Support for Google’s Widevine CDM on Windows and Mac OS X so streaming services like Amazon Video can switch from Silverlight to encrypted HTML5 video.
Enable VP9 video codec for users with fast machines
Embedded YouTube videos now play with HTML5 video if Flash is not installed.
Allow no-cache on back/forward navigations for https resources
Embedded YouTube videos now play with HTML5 video if Flash is not installed
Changed
FUEL (Firefox User Extension Library) has been removed. Add-ons relying on it will stop working.
The browser.sessionstore.restore_on_demand preference has been reset to its default value (true) to avoid e10s performance problems. Because faster is better!
The Firefox click-to-activate plugin whitelist has been removed.
Developer
View, start,and debug registered Service Workers in the Service Workers developer tool
Simulate Push messages in the Service Workers developer tool
Tilt is available as extension on AMO
See Firefox run! Review Firefox performance data in about:performance.
'Start' button for service workers in about:debugging to start registered Service Workers
Changes that can affect add-on compatibility
Added support for ChaCha20/Poly1305 cipher suites
Custom user agents supported in Responsive Design Mode
Smart multi-line input in the Web Console
HTML5
cuechange events are now available on TextTrack objects
WebCrypto: PBKDF2 supports SHA-2 hash algorithms
WebCrypto: RSA-PSS signature support
Förändringar v36.0 Beta 2 -> v38.0 Beta 8
What’s New
New: New tab-based Preferences
New: Share the active tab or window in a Hello conversation - enabled for first half of the beta cycle
New: Keep track of articles and blog posts with the Reading List - enabled for the first half of the beta cycle
New: Ruby annotation support
New: Base for the next ESR release.
Changed: autocomplete=off is no longer supported for username/password fields
Changed: URL parser avoids doing percent encoding when setting the Fragment part of the URL, and percent decoding when getting the Fragment in line with the URL spec
Changed: RegExp.prototype.source now returns "(?:)" instead of the empty string for empty regular expressions
Changed: Page load times improved by speculative connection warmup
HTML5: WebSocket now available in Web Workers
HTML5: Implemented srcset attribute and element for responsive images
HTML5: Implemented DOM3 Events KeyboardEvent.code
HTML5: BroadcastChannel API implemented (more at hacks.mozilla.org)
HTML5: Mac OS X: Implemented a subset of the Media Source Extensions (MSE) API to allow native HTML5 playback on YouTube
HTML5: Implemented Encrypted Media Extensions (EME) API to support encrypted HTML5 video/audio playback
HTML5: Automatically download Adobe Primetime Content Decryption Module (CDM) for DRM playback through EME
Developer: Optimized-out variables are now visible in Debugger UI
Developer: XMLHttpRequest logs in the web console are now visually labelled and can be filtered separately from regular network requests
Developer: copy command added to console
Developer: WebRTC now has multistream and renegotiation support
Förändringar v34.0 Beta2 -> v36.0 Beta 2
What’s New
New: Pinned tiles on the new tab page can be synced
New: New preferences implementation enabled for the first half of the beta cycle
Changed: -remote option removed
Changed: No longer accept insecure RC4 ciphers whenever possible
Changed: Add-on Compatibility
HTML5: Implemented a subset of the Media Source Extensions (MSE) API to allow native HTML5 playback on YouTube. Full support is on the way
HTML5: Support for the ECMAScript 6 Symbol data type added
HTML5: unicode-range CSS descriptor implemented
HTML5: CSSOM-View scroll behavior implemented (allowing smooth scrolling of content without custom libraries)
HTML5: object-fit and object-position implemented
HTML5: isolation CSS property implemented
HTML5: CSS3 will-change property implemented
HTML5: Improved new ES6 generators for better performance
HTML5: Changed JavaScript 'const' semantics to conform better to the ES6 specification
Developer: Use the filename supplied by the //# sourceURL= directive for stack frames in the string returned by the Error.prototype.stack getter.
