains to Let's Encrypt's root cert public key
  • 1eb639af
    by Richard Pospesel at 2026-01-07T09:51:17+01:00 
    TB 41822: Unconditionally disable default browser UX in about:preferences
  • bbaed885
    by hackademix at 2026-01-07T09:51:17+01:00 
    TB 44127: Do not show macOS Privacy hint on network error pages
  • 9ffa3054
    by Beatriz Rizental at 2026-01-07T09:51:17+01:00 
    TB 43817: Add tests for Tor Browser

This is a catch all commits for adding any tests or
testing infrastructure that doesn't obviously fit
any other commit.
  • 0f118336
    by Cecylia Bocovich at 2026-01-07T09:51:18+01:00 
    Temporary commit: manually place generated wasm files

These files are built reproducibly using tor-browser-build: https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/merge_requests/715

We're manually adding them here while working on the interface, but
eventually these should be placed in the right location using
tor-browser-build.
  • 5108351d
    by Pier Angelo Vendrame at 2026-01-07T09:51:18+01:00 
    [android] TBA strings
  • ff0028d1
    by Dan Ballard at 2026-01-07T09:51:18+01:00 
    TB 42660: Disable ProxySelector.openConnectionWithProxy and NOPify CrashReporter.sendCrashReport
  • 3e37712b
    by Dan Ballard at 2026-01-07T09:51:19+01:00 
    TB 43006: Disable RFP for Font Visibility on Android
  • 58cb8f09
    by Matthew Finkel at 2026-01-07T09:51:19+01:00 
    TB 40005: [android] Modify Default toolbar menu

Originally android-components#40005.
  • 59ffcc49
    by Alex Catarineu at 2026-01-07T09:51:19+01:00 
    TB 34378: [android] Port external helper app prompting

Together with the corresponding fenix patch, this allows all `startActivity`
that may open external apps to be replaced by `TorUtils.startActivityPrompt`.

Originally, android-components#40007 and fenix#34378.
  • 65a3c36f
    by Alex Catarineu at 2026-01-07T09:51:20+01:00 
    TB 40002: [android] Ensure system download manager is not used

Originally, android-components#40002.

android-components#40075: Support scoped storage to enable downloads on API < 29

- in android-components!7,  we blocked all usage of Scoped
  Storage in an attempt to block usage of Android's
  DownloadManager, which is known to cause proxy bypasses
- as of Android API 29, downloads will not work without Scoped Storage,
  causing all downlaods to fail (see: fenix##40192)
- here, we enable usage of scoped storage for API >= 29, but block
  calls to DownloadManager on API < 29
  • f7345574
    by Alex Catarineu at 2026-01-07T09:51:20+01:00 
    TB 40009: [android] Change the default search engines

Originally, android-components#40009.

This matches the search engines from desktop, that is:
DDG as the default, then YouTube, Google, DDGOnion,
Startpage, Twitter, Wikipedia and Yahoo.

android-components#40062: Update DuckDuckGo onion search plugin
  • 55677bca
    by hackademix at 2026-01-07T09:51:20+01:00 
    TB 42191: [android] Temporary StrictMode relaxation to clear the thumbnail cache.
  • 7b73a6ef
    by hackademix at 2026-01-07T09:51:21+01:00 
    [android] Modify add-on support

Bug 41160: One-time ultimate switch Tor Browser Android to HTTPS-Only.
Bug 41159: Remove HTTPS-Everywhere extension from Tor Browser Android.

Bug 41094: Enable HTTPS-Only Mode by default in Tor Browser Android.

Turn shouldUseHttpsOnly's default to true.

Bug 40225: Bundled extensions don't get updated with Android Tor
           Browser updates.

Bug 40030: Install NoScript addon on startup.

Also 40070: Consider storing the list of recommended addons

This implements our own AddonsProvider, which loads the list of
available addons from assets instead of fetching it from an
endpoint.

Also, we hide the uninstall button for builtin addons.

