Mullvad Browser

BrowsersDesktop

A privacy-focused browser developed with the Tor Project, minimizing fingerprinting without the Tor network.

Latest 15.0.19 · · Desktopby Mullvad VPNWebsitemullvad/mullvad-browser

Branches

15.0
15.0.19
16
16.0a9Pre-release

Release activity

Release activity — 10 releases across 9 days since Apr 28, 2026. Each cell is one day; darker means more releases that day. Nothing is recorded before Apr 28, 2026. Older weeks are hidden at this screen width.
MayJunJulAug
SundayNo releases on May 3, 2026No releases on May 10, 2026No releases on May 17, 2026No releases on May 24, 2026No releases on May 31, 2026No releases on Jun 7, 2026No releases on Jun 14, 2026No releases on Jun 21, 2026No releases on Jun 28, 2026No releases on Jul 5, 2026No releases on Jul 12, 2026No releases on Jul 19, 2026No releases on Jul 26, 2026No releases on Aug 2, 2026No releases on Aug 9, 2026No releases on Aug 16, 2026
MondayNo releases on May 4, 2026No releases on May 11, 2026No releases on May 18, 2026No releases on May 25, 2026No releases on Jun 1, 2026No releases on Jun 8, 2026No releases on Jun 15, 2026No releases on Jun 22, 2026No releases on Jun 29, 2026No releases on Jul 6, 2026No releases on Jul 13, 2026No releases on Jul 20, 2026No releases on Jul 27, 2026No releases on Aug 3, 2026No releases on Aug 10, 2026
Tuesday1 release on May 5, 2026No releases on May 12, 20261 release on May 19, 2026No releases on May 26, 2026No releases on Jun 2, 2026No releases on Jun 9, 2026No releases on Jun 16, 2026No releases on Jun 23, 2026No releases on Jun 30, 2026No releases on Jul 7, 20261 release on Jul 14, 2026No releases on Jul 21, 2026No releases on Jul 28, 2026No releases on Aug 4, 2026No releases on Aug 11, 2026
WednesdayNo releases on May 6, 2026No releases on May 13, 2026No releases on May 20, 2026No releases on May 27, 2026No releases on Jun 3, 2026No releases on Jun 10, 2026No releases on Jun 17, 2026No releases on Jun 24, 2026No releases on Jul 1, 2026No releases on Jul 8, 2026No releases on Jul 15, 2026No releases on Jul 22, 2026No releases on Jul 29, 2026No releases on Aug 5, 2026No releases on Aug 12, 2026
Thursday1 release on May 7, 2026No releases on May 14, 2026No releases on May 21, 2026No releases on May 28, 20261 release on Jun 4, 2026No releases on Jun 11, 20261 release on Jun 18, 2026No releases on Jun 25, 20261 release on Jul 2, 2026No releases on Jul 9, 2026No releases on Jul 16, 2026No releases on Jul 23, 2026No releases on Jul 30, 2026No releases on Aug 6, 2026No releases on Aug 13, 2026
FridayNo releases on May 8, 2026No releases on May 15, 2026No releases on May 22, 2026No releases on May 29, 2026No releases on Jun 5, 2026No releases on Jun 12, 2026No releases on Jun 19, 2026No releases on Jun 26, 2026No releases on Jul 3, 2026No releases on Jul 10, 2026No releases on Jul 17, 20262 releases on Jul 24, 2026No releases on Jul 31, 2026No releases on Aug 7, 2026No releases on Aug 14, 2026
SaturdayNo releases on May 9, 2026No releases on May 16, 2026No releases on May 23, 2026No releases on May 30, 2026No releases on Jun 6, 2026No releases on Jun 13, 2026No releases on Jun 20, 2026No releases on Jun 27, 2026No releases on Jul 4, 2026No releases on Jul 11, 2026No releases on Jul 18, 2026No releases on Jul 25, 2026No releases on Aug 1, 2026No releases on Aug 8, 2026No releases on Aug 15, 2026