Developer: DOM Promises inspection
Developer: Inspector: More paste options in markup view
Fixed: CSS gradients work on premultiplied colors
Fixed: Fix some unexpected logout from Facebook or Google after restart
Known Issues
unresolved: Crashes with "Enhanced Steam" extension enabled on Steam websites (see bug 1117873)
Förändringar v31.0 -> v34.0 Beta2
New: Firefox Hello real-time communication client
New: Easily switch themes/personas directly in the Customizing mode
New: Built-in support for H264 (MP4) on Mac OS X Leopard (10.6) and newer through native APIs
New: Wikipedia search now uses HTTPS for secure searching
New: Non-intrusive way to set Firefox as default browser
New: Implementation of HTTP/2 (draft14) and ALPN
New: Recover from a locked Firefox process in the "Firefox is already running" dialog on Windows
HTML5: ECMAScript 6 WeakSet Implemented
HTML5: JavaScript Template Strings Implemented
HTML5: CSS3 Font variants and features control (e.g. kerning) implemented
HTML5: WebCrypto: RSA-OAEP, PBKDF2 and AES-KW support
HTML5: WebCrypto: wrapKey and unwrapKey implemented
HTML5: WebCrypto: Import/export of JWK-formatted keys
HTML5: matches() DOM API implemented (formerly mozMatchesSelector())
HTML5: Performance.now() for workers implemented
HTML5: WebCrypto: ECDH support
HTML5: Support for the ECMAScript 6 Symbol data type added
Developer: WebIDE: Create, edit, and test a new Web application from your browser
Developer: Highlight all nodes that match a given selector in the Style Editor and the Inspector's Rules panel
Developer: Improved User Interface of the Profiler
Developer: console.table function added to web console
Fixed: CSS transitions start correctly when started at the same time as changes to display, position, overflow, and similar properties
Förändringar v30.0 -> v31.0
What’s New
New: Add the search field to the new tab page
New: mozilla::pkix as default certificate verifier (learn more)
New: OdinMonkey: Use backtracking allocator for asm.js style code
New: Integration of generational garbage collection
New: Partial implementation of the OpenType MATH table (section 6.3.6) see documentation about mathematical fonts and the MathML Torture Test for details
New: audio/video .ogg and .pdf files handled by Firefox if no application specified (Windows only)
Changed: Removal of the CAPS infrastructure for specifying site-specific permissions (via capability.policy.* preferences). Most notably, attempts to use this functionality to grant access to the clipboard will no longer work. The sole exception is the checkloaduri permission, which may still be used as before to allow sites to load file:// URIs.
HTML5: WebVTT implemented and enabled (learn more)
Developer: navigator.sendBeacon enabled by default (learn more)
Developer: Dialogs spawned from the onbeforeunload event no longer block access to the rest of the browser
Fixed: Search for partially selected link text from context menu (985824)
Known Issues
unresolved: Slow shut downs lead to 'Firefox is already running' warning (see 966469 and 985655)
unresolved: Without affecting security, after restoring your session, Extended Validation Certificates might not display (See 995801). Resolved in v31.0a2
unresolved: Mac OS X and Windows: Citrix Receiver no longer works. As a workaround, mark the plugin as Always Enable in the addon manager (1025627)
unresolved: GNU/Linux and Windows XP: Google Maps Street View displays a black screen (1034593). Resolved in v32.0a2
unresolved: Mac OS X: cmd-L no longer opens a new window when no window is available (1008793). Resolved in v32.0a2
Förändringar v27.0 Beta 6 -> v27.0 Beta 7
What’s New
NEW: You can now run more than one service at a time with Firefox SocialAPI, allowing you to receive notifications, chat and more from multiple integrated services
NEW: Implemented support for TLS 1.2 (RFC 5246)
CHANGED: Added support for SPDY 3.1 protocol
DEVELOPER: Ability to reset style sheets using 'all:unset'
DEVELOPER: You can now choose to deobfuscate javascript in the debugger (see 762761)
DEVELOPER: Added support for scrolled fieldsets (see 261037)
DEVELOPER: Implemented allow-popups directive for iframe sandbox, enabling increased security (see 766282)