Bug 40058: Hide option for disallowing addon in private mode
  • 8646d12d
    by clairehurst at 2026-01-07T09:51:21+01:00 
    fixup! [android] Modify add-on support
  • 7c21ee46
    by Alex Catarineu at 2026-01-07T09:51:21+01:00 
    [android] Modify Addon support

android-components#40011: Hide option for disallowing addons in private mode

android-components#40016: Allow inheriting from AddonCollectionProvider

This will allow implementing our own AddonsProvider in fenix.
  • 2d684924
    by Alex Catarineu at 2026-01-07T09:51:22+01:00 
    TB 40015: [android] Port padlock states for .onion services

Originally, android-components#40015.
  • b49cffbd
    by Matthew Finkel at 2026-01-07T09:51:22+01:00 
    [android] Modify Tracking Protection configuration

android-components#40020: Disable third-party cookies

android-components#40024: Disable tracking protection by default
  • b1930ecf
    by Alex Catarineu at 2026-01-07T09:51:22+01:00 
    TB 34439 [android]: Isolate Icon loader on Android.

Originally, android-components#34439.
  • 8ff685d5
    by Matthew Finkel at 2026-01-07T09:51:23+01:00 
    [android] Disable features and functionality

Bug 33594: Disable data collection by default (Glean)

Bug 40019: Adjust is disabled on Release when data collection is disabled

Bug 34338: Disable the crash reporter

Bug 40014: Neuter Google Advertising ID

Bug 40018: Disable Push service

Bug 40034: Disable PWA onboading

Bug 40072: Disable Tracking Protection

Bug 40061: Do not show "Send to device" in sharing menu

Bug 40109: Reduce requested permissions

Exclude LOCATION and NETWORK_STATE
  • f75cf081
    by Matthew Finkel at 2026-01-07T09:51:23+01:00 
    TB 40032 [android]: Set usesCleartextTraffic as false

Originally, fenix#40032.
  • 79fc1b61
    by Matthew Finkel at 2026-01-07T09:51:23+01:00 
    [android] Rename as Tor Browser

Bug 40020: Change applicationId

Bug 40020: Change app name

Bug 40020: Change deeplink scheme

Bug 40020: Change App icons

Bug 40073: Use correct branding on About page

Bug 40088: Use Tor Browser logo in migration screen
  • 45f3ab82
    by Georg Koppen at 2026-01-07T09:51:24+01:00 
    [android] Modify build system

Bug 40083: Make locale ordering in BuildConfig deterministic

Bug 40042: Add option do overwrite timestamp in extension version

Bug 40059: Use MOZ_BUILD_DATE for versionCode

At the same time we adapt MOZ_BUILD_DATE to our needs where it is
actually used and not in tor-browser-build. This gives us more
flexibility. See: tor-browser-build#40084.

Bug 40067: Fix reproducibility issue in classes2.dex

We make sure our MOZ_BUILD_DATE gets used as a source for showing date
related information on the Fenix about page.

Bug 40071: Show only supported locales

Bug 40064: Use Gecko Beta for Nightly and Debug variants

Bug 40123: Allow building the instrumented tests apks for variants other than debug

This allows to specify the variant of the instrumented tests via
a `testBuildType` gradle argument. It also applies a workaround for
a R8 issue from https://issuetracker.google.com/issues/140851070.

Bug 40143: Use deterministic date in Test apk

The build config was using Date() when generating the Test apk's
versionName.
  • a84abefb
    by Nicolas Vigier at 2026-01-07T09:51:24+01:00 
    TB 43987 [Android]: disable optimization for org.mozilla.experiments.nimbus

Fixing a reproducibility issue.
  • 5bcb50f2
    by Beatriz Rizental at 2026-01-07T09:51:24+01:00 
    [android] Override settings
  • 42e6c8f9
    by Alex Catarineu at 2026-01-07T09:51:25+01:00 
    TB 40087 [android]: Implement a switch for spoof English.

Originally, fenix#40087 and android-components#40019.
  • 20ce05e5
    by Matthew Finkel at 2026-01-07T09:51:25+01:00 
    TB 34403 [android]: Disable Normal mode by default.

Originally, fenix#34403.
  • 2ba7fee0
    by Matthew Finkel at 2026-01-07T09:51:25+01:00 
    TB 40016 [android]: Don't install WebCompat webext.