10 releases since Apr 28, 2026, busiest day 2

Changelog

Filter releases by branch
10 of 10 releases

15.0.19

Latest
Changed 2
  • Updated Firefox to 140.13.0esr
  • Updated NoScript to 13.6.31.1984
Fixed 1
  • Backport Security Fixes from Firefox 153
  • All Platforms
    • Updated Firefox to 140.13.0esr
    • Updated NoScript to 13.6.31.1984
    • Bug 558: Rebase Mullvad Browser stable onto 140.13.0esr [mullvad-browser]
    • Bug 45124: Backport Security Fixes from Firefox 153 [tor-browser]
Build System
  • All Platforms
    • Bug 41838: Update personal_access_tokens URL in tools/fetch_changelogs.py [tor-browser-build]
  • Windows
    • Bug 41819: Fix windows-rs URL in projects/firefox/config [tor-browser-build]
View originalPermalink
How 15.0.19 went

16.0a9

Pre-release
Changed 4
  • Updated Firefox to 153.0esr
  • Updated NoScript to 13.6.30.90201984
  • Updated uBlock Origin to 1.72.2
  • Disabled the settings redesign until ready
Fixed 5
  • Fixed about:preferences being broken in 153 nightlies
  • Fixed security level using an unsafe getBoolPref
  • Fixed undeclared identifier 'XRE_EXECUTABLE_FILE' in nsAppFileLocationProvider.cpp
  • Fixed wchar_t to char conversion in desktop_capture_utils.cc on Windows
  • Fixed artifact generation failing due to missing .DS_Store in branding directories on macOS
Removed 2
  • Removed translate action from urlbar
  • Removed the lock on pdfjs.disable
  • All Platforms
    • Updated Firefox to 153.0esr
    • Updated NoScript to 13.6.30.90201984
    • Updated uBlock Origin to 1.72.2
    • Bug 559: about:preferences is broken in 153 nightlies [mullvad-browser]
    • Bug 561: Rebase Mullvad Browser onto 153.0esr [mullvad-browser]
    • Bug 44439: Remove translate action from urlbar [tor-browser]
    • Bug 44811: Remove the lock on pdfjs.disable. [tor-browser]
    • Bug 45110: Disable the settings redesign until ready for us [tor-browser]
    • Bug 45131: Security level is using an unsafe getBoolPref [tor-browser]
    • Bug 45132: nsAppFileLocationProvider.cpp: use of undeclared identifier 'XRE_EXECUTABLE_FILE' [tor-browser]
  • Windows
    • Bug 555: Fix our wchar_t to char conversion in desktop_capture_utils.cc [mullvad-browser]
  • macOS
    • Bug 45108: Artifact generation fails due to missing .DS_Store in the branding directories [tor-browser]
Build System
  • All Platforms
    • Bug 41838: Update personal_access_tokens URL in tools/fetch_changelogs.py [tor-browser-build]
  • Windows
    • Bug 41819: Fix windows-rs URL in projects/firefox/config [tor-browser-build]
View originalPermalink
How 16.0a9 went

15.0.18

Changed 3
  • Updated NoScript to 13.6.30.1984
  • Updated uBlock Origin to 1.72.2
  • Cherry-pick latest firefox/esr140 commits on 140.12.0esr
  • All Platforms
    • Updated NoScript to 13.6.30.1984
    • Updated uBlock Origin to 1.72.2
    • Bug 45111: Cherry-pick latest firefox/esr140 commits on 140.12.0esr [tor-browser]
Build System
  • All Platforms
    • Bug 41821: Update gpg subkeys for boklm [tor-browser-build]
    • Bug 41827: Update morgan's keychain with renewed key [tor-browser-build]
View originalPermalink
How 15.0.18 went