DEVELOPER: CSS cursor keywords -moz-grab and -moz-grabbing have been unprefixed (see 880672)
DEVELOPER: Added support for ES6 generators in SpiderMonkey (see blog post)
DEVELOPER: Implemented support for mathematical function Math.hypot() in ES6 (see 896264)
HTML5: Dashed line support on Canvas (see 768067)
FIXED: Get Azure/Skia content rendering working on Linux (see 740200)
Known Issues
Unresolved: Moving Firefox to background while playing a flash video in full screen mode and bring it back to view will freeze the app (see 809055)
Förändringar v27.0 Beta 5 -> v27.0 Beta 6
What’s New
NEW: You can now run more than one service at a time with Firefox SocialAPI, allowing you to receive notifications, chat and more from multiple integrated services
NEW: Implemented support for TLS 1.2 (RFC 5246)
CHANGED: Added support for SPDY 3.1 protocol
DEVELOPER: Ability to reset style sheets using 'all:unset'
DEVELOPER: You can now choose to deobfuscate javascript in the debugger (see 762761)
DEVELOPER: Added support for scrolled fieldsets (see 261037)
DEVELOPER: Implemented allow-popups directive for iframe sandbox, enabling increased security (see 766282)
DEVELOPER: CSS cursor keywords -moz-grab and -moz-grabbing have been unprefixed (see 880672)
DEVELOPER: Added support for ES6 generators in SpiderMonkey (see blog post)
DEVELOPER: Implemented support for mathematical function Math.hypot() in ES6 (see 896264)
HTML5: Dashed line support on Canvas (see 768067)
FIXED: Get Azure/Skia content rendering working on Linux (see 740200)
Known Issues
Unresolved: Moving Firefox to background while playing a flash video in full screen mode and bring it back to view will freeze the app (see 809055)
Förändringar v26.0 Beta 4 -> v26.0 Beta 5
What’s New
NEW: All plug-ins, with the exception of recent Flash plug-ins, are defaulted to 'click to play'
NEW: Password manager now supports script-generated password fields
NEW: Updates can now be performed by Windows users without write permissions to Firefox install directory (requires Mozilla Maintenance Service)
NEW: Support for H.264 on Linux if the appropriate gstreamer plug-ins are installed
CHANGED: Support for MP3 decoding on Windows XP, completing MP3 support across Windows OS versions
CHANGED: CSP implementation now supports multiple policies, including the case of both an enforced and Report-Only policy, per the spec
DEVELOPER: Social API now supports Social Bookmarking for multiple providers through its SocialMarks functionality (see MDN docs)
DEVELOPER: There is no longer a prompt when websites use appcache
DEVELOPER: Support for the CSS image orientation property
DEVELOPER: New App Manager allows you to deploy and debug HTML5 webapps on Firefox OS phones and the Firefox OS Simulator
DEVELOPER: IndexedDB can now be used as a "optimistic" storage area so it doesn't require any prompts and data is stored in a pool with LRU eviction policy, in short temporary storage
FIXED: When displaying a standalone image, Firefox matches the EXIF orientation information contained within the JPEG image (298619)
FIXED: Improved page load times due to no longer decoding images that aren't visible (847223)
FIXED: AudioToolbox MP3 backend for OSX (914479)
Known Issues
Unresolved: Moving Firefox to background while playing a flash video in full screen mode and bring it back to view will freeze the app (see 809055)
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Förändringar v26.0 Beta 3 -> v26.0 Beta 4
What’s New
NEW: All plug-ins, with the exception of recent Flash plug-ins, are defaulted to 'click to play'
NEW: Password manager now supports script-generated password fields
NEW: Updates can now be performed by Windows users without write permissions to Firefox install directory (requires Mozilla Maintenance Service)
NEW: Support for H.264 on Linux if the appropriate gstreamer plug-ins are installed
CHANGED: Support for MP3 decoding on Windows XP, completing MP3 support across Windows OS versions
CHANGED: CSP implementation now supports multiple policies, including the case of both an enforced and Report-Only policy, per the spec