Originally, fenix#40016.
  • c7958dc5
    by Beatriz Rizental at 2026-01-07T09:51:26+01:00 
    TB 41197: [android] Disable autofill

Firefox is an Autofill service. From the Android docs:

> An autofill service is an app that makes it easier for users to fil
> out forms by injecting data into the views of other apps. Autofill
> services can also retrieve user data from the views in an app and
> store it for use at a later time. Autofill services are usually
> provided by apps that manage user data, such as password managers.

Tor Browser is not an autofill service. All of the autofill backend
is disabled at build time, since it lives in application-services.

This commit disabled the client side of autofill.
  • a7fa8616
    by clairehurst at 2026-01-07T09:51:26+01:00 
    TB 44098: [android] Disable sync
  • dfce4b97
    by Matthew Finkel at 2026-01-07T09:51:26+01:00 
    [android] Modify UI/UX

Bug 40015: Modify Home menu

Bug 40016: Hide unwanted Settings

Bug 40016: Modify Default toolbar menu

Bug 40016: Add Donate settings button

Bug 40016: Move Allow Screenshots under Advanced

Bug 40016: Don't install WebCompat webext

Bug 40016: Don't onboard Search Suggestions

Bug 40094: Do not use MasterPasswordTipProvider in HomeFragment

Bug 40095: Hide "Sign in to sync" in bookmarks

Bug 40031: Hide Mozilla-specific items on About page

Bug 40063: Do not sort search engines alphabetically

Bug 40141: Hide EME site permission

Bug 40166: Hide "Normal" tab (again) and Sync tab in TabTray

Bug 40167: Hide "Save to Collection" in menu

Bug 40172: Find the Quit button

Bug 40186: Hide Credit Cards in Settings

Bug 40198: Spoof English toggle now overlaps with locale list
  • 9accdef2
    by clairehurst at 2026-01-07T09:51:27+01:00 
    TB 43976: [android] Remove default browser prompt

tor-browser#43976 Remove default browser prompt
  • 35df756c
    by Matthew Finkel at 2026-01-07T09:51:27+01:00 
    TB 40026 [android]: Implement Security Level settings on Android.

Originally, fenix#40026.
  • 7ab10d9c
    by Dan Ballard at 2026-01-07T09:51:27+01:00 
    TB 41972: [android] Disable Mozilla onboarding
  • d1309301
    by clairehurst at 2026-01-07T09:51:28+01:00 
    TB 44027 [android]: Update PBM lockscreen

tor-browser#44027 Update PBM lockscreen
  • 47161006
    by Dan Ballard at 2026-01-07T09:51:28+01:00 
    TB 41878: [android] Add standalone Tor Bootstrap
  • 50322853
    by Matthew Finkel at 2026-01-07T09:51:28+01:00 
    TB 40041 [android]: Implement Tor Network Settings

Originally, fenix#40041.
  • e63171cd
    by clairehurst at 2026-01-07T09:51:29+01:00 
    [android] Implement Android-native Connection Assist UI
  • 4665275d
    by clairehurst at 2026-01-07T09:51:29+01:00 
    TB 42655 [android]: Implement "New circuit for this site" on Android
  • 8414ec47
    by clairehurst at 2026-01-07T09:51:30+01:00 
    TB 42089: [android] Remove ability to submit site support requests
  • e45cc4d0
    by clairehurst at 2026-01-07T09:51:30+01:00 
    [android] Delete unused media
  • 843e504d
    by Beatriz Rizental at 2026-01-07T09:51:30+01:00 
    TB 43243: [android] Implement Android launch test

Also remove exit call from terminate function.
It causes all espresso tests to crash on exit and otherwise doesn't do anything.
  • 270b66a2
    by Beatriz Rizental at 2026-01-07T09:51:31+01:00 
    TB 42669: [android] Use custom no-op app-services

Fetch the custom built no-op application services library
from tor-browser-build when building for Android.
  • a1293a39
    by clairehurst at 2026-01-07T09:51:31+01:00 
    TB 44196: [android] Persistent notification sometimes does not clear
  • e4544ff5
    by Beatriz Rizental at 2026-01-07T09:51:31+01:00 
    Various Android workarounds

2096 changed files:

The diff was not included because it is too large.

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