16.0a8

Pre-release
Changed 5
  • Updated Firefox to 152.0a1
  • Updated NoScript to 13.6.25.90301984
  • Use context-fill for about-wordmark.svg
  • Switch colours in letterboxing setting icons to match the tab-alignment icons
  • Disable XSLT for 16.0
Fixed 12
  • Make sure desktop IP Protection is disabled on desktop
  • Remove unused pref privacy.partition.network_state
  • Several errors about EngineProcess.sys.mjs in 152
  • Wrong letterboxing background in 152
  • Resistfingerprinting not available in appearance.mjs in 152
  • ReportBrokenSite startup error in 152
Removed 1
  • Drop browser.display.use_system_colors from preference list
Security 1
  • Cross-site oracle via worklet rejection error in Safer Mode
  • All Platforms
    • Updated Firefox to 152.0a1
    • Updated NoScript to 13.6.25.90301984
    • Bug 44528: Make sure desktop IP Protection is disabled on desktop [tor-browser]
    • Bug 44795: Revert BB 27604 patch as not needed anymore [tor-browser]
    • Bug 44857: Drop browser.display.use_system_colors from our preference list [tor-browser]
    • Bug 44896: Review Mozilla 2030929: Remove unused pref privacy.partition.network_state [tor-browser]
    • Bug 44955: Use context-fill for about-wordmark.svg [tor-browser]
    • Bug 44956: Switch colours in letterboxing setting icons to match the tab-alignment icons [tor-browser]
    • Bug 45016: Several errors about EngineProcess.sys.mjs in 152 [tor-browser]
    • Bug 45017: Wrong letterboxing background in 152 [tor-browser]
    • Bug 45018: resistfingerprinting not available in appearance.mjs in 152 [tor-browser]
    • Bug 45019: ReportBrokenSite startup error in 152 [tor-browser]
    • Bug 45037: Potential runtime errors in the search service when changing JS status [tor-browser]
    • Bug 45043: Re-add missing changes to settings after 151/152 rebase [tor-browser]
    • Bug 45047: Cross-site oracle via worklet rejection error in Safer Mode [tor-browser]
    • Bug 45072: Disable XSLT already for 16.0 [tor-browser]
    • Bug 45083: Error in about:preferences due to ipprotection missing [tor-browser]
  • Windows
    • Bug 552: ABI::Windows::Graphics::Capture::IID_IGraphicsCaptureSession2 is used again in wgc_capture_session.cc [mullvad-browser]
  • macOS
    • Bug 44728: Bundled fonts are broken on macOS when the GPU process is enabled [tor-browser]
  • Linux
    • Bug 45048: Backport Bugzilla 2041887: Crash in [@ libfontconfig.so.1] after users upgraded to fontconfig 2.18.0 [tor-browser]
Build System
  • All Platforms
    • Bug 41802: Remove the tor daemon requirement for signing [tor-browser-build]
    • Bug 41809: Update toolchains for Firefox 152 [tor-browser-build]
    • Bug 41813: Disable build artifacts in make generate_gradle_dependencies_list-geckoview [tor-browser-build]
    • Bug 41821: Update gpg subkeys for boklm [tor-browser-build]
    • Bug 41823: Add versions information to the toolchain list update [tor-browser-build]
    • Bug 41827: Update morgan's keychain with renewed key [tor-browser-build]
View originalPermalink
How 16.0a8 went

15.0.16

Changed 3
  • Updated Firefox to 140.12.0esr
  • Updated NoScript to 13.6.24.1984
  • Updated uBlock Origin to 1.71.0
Fixed 1
  • Fixed NS 13.6.19.902 DocStartInjection regression
Security 1
  • Backported security fixes from Firefox 152
  • All Platforms
    • Updated Firefox to 140.12.0esr
    • Updated NoScript to 13.6.24.1984
    • Updated uBlock Origin to 1.71.0
    • Bug 553: Rebase Mullvad Browser stable onto 140.12.0esr [mullvad-browser]
    • Bug 45044: NS 13.6.19.902 DocStartInjection regressed [tor-browser]
    • Bug 45054: Backport Security Fixes from Firefox 152 [tor-browser]
Build System
  • All Platforms
    • Bug 41802: Remove the tor daemon requirement for signing [tor-browser-build]
View originalPermalink
How 15.0.16 went

