Tor Updates & Release Notes

Tor Browser 15.0.18 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 15.0.17 is:

• All Platforms
  • Updated NoScript to 13.6.30.1984
  • Bug tor-browser#45111: Cherry-pick latest firefox/esr140 commits on 140.12.0esr
• Build System
  • All Platforms
    • Bug tor-browser-build#41821: Update gpg subkeys for boklm
  • Windows + Linux + Android
    • Updated Go to 1.25.12

Original source

Tor Browser 16.0a8 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 16.0a7 is:

All Platforms

• Updated NoScript to 13.6.25.90301984
• Updated Tor to 0.4.9.11
• Updated OpenSSL to 3.5.7
• Bug tor-browser#44857: Drop browser.display.use_system_colors from our preference list
• Bug tor-browser#44896: Review Mozilla 2030929: Remove unused pref privacy.partition.network_state
• Bug tor-browser#45018: resistfingerprinting not available in appearance.mjs in 152
• Bug tor-browser#45019: ReportBrokenSite startup error in 152
• Bug tor-browser#45047: Cross-site oracle via worklet rejection error in Safer Mode
• Bug tor-browser#45072: Disable XSLT already for 16.0

Windows + macOS + Linux

• Updated Firefox to 152.0a1
• Bug tor-browser#44528: Make sure desktop IP Protection is disabled on desktop
• Bug tor-browser#44795: Revert BB 27604 patch as not needed anymore
• Bug tor-browser#44844: Use new urlbar CSS variables
• Bug tor-browser#44888: Use --button-opacity-disabled for disabled styling.
• Bug tor-browser#44955: Use context-fill for about-wordmark.svg
• Bug tor-browser#44956: Switch colours in letterboxing setting icons to match the tab-alignment icons
• Bug tor-browser#45016: Several errors about EngineProcess.sys.mjs in 152
• Bug tor-browser#45017: Wrong letterboxing background in 152
• Bug tor-browser#45037: Potential runtime errors in the search service when changing JS status
• Bug tor-browser#45043: Re-add missing changes to settings after 151/152 rebase
• Bug tor-browser#45083: Error in about:preferences due to ipprotection missing

macOS

• Bug tor-browser#44728: Bundled fonts are broken on macOS when the GPU process is enabled

Linux

• Bug @ libfontconfig.so.1#45048: Backport Bugzilla 2041887: Crash in after users upgraded to fontconfig 2.18.0 [tor-browser]

Android

• Updated GeckoView to 152.0a1
• Bug tor-browser#43856: Fix onBackPressed() deprecation
• Bug tor-browser#44091: Add frequent regions to tor connection assist for android
• Bug tor-browser#44175: Remove all default browser functionality (Android)
• Bug tor-browser#44769: TBA crash screen has firefox asset as well as a "Send crash report" button
• Bug tor-browser#45052: Initialise Tor modules on android in the same order as desktop

Build System

All Platforms

• Bug tor-browser-build#41802: Remove the tor daemon requirement for signing
• Bug tor-browser-build#41809: Update toolchains for Firefox 152
• Bug tor-browser-build#41813: Disable build artifacts in make generate_gradle_dependencies_list-geckoview
• Bug tor-browser-build#41821: Update gpg subkeys for boklm
• Bug tor-browser-build#41823: Add versions information to the toolchain list update
• Bug tor-browser-build#41827: Update morgan's keychain with renewed key

Windows + Linux + Android

• Updated Go to 1.26.4

Windows

• Bug tor-browser-build#41810: Define GetAddrInfoExCancel on mingw

Android

• Bug tor-browser#45086: Compress omni.ja with xz on Android
• Bug tor-browser-build#41830: Update the browser project to change omni.ja.xz

Original source

Tor Browser 15.0.17 is now available from the Tor Browser download page and also from our distribution directory.

This version includes important security updates to Tor.