DEVELOPER: Social API now supports Social Bookmarking for multiple providers through its SocialMarks functionality (see MDN docs)
DEVELOPER: There is no longer a prompt when websites use appcache
DEVELOPER: Support for the CSS image orientation property
DEVELOPER: New App Manager allows you to deploy and debug HTML5 webapps on Firefox OS phones and the Firefox OS Simulator
DEVELOPER: IndexedDB can now be used as a "optimistic" storage area so it doesn't require any prompts and data is stored in a pool with LRU eviction policy, in short temporary storage
FIXED: When displaying a standalone image, Firefox matches the EXIF orientation information contained within the JPEG image (298619)
FIXED: Improved page load times due to no longer decoding images that aren't visible (847223)
FIXED: AudioToolbox MP3 backend for OSX (914479)
Known Issues
Unresolved: Moving Firefox to background while playing a flash video in full screen mode and bring it back to view will freeze the app (see 809055)
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Förändringar v26.0 Beta 2 -> v26.0 Beta 3
What’s New
NEW: All plug-ins, with the exception of recent Flash plug-ins, are defaulted to 'click to play'
NEW: Password manager now supports script-generated password fields
NEW: Updates can now be performed by Windows users without write permissions to Firefox install directory (requires Mozilla Maintenance Service)
NEW: Support for H.264 on Linux if the appropriate gstreamer plug-ins are installed
CHANGED: Support for MP3 decoding on Windows XP, completing MP3 support across Windows OS versions
CHANGED: CSP implementation now supports multiple policies, including the case of both an enforced and Report-Only policy, per the spec
DEVELOPER: Social API now supports Social Bookmarking for multiple providers through its SocialMarks functionality (see MDN docs)
DEVELOPER: There is no longer a prompt when websites use appcache
DEVELOPER: Support for the CSS image orientation property
DEVELOPER: New App Manager allows you to deploy and debug HTML5 webapps on Firefox OS phones and the Firefox OS Simulator
DEVELOPER: IndexedDB can now be used as a "optimistic" storage area so it doesn't require any prompts and data is stored in a pool with LRU eviction policy, in short temporary storage
FIXED: When displaying a standalone image, Firefox matches the EXIF orientation information contained within the JPEG image (298619)
FIXED: Improved page load times due to no longer decoding images that aren't visible (847223)
FIXED: AudioToolbox MP3 backend for OSX (914479)
Known Issues
Unresolved: Moving Firefox to background while playing a flash video in full screen mode and bring it back to view will freeze the app (see 809055)
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Förändringar v25.0 -> v26.0 Beta 1
What’s New
NEW: Windows 8 optimized Aurora is ready for use (see blog post)
NEW: All plug-ins in Firefox, with the exception of Flash plug-ins, are defaulted to 'click to play'
NEW: You can now run more than one service at a time with Firefox SocialAPI, allowing you to receive notifications, chat and more from multiple integrated services
NEW: Firefox's password manager now supports script-generated password fields
NEW: Updates can now be performed by Windows users without write permissions to Firefox install directory (requires Mozilla Maintenance Service)
NEW: Firefox now supports H.264 on Linux if the appropriate gstreamer plug-ins are installed
CHANGED: Firefox now supports MP3 decoding on Windows XP, completing MP3 support across Windows OS versions
CHANGED: CSP implementation now supports multiple policies, including the case of both an enforced and Report-Only policy, per the spec
DEVELOPER: Firefox's Social API now supports Social Bookmarking for multiple providers through its SocialMarks functionality (see MDN docs)
DEVELOPER: Experimental support for CSS sticky positioning (Aurora only - demo)
DEVELOPER: Firefox no longer prompts when websites use appcache
DEVELOPER: Firefox now supports the CSS image orientation property
DEVELOPER: New App Manager allows you to deploy and debug HTML5 webapps on Firefox OS phones and the Firefox OS Simulator