16.0a7

Pre-release
Changed 8
  • Updated Firefox to 151.0a1
  • Updated NoScript to 13.6.19.90401984
  • Updated uBlock Origin to 1.71.0
  • Use settings config to hide settings, rather than data-hidden-from-search or commenting out
  • Hide the settings privacy card
  • Change how we hide SSO setting for windows
  • Update toolchains for Firefox 151
  • Switch from ftp.gnu.org to ftpmirror.gnu.org
Fixed 7
  • Switch resource:// modules to use moz-src
  • Fix date format leak in Firefox 151
  • Privacy settings are broken in 151
  • Fix clean section in rbm.local.conf.example
  • Incorrectly generated Bugzilla query link in generate-bugzilla-triage-csv.py
  • Define GetAddrInfoExCancel on mingw
  • Stop copying permissions from .mar in dmg2mar
  • All Platforms
    • Updated Firefox to 151.0a1
    • Updated NoScript to 13.6.19.90401984
    • Updated uBlock Origin to 1.71.0
    • Bug 43824: Switch resource:// modules to use moz-src: [tor-browser]
    • Bug 44630: Use settings config to hide settings, rather than data-hidden-from-search or commenting out [tor-browser]
    • Bug 44829: Hide the settings privacy card [tor-browser]
    • Bug 44869: Rebase alpha onto 151 [tor-browser]
    • Bug 44903: Use the support-page instead of tor-manual-page in moz-support-link [tor-browser]
    • Bug 44989: Backport Bug 2040704: Fix date format leak in Firefox 151 [tor-browser]
    • Bug 44990: CI failing due to dubious ownership of cached repo [tor-browser]
    • Bug 44999: Privacy settings are broken in 151 [tor-browser]
  • Windows
    • Bug 44745: Change how we hide SSO setting for windows [tor-browser]
Build System
  • All Platforms
    • Bug 41779: Update toolchains for Firefox 151 [tor-browser-build]
    • Bug 41781: Fix clean section in rbm.local.conf.example [tor-browser-build]
    • Bug 41792: Switch from ftp.gnu.org to ftpmirror.gnu.org [tor-browser-build]
    • Bug 41806: make list_toolchain_updates should check var/firefox_platform_version [tor-browser-build]
    • Bug 41807: Incorrectly generated Bugzilla query link in generate-bugzilla-triage-csv.py [tor-browser-build]
  • Windows
    • Bug 41810: Define GetAddrInfoExCancel on mingw [tor-browser-build]
  • macOS
    • Bug 41793: Stop copying permissions from .mar in dmg2mar [tor-browser-build]
View originalPermalink
How 16.0a7 went

15.0.14

Changed 2
  • Updated Firefox to 140.11.0esr
  • Updated NoScript to 13.6.19.1984
Security 1
  • Backported security fixes from Firefox 151
  • All Platforms
    • Updated Firefox to 140.11.0esr
    • Updated NoScript to 13.6.19.1984
    • Bug 44958: Backport Security Fixes from Firefox 151 [tor-browser]
Build System
  • All Platforms
    • Bug 41781: Fix clean section in rbm.local.conf.example [tor-browser-build]
View originalPermalink
How 15.0.14 went

15.0.12

Changed 1
  • Updated Firefox to 140.10.2esr
  • All Platforms
    • Updated Firefox to 140.10.2esr
Build System
  • All Platforms
    • Bug 41781: Fix clean section in rbm.local.conf.example [tor-browser-build]
View originalPermalink
How 15.0.12 went