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 15.0.16 is:

• All Platforms
  • Updated Tor to 0.4.9.11
  • Updated NoScript to 13.6.25.1984
• Build System
  • All Platforms
    • Bug tor-browser-build#41821: Update gpg subkeys for boklm
    • Bug tor-browser-build#41827: Update morgan's keychain with renewed key

Original source

Tor Browser 15.0.16 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 15.0.16 is:

• All Platforms
  • Updated NoScript to 13.6.24.1984
  • Updated OpenSSL to 3.5.7
  • Bug tor-browser#45044: NS 13.6.19.902 DocStartInjection regressed
  • Bug tor-browser#45046: Rebase Tor Browser stable onto 140.12.0esr
  • Bug tor-browser#45054: Backport Security Fixes from Firefox 152
• Windows + macOS + Linux
  • Updated Firefox to 140.12.0esr
• Android
  • Updated GeckoView to 140.12.0esr
• Build System
  • All Platforms
    • Bug tor-browser-build#41802: Remove the tor daemon requirement for signing
  • Windows + Linux + Android
    • Updated Go to 1.25.11

Original source

Tor Browser 16.0a7 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 16.0a6 is:

• All Platforms

  • Updated NoScript to 13.6.19.90401984
  • Updated Tor to 0.4.9.9
  • Bug tor-browser#42436: Allow for multiple configured (front, reflector) domain fronting pairs in Moat module
  • Bug tor-browser#44869: Rebase alpha onto 151
  • Bug tor-browser#44952: TOR_PROVIDER=none throws an error at launch
  • Bug tor-browser#44989: Backport Bug 2040704: Fix date format leak in Firefox 151
  • Bug tor-browser#44990: CI failing due to dubious ownership of cached repo
  • Bug tor-browser#44999: Privacy settings are broken in 151
  • Bug tor-browser-build#41686: Copy more build artifacts to the artifacts directory

• Windows + macOS + Linux

  • Updated Firefox to 151.0a1
  • Bug tor-browser#44903: Use the support-page instead of tor-manual-page in moz-support-link
  • Bug tor-browser#44904: Use settings config for onion site settings
  • Bug tor-browser#44991: Improve the no-authentication handling on the control port
  • Bug tor-browser#44997: Captcha doesn't work in TB desktop
  • Bug tor-browser#45005: Rename arrowpanel CSS variable

• Windows

  • Bug tor-browser#44745: Change how we hide SSO setting for windows

• Android

  • Updated GeckoView to 151.0a1
  • Bug tor-browser#43543: Make the dev icon distinct from the nightly one
  • Bug tor-browser#44211: Disable "Shake it up. Skip the scroll."
  • Bug tor-browser#44323: Audit Android Settings changes from 128 to 140
  • Bug tor-browser#44917: Disable Ads client for all channels
  • Bug tor-browser#45031: Disable AI features for Android

• Build System

  • All Platforms

    • Bug tor-browser-build#41779: Update toolchains for Firefox 151
    • Bug tor-browser-build#41781: Fix clean section in rbm.local.conf.example
    • Bug tor-browser-build#41792: Switch from ftp.gnu.org to ftpmirror.gnu.org
    • Bug tor-browser-build#41798: Update the URL to versions.ini in relprep.py
    • Bug tor-browser-build#41806: make list_toolchain_updates should check var/firefox_platform_version
    • Bug tor-browser-build#41807: Incorrectly generated Bugzilla query link in generate-bugzilla-triage-csv.py

  • Windows + Linux + Android

    • Updated Go to 1.26.3

  • macOS

    • Bug tor-browser-build#41793: Stop copying permissions from .mar in dmg2mar

  • Android

    • Bug tor-browser-build#41801: Hardlink artifacts in fix_gradle_deps.py

Original source

Tor Browser 15.0.15 is now available from the Tor Browser download page and also from our distribution directory.

This release contains important security updates to the tor daemon and fixes some censorship circumvention problems.

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 15.0.14 is:

• All Platforms
  • Updated NoScript to 13.6.20.1984
  • Updated Tor to 0.4.9.9
  • Bug tor-browser#42436: Allow for multiple configured (front, reflector) domain fronting pairs in Moat module
• Windows + macOS + Linux
  • Bug tor-browser#44997: Captcha doesn't work in TB desktop
• Linux
  • Bug tor-browser#44886: Backport tor-browser#44361: Notify Linux i686 users that they won't receive updates anymore

Original source

Tor Browser 15.0.14 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 15.0.13 is:

• All Platforms
  • Bug tor-browser#44958: Backport Security Fixes from Firefox 151
• Windows + macOS + Linux
  • Updated Firefox to 140.11.0esr
• Android
  • Updated GeckoView to 140.11.0esr
• Build System
  • All Platforms
    • Bug tor-browser-build#41781: Fix clean section in rbm.local.conf.example
    • Bug tor-browser-build#41798: Update the URL to versions.ini in relprep.py
  • Windows + Linux + Android
    • Updated Go to 1.25.10