DEVELOPER: IndexedDB can now be used as a "optimistic" storage area so it doesn't require any prompts and data is stored in a pool with LRU eviction policy, in short temporary storage
FIXED: When displaying a standalone image, Firefox matches the EXIF orientation information contained within the JPEG image (see 298619)
FIXED: Improved page load times due to no longer decoding images that aren't visible (see 847223)
FIXED: AudioToolbox MP3 backend for OSX (see 914479)
Known Issues
Unresolved: Moving Firefox to background while playing a flash video in full screen mode and bring it back to view will freeze the app (see 809055)
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Förändringar v24.0 -> v25.0
NEW: The find bar is no longer shared between tabs
CHANGED: If away from Firefox for months, you now will be offered the option to migrate another browser's history and settings
CHANGED: Resetting Firefox no longer clears your browsing session
DEVELOPER: CSS3 background-attachment:local support to control background scrolling
DEVELOPER: Many new ES6 functions implemented
HTML5: iframe document content can now be specified inline
Förändringar v25.0 Beta 8 -> v25.0 Beta 9
What’s New
NEW: The find bar is no longer shared between tabs
CHANGED: If away from Firefox for months, you now will be offered the option to migrate another browser's history and settings
CHANGED: Resetting Firefox no longer clears your browsing session
DEVELOPER: CSS3 background-attachment:local support to control background scrolling
DEVELOPER: Many new ES6 functions implemented
HTML5: iframe document content can now be specified inline
Known Issues
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Förändringar v24.0 -> v25.0 Beta 1
What’s New
NEW: The find bar is no longer shared between tabs
CHANGED: If away from Firefox for months, you now will be offered the option to migrate another browser's history and settings
CHANGED: Resetting Firefox no longer clears your browsing session
DEVELOPER: CSS3 background-attachment:local support to control background scrolling
DEVELOPER: Many new ES6 functions implemented
HTML5: iframe document content can now be specified inline
FIXED: Blank or missing page thumbnails when opening a new tab
Known Issues
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Förändringar v24.0 Beta 7 -> v24.0 Beta 8
What’s New
NEW: Support for new scrollbar style in Mac OS X 10.7 and newer
NEW: Implemented Close tabs to the right
NEW: Social: Ability to tear-off chat windows to view separately by simply dragging them out
CHANGED: Accessibility related improvements on using pinned tabs (see 577727)
DEVELOPER: Major SVG rendering improvements around Image tiling and scaling (see 600207)
DEVELOPER: Improved and unified Browser console for enhanced debugging experience, replacing existing Error console
DEVELOPER: Removed support for sherlock files that are loaded from application or profile directory
HTML5: Support for W3C touch events disabled (see 888304)
Known Issues
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Förändringar v24.0 Beta 4 -> v24.0 Beta 5
What’s New
NEW: Support for new scrollbar style in Mac OS X 10.7 and newer
NEW: Implemented Close tabs to the right
NEW: Social: Ability to tear-off chat windows to view separately by simply dragging them out
CHANGED: Accessibility related improvements on using pinned tabs (see 577727)
DEVELOPER: Major SVG rendering improvements around Image tiling and scaling (see 600207)
DEVELOPER: Improved and unified Browser console for enhanced debugging experience, replacing existing Error console
DEVELOPER: Removed support for sherlock files that are loaded from application or profile directory
HTML5: Support for W3C touch events disabled (see 888304)
Known Issues
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Förändringar v24.0 Beta 2 -> v24.0 Beta 3
What’s New
NEW: Support for new scrollbar style in Mac OS X 10.7 and newer
NEW: Implemented Close tabs to the right
NEW: Social: Ability to tear-off chat windows to view separately by simply dragging them out
CHANGED: Accessibility related improvements on using pinned tabs (see 577727)
DEVELOPER: Major SVG rendering improvements around Image tiling and scaling (see 600207)