16.0a6

Pre-release
Changed 8
  • Updated Firefox to 150.0a1
  • Updated NoScript to 13.6.17.90101984
  • Updated Mullvad Browser Extension to 0.9.10
  • Use border radius for letterboxing
  • Customize the flags for alternate Application Data directories
  • Disable widget.wayland.fractional-scale.enabled on Linux
  • Start using LTO for firefox project
  • Update toolchains for Firefox 150
Fixed 3
  • Hide the Firefox mascot in about:neterror
  • Error in privacy preference initialisation due to missing dataCollectionViewProfilesMultiProfileBackupWarning
  • Fontvis is missing Segoe MDL2 Assets on Windows
  • All Platforms
    • Updated Firefox to 150.0a1
    • Updated NoScript to 13.6.17.90101984
    • Updated Mullvad Browser Extension to 0.9.10
    • Bug 528: Rebase Mullvad Browser alpha onto 150.0a1 [mullvad-browser]
    • Bug 44402: Re-enable ESLint rule mozilla/no-browser-refs-in-toolkit as an error
    • Bug 44560: Customize the flags for alternate 'Application Data' directories [tor-browser]
    • Bug 44685: Use border radius for letterboxing [tor-browser]
    • Bug 44749: Check search engines parameter replacements [tor-browser]
    • Bug 44828: Remove browser module references from toolkit/modules/ActorManagerParent.sys.mjs [tor-browser]
    • Bug 44832: Hide the Firefox mascot in about:neterror [tor-browser]
    • Bug 44847: Drop letterboxing sidebar rounded corner logic [tor-browser]
    • Bug 44865: Block chrome:///locale/ to content [tor-browser]
    • Bug 44870: Remove legacy branch from gitlab templates [tor-browser]
    • Bug 44895: Undo the patch for #44772 [tor-browser]
    • Bug 44902: Error in privacy preference initialisation due to missing dataCollectionViewProfilesMultiProfileBackupWarning [tor-browser]
    • Bug 31860: Start using LTO for firefox project [tor-browser-build]
  • Windows
    • Bug 44862: Fontvis is missing Segoe MDL2 Assets [tor-browser]
    • Bug 44868: Backport 138c33ea964b2e0a4875aadc39d8a948e0c2aace to 150 to fix Windows builds [tor-browser]
  • Linux
    • Bug 44521: Disable widget.wayland.fractional-scale.enabled [tor-browser]
Build System
  • All Platforms
    • Bug 41764: Update toolchains for Firefox 150 [tor-browser-build]
    • Bug 41767: Add jwilde to allowed signer for browser projects [tor-browser-build]
    • Bug 41778: Remove base-browser from protected-branches.py [tor-browser-build]
    • Bug 41780: Create sha256sums-unsigned-build.txt in artifacts/$platform directories [tor-browser-build]
    • Bug 41786: Add comment to rbm.local.conf.example warning about potential recursive loops in tmp_dir definition [tor-browser-build]
    • Bug 40106: Improve error message in case of recursive definition [rbm]
  • Windows
    • Bug 44853: Update target in mozconfig-windows-x86_64 and mozconfig-windows-i686 [tor-browser]
  • macOS
    • Bug 41773: Change the position of -mindepth when creating the dmg [tor-browser-build]
View originalPermalink
How 16.0a6 went

15.0.11

Changed 2
  • Updated Firefox to 140.10.1esr
  • Updated NoScript to 13.6.18.1984
  • All Platforms
    • Updated Firefox to 140.10.1esr
    • Updated NoScript to 13.6.18.1984
    • Bug 529: Rebase Mullvad Browser stable onto 140.10.1esr [mullvad-browser]
View originalPermalink
How 15.0.11 went

More in Browsers

View all
Brave

Chromium-based browser with ad and tracker blocking built in.

Brave Software
Waterfox

A privacy-focused browser built on Firefox.

Waterfox
Floorp

A highly customizable Firefox-based browser.

Ablaze
qutebrowser

A keyboard-driven, vim-like browser.

qutebrowser
Min

A fast, minimal browser.

Min
Pale Moon

An independent Goanna-based browser continuing the classic customizable interface.

Moonchild Productions

Discussion

If you publish Mullvad Browser, you can claim this product by proving you administer its repository.