Original source

Tor Browser 16.0a6 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 16.0a5 is:

All Platforms

• Updated tor to 0.4.9.7
• Updated NoScript to 13.6.18.90101984
• Updated OpenSSL to 3.5.6
• Bug tor-browser#43857 : Review in-source TODOs
• Bug tor-browser#44402 : Re-enable ESLint rule mozilla/no-browser-refs-in-toolkit as an error
• Bug tor-browser#44749 : Check search engines parameter replacements
• Bug tor-browser#44792 : Rebase alpha onto 150.0a1
• Bug tor-browser#44796 : Adjust TorProviderBuilder to report the provider state to consumers
• Bug tor-browser#44828 : Remove browser module references from toolkit/modules/ActorManagerParent.sys.mjs
• Bug tor-browser#44841 : TorDomainIsolator proxy filter returns null on exception instead of preserving SOCKS proxy
• Bug tor-browser#44865 : Block chrome:///locale/ to content
• Bug tor-browser#44868 : Backport 138c33ea964b2e0a4875aadc39d8a948e0c2aace to 150 to fix Windows builds
• Bug tor-browser#44870 : Remove legacy branch from gitlab templates
• Bug tor-browser#44895 : Undo the patch for #44772
• Bug tor-browser-build#41775 : Update list of Snowflake STUN servers in default bridge line, 2026 edition
• Bug tor-browser-build#41778 : Remove base-browser from protected-branches.py
• Bug tor-browser-build#41780 : Create sha256sums-unsigned-build.txt in artifacts/$platform directories

Windows + macOS + Linux

• Updated Firefox to 150.0a1
• Bug tor-browser#43824 : Switch resource:// modules to use moz-src:
• Bug tor-browser#44288 : New identity fails to block loading a custom home page
• Bug tor-browser#44458 : Fix the "Connect" and ".onion available" button height
• Bug tor-browser#44560 : Customize the flags for alternate 'Application Data' directories
• Bug tor-browser#44630 : Use settings config to hide settings, rather than data-hidden-from-search or commenting out
• Bug tor-browser#44648 : Unexpected changes to SearchService.sys.mjs
• Bug tor-browser#44685 : Use border radius for letterboxing
• Bug tor-browser#44798 : Don't load about:torconnect into iframes
• Bug tor-browser#44829 : Hide the settings privacy card
• Bug tor-browser#44832 : Hide the Firefox mascot in about:neterror
• Bug tor-browser#44846 : about:torconnect redirect doesn't work with the new neterror page
• Bug tor-browser#44847 : Drop letterboxing sidebar rounded corner logic
• Bug tor-browser#44902 : Error in privacy preference initialisation due to missing dataCollectionViewProfilesMultiProfileBackupWarning
• Bug tor-browser-build#31860 : Start using LTO for firefox project

Windows

• Bug tor-browser#44862 : Fontvis is missing Segoe MDL2 Assets
• Bug tor-browser#44868 : Backport 138c33ea964b2e0a4875aadc39d8a948e0c2aace to 150 to fix Windows builds

macOS

• Bug tor-browser#44850 : Wrong path for bootstrapped tor daemon on macOS
• Bug tor-browser-build#41476 : Since 13.5-legacy is not longer supported, remove tools/signing/wrappers/sign-rcodesign

Linux

• Bug tor-browser#44361 : Notify Linux i686 users that they won't receive updates anymore
• Bug tor-browser#44521 : Disable widget.wayland.fractional-scale.enabled

Android

• Updated GeckoView to 150.0a1
• Bug tor-browser#44615 : Remove ability to "Rate/Review in Google Play" in app
• Bug tor-browser#44827 : Always enable noscript for android
• Bug tor-browser#44842 : Replace instances of SwitchPreference with SwitchPreferenceCompat
• Bug tor-browser#44848 : Do not overwrite Android toolchains on default mozconfigs
• Bug tor-browser#44880 : Fix edgeToEdge display issue presented in 150 android rebase
• Bug tor-browser#44925 : Fix bootstrap screen color styling for light mode presented in one of the rebases between 140 and 150
• Bug tor-browser#44935 : Remove incorrectly shown "open in app" notification dot on settings button