DEVELOPER: Improved and unified Browser console for enhanced debugging experience, replacing existing Error console
DEVELOPER: Removed support for sherlock files that are loaded from application or profile directory
HTML5: Support for W3C touch events disabled (see 888304)
Known Issues
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Förändringar v24.0 Beta 1 -> v24.0 Beta 2
What’s New
NEW: Support for new scrollbar style in Mac OS X 10.7 and newer
NEW: Implemented Close tabs to the right
NEW: Social: Ability to tear-off chat windows to view separately by simply dragging them out
CHANGED: Accessibility related improvements on using pinned tabs (see 577727)
DEVELOPER: Major SVG rendering improvements around Image tiling and scaling (see 600207)
DEVELOPER: Improved and unified Browser console for enhanced debugging experience, replacing existing Error console
DEVELOPER: Removed support for sherlock files that are loaded from application or profile directory
HTML5: Support for W3C touch events disabled (see 888304)
Known Issues
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Förändringar v23.0 -> v24.0 Beta 1
What’s New
NEW: Support for new scrollbar style in Mac OS X 10.7 and newer
NEW: Implemented Close tabs to the right
NEW: Social: Ability to tear-off chat windows to view separately by simply dragging them out
CHANGED: Accessibility related improvements on using pinned tabs (see 577727)
DEVELOPER: Major SVG rendering improvements around Image tiling and scaling (see 600207)
DEVELOPER: Improved and unified Browser console for enhanced debugging experience, replacing existing Error console
DEVELOPER: Removed support for sherlock files that are loaded from application or profile directory
HTML5: Support for W3C touch events disabled (see 888304)
Known Issues
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Förändringar v23.0 -> v23.0.1
What’s New
FIXED: 23.0.1 - Rendering glitches on H.264 video only in FF23 on Vista (901944)
FIXED: 23.0.1 - Spellchecking broken with non-ASCII characters in profile path (902532)
FIXED: 23.0.1 - Audio static/"burble"/breakup in Firefox to Firefox WebRTC calls (901527)
NEW: Mixed content blocking enabled to protects users from man-in-the-middle attacks and eavesdroppers on HTTPS pages (learn more)
NEW: Options panel created for Web Developer Toolbox
CHANGED: "Enable JavaScript" preference checkbox has been removed and user-set values will be reset to the default
CHANGED: Updated Firefox Logo
CHANGED: Improved about:memory's functional UI
CHANGED: Simplified interface for notifications of plugin installation
CHANGED: Enabled DXVA2 on Windows Vista+ to accelerate H.264 video decoding
CHANGED: Users can now switch to a new search provider across the entire browser
CHANGED: CSP policies using the standard syntax and semantics will now be enforced
CHANGED: "Load images automatically" and Always show the tab bar" checkboxes removed from preferences and reset to defaults. Want to hide one tab? Try this add-on.
CHANGED: rendering improvements (see bug 838675)
DEVELOPER: HTML5 form control implemented
DEVELOPER: Implemented a global browser console
DEVELOPER: Social share functionality
DEVELOPER: Added unprefixed requestAnimationFrame
DEVELOPER: Write more accessible pages on touch interfaces with new ARIA role for key buttons
DEVELOPER: Dropped blink effect from text-decoration: blink; and completely removed
Förändringar v22.0 -> v23.0
NEW Mixed content blocking enabled to protects users from man-in-the-middle attacks and eavesdroppers on HTTPS pages (learn more)
NEW Options panel created for Web Developer Toolbox
CHANGED "Enable JavaScript" preference checkbox has been removed and user-set values will be reset to the default
CHANGED Updated Firefox Logo
CHANGED Improved about:memory's functional UI
CHANGED Simplified interface for notifications of plugin installation
CHANGED Enabled DXVA2 on Windows Vista+ to accelerate H.264 video decoding
CHANGED Users can now switch to a new search provider across the entire browser
CHANGED CSP policies using the standard syntax and semantics will now be enforced
CHANGED rendering improvements (see bug 838675)
CHANGED Replace fixed-ratio audio resampler in webrtc.org capture code with Speex resampler and eliminate pseudo-44000Hz rate