Build System

All Platforms

• Bug tor-browser-build#41591 : Remove support for old mar filenames when 13.5 legacy branch is EOL
• Bug tor-browser-build#41764 : Update toolchains for Firefox 150
• Bug tor-browser-build#41767 : Add jwilde to allowed signer for browser projects
• Bug tor-browser-build#41778 : Remove base-browser from protected-branches.py
• Bug tor-browser-build#41780 : Create sha256sums-unsigned-build.txt in artifacts/$platform directories
• Bug tor-browser-build#41786 : Add comment to rbm.local.conf.example warning about potential recursive loops in tmp_dir definition
• Bug rbm#40106 : Improve error message in case of recursive definition

Windows + macOS + Linux

• Bug tor-browser-build#41759 : Remove references to legacy release in tor-browser-build

Windows + Linux + Android

• Bug tor-browser-build#41770 : Update Go to 1.26.x
• Updated Go to 1.26.2

Windows

• Bug tor-browser#44853 : Update target in mozconfig-windows-x86_64 and mozconfig-windows-i686

macOS

• Bug tor-browser-build#41773 : Change the position of -mindepth when creating the dmg

Linux

• Bug tor-browser#44555 : Remove mozconfig-linux-i686

Android

• Bug tor-browser#44848 : Do not overwrite Android toolchains on default mozconfigs

Original source

Tor Browser 15.0.12 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 15.0.11 is:

• All Platforms
  • Updated tor to 0.4.9.7
  • Bug tor-browser#44940: Rebase Tor Browser stable onto 140.10.2esr
• Windows + macOS + Linux
  • Updated Firefox to 140.10.2esr
  • Bug tor-browser#44746: Funding the Commons Implementation (Desktop)
• Android
  • Updated GeckoView to 140.10.2esr
  • Bug tor-browser#44747: Funding the Commons Implementation (Android)
• Build System
  • All Platforms
    • Bug tor-browser-build#41781: Fix clean section in rbm.local.conf.example

Original source

Tor Browser 15.0.11 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 15.0.10 is:

• All Platforms
  • Updated NoScript to 13.6.18.1984
  • Bug tor-browser#44907: Rebase Tor Browser onto 140.10.1esr
• Windows + macOS + Linux
  • Updated Firefox to 140.10.1esr
• Android
  • Updated GeckoView to 140.10.1esr

Original source

Tor Browser 15.0.10 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 15.0.9 is:

• All Platforms
  • Updated OpenSSL to 3.5.6
  • Bug tor-browser#44749: Check search engines parameter replacements
  • Bug tor-browser#44852: Rebase Tor Browser stable onto 140.10.0esr
  • Bug tor-browser#44859: Backport Bugzilla 1666613: Display XML error pages in the browser directionality while force LTRing the XML code itself, without the use of intl.css
  • Bug tor-browser#44863: Backport Security Fixes from Firefox 150
  • Bug tor-browser-build#41775: Update list of Snowflake STUN servers in default bridge line, 2026 edition
• Windows + macOS + Linux
  • Updated Firefox to 140.10.0esr
  • Bug tor-browser#44288: New identity fails to block loading a custom home page
• Android
  • Updated GeckoView to 140.10.0esr
• Build System
  • All Platforms
    • Bug tor-browser-build#41767: Add jwilde to allowed signer for browser projects
  • Windows + Linux + Android
    • Updated Go to 1.25.9

Original source

Tor Browser 15.0.9 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 15.0.8 is:

• All Platforms
  • Updated Tor to 0.4.9.6
  • Updated NoScript to 13.6.15.1984
  • Bug tor-browser#44837: Rebase Tor Browser stable onto 140.9.1esr
• Windows + macOS + Linux
  • Updated Firefox to 140.9.1esr
• Android
  • Updated GeckoView to 140.9.1esr
• Build System
  • All Platforms
    • Bug tor-browser-build#41758: Rename tools/signing/deploy-legacy to tools/signing/redeploy-update_responses-release
  • Windows + macOS
    • Bug tor-browser-build#41741: Create a 13.5-specific update path

Original source

Tor Browser 16.0a5 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 16.0a4 is:

All Platforms

• Updated NoScript to 13.6.14.90101984
• Updated Tor to 0.4.9.6
• Bug tor-browser#43858: Clean out deprecated or unused methods in TorConnect
• Bug tor-browser#44251: Drop pt_config.json meek-azure migration logic
• Bug tor-browser#44546: Rename appearance-chooser-item to setting-chooser-item after we reach nightly 149
• Bug tor-browser#44621: Move about:torconnect back to browser
• Bug tor-browser#44702: Rebase alpha onto 149.0a1
• Bug tor-browser#44720: Migrate New Identity commit to Tor Browser
• Bug tor-browser#44753: Drop TorProvider.isBootstrapDone
• Bug tor-browser#44755: Trusted Types (Firefox 148 and above) + Web Workers broken on Safer Level
• Bug rebase-149#44757: Update tests for removed Services.search [tor-browser]
• Bug tor-browser#44761: Safer Level's worker patching filters out Worker constructor options
• Bug tor-browser#44763: Disable WebGPU until audited
• Bug tor-browser#44764: Review Mozilla 2012344: Hide main AI settings when the feature is blocked
• Bug tor-browser#44765: Review Mozilla 1972073: Convert Sidebar to config-based prefs
• Bug tor-browser#44767: Safer Level's worker patching throws on new about:blank frames with Trusted Types
• Bug tor-browser#44772: Review Mozilla 1980264: Canvas randomization is too slow
• Bug tor-browser#44778: Safer Level: xray causes patched TrustedTypePolicy instances to be unusable by content.
• Bug tor-browser#44801: Redact onion origins from Location.ancestorOrigins.
• Bug tor-browser#44814: Disable trustpanel until our new designs are ready

Windows + macOS + Linux

• Updated Firefox to 149.0a1
• Bug tor-browser#44714: The browser opens a new about:blank tab in 148
• Bug tor-browser#44780: AIFeature.sys.mjs failures in 149 desktop builds
• Bug tor-browser#44781: Use a static page title for about:torconnect
• Bug tor-browser#44793: privacy.spoof_english console error in about:preferences
• Bug tor-browser#44797: Clean up about:torconnect styling
• Bug tor-browser#44799: Onionize toggle in about:tor uses blue text color

Android

• Updated GeckoView to 149.0a1
• Bug tor-browser#43790: Address "Various android workarounds" commit introduced in the 138 rebase
• Bug tor-browser#44332: Fix android tor logs screen issues presented in 144 rebase
• Bug tor-browser#44594: DoH is visible on Android
• Bug tor-browser#44653: Disable "Allow search suggestions in private sessions" prompt presented in RR 148 android
• Bug tor-browser#44694: Remove new "Tab bar" feature on Android
• Bug tor-browser#44698: Clean up comments in AccountSettingsFragment.kt. FIXME: Update A-S
• Bug tor-browser#44700: Untracked change to HomepageHeader.kt
• Bug tor-browser#44751: Noscript (and likely any extension) can be accidently turned off on Android alpha
• Bug tor-browser#44752: Remove new expanded toolbar option on Android due to fingerprintability
• Bug tor-browser#44785: Fix SiteSecurityRobot.kt after the 149 rebase
• Bug tor-browser#44788: Extensions are unreachable via 3 dot menu in alpha (android)
• Bug tor-browser#44789: Icon of "New Circuit" is not centered but lies in top left corner

Build System

All Platforms

• Bug tor-browser#43180: Remove translation CI 13.5 legacy extension
• Bug tor-browser-build#41758: Rename tools/signing/deploy-legacy to tools/signing/redeploy-update_responses-release
• Bug tor-browser-build#41766: Use gzip for all platforms for Go vendoring

Windows + macOS

• Bug tor-browser-build#41741: Create a 13.5-specific update path

macOS

• Bug tor-browser-build#41753: Allow running custom commands when vendoring Go dependencies

Original source

Arti is our ongoing project to create a next-generation Tor implementation in Rust. We're happy to announce the latest release, Arti 2.2.0.

This release adds support for using HTTP CONNECT rather than SOCKS, when connecting to the Tor network via Arti. This previously-experimental feature is now included a full build, and will then be enabled by default. The HTTP CONNECT protocol is available over the same port as SOCKS.

The RPC client library (arti-rpc-client-core) now supports non-blocking requests, and integration with application event loops. And the RPC system now supports administrative access to the Arti instance, via a new "superuser" facility.

We also fixed a low-severity security issue, TROVE-2026-005, which would somewhat weaken DoS resistance in in certain unusual embedded build configurations.

Behind the scenes we have been working on relay support, including relay channels and circuits, and directory server functionality (mirrors and authorities). As ever there are also lots of bugfixes, cleanups, and test and CI improvements.

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 hjrgrn, HydroxideUnlaced, Nihal, and Tobias Stoeckmann.

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

Original source