CHANGED "Load images automatically" and Always show the tab bar" checkboxes removed from preferences and reset to defaults
DEVELOPER HTML5 form control implemented
DEVELOPER Write more accessible pages on touch interfaces with new ARIA role for key buttons
DEVELOPER Social share functionality
DEVELOPER Added unprefixed requestAnimationFrame
DEVELOPER Implemented a global browser console
DEVELOPER Dropped blink effect from text-decoration: blink; and completely removed
Förändringar v23.0 Beta 6 -> v23.0 Beta 7
What’s New
NEW: Support for new scrollbar style in Mac OS X 10.7 and newer
NEW: Mixed content blocking enabled to protects users from man-in-the-middle attacks and eavesdroppers on HTTPS pages (learn more)
CHANGED: Improved about:memory's functional UI
CHANGED: Enabled DXVA2 on Windows Vista+ to accelerate H.264 video decoding
CHANGED: Updated Firefox Logo
CHANGED: "Load images automatically", "Enable JavaScript", and Always show the tab bar" checkboxes removed from preferences and reset to defaults
CHANGED: Simplified interface for notifications of plugin installation
CHANGED: Users can now switch to a new search provider across the entire browser
CHANGED: CSP policies using the standard syntax and semantics will now be enforced
DEVELOPER: Implemented a global browser console
DEVELOPER: Social share functionality
DEVELOPER: HTML5 form control implemented
DEVELOPER: Write more accessible pages on touch interfaces with new ARIA role for key buttons
DEVELOPER: Added unprefixed requestAnimationFrame
DEVELOPER: New feature in toolbox: Network Monitor
DEVELOPER: Dropped blink effect from text-decoration: blink; and completely removed
Förändringar v23.0 Beta 5 -> v23.0 Beta 6
What’s New
NEW: Support for new scrollbar style in Mac OS X 10.7 and newer
NEW: Mixed content blocking enabled to protects users from man-in-the-middle attacks and eavesdroppers on HTTPS pages (learn more)
CHANGED: Improved about:memory's functional UI
CHANGED: Enabled DXVA2 on Windows Vista+ to accelerate H.264 video decoding
CHANGED: Updated Firefox Logo
CHANGED: "Load images automatically", "Enable JavaScript", and Always show the tab bar" checkboxes removed from preferences and reset to defaults
CHANGED: Simplified interface for notifications of plugin installation
CHANGED: Users can now switch to a new search provider across the entire browser
CHANGED: CSP policies using the standard syntax and semantics will now be enforced
DEVELOPER: Implemented a global browser console
DEVELOPER: Social share functionality
DEVELOPER: HTML5 form control implemented
DEVELOPER: Write more accessible pages on touch interfaces with new ARIA role for key buttons
DEVELOPER: Added unprefixed requestAnimationFrame
DEVELOPER: New feature in toolbox: Network Monitor
DEVELOPER: Dropped blink effect from text-decoration: blink; and completely removed
Förändringar v23.0 Beta 4 -> v23.0 Beta 5
What’s New
NEW: Support for new scrollbar style in Mac OS X 10.7 and newer
NEW: Mixed content blocking enabled to protects users from man-in-the-middle attacks and eavesdroppers on HTTPS pages (learn more)
CHANGED: Improved about:memory's functional UI
CHANGED: Enabled DXVA2 on Windows Vista+ to accelerate H.264 video decoding
CHANGED: Updated Firefox Logo
CHANGED: "Load images automatically", "Enable JavaScript", and Always show the tab bar" checkboxes removed from preferences and reset to defaults
CHANGED: Simplified interface for notifications of plugin installation
CHANGED: Users can now switch to a new search provider across the entire browser
CHANGED: CSP policies using the standard syntax and semantics will now be enforced
DEVELOPER: Implemented a global browser console
DEVELOPER: Social share functionality
DEVELOPER: HTML5 form control implemented
DEVELOPER: Write more accessible pages on touch interfaces with new ARIA role for key buttons
DEVELOPER: Added unprefixed requestAnimationFrame
DEVELOPER: New feature in toolbox: Network Monitor
DEVELOPER: Dropped blink effect from text-decoration: blink; and completely removed
Förändringar v23.0 Beta 3 -> v23.0 Beta 4
What’s New
NEW: Support for new scrollbar style in Mac OS X 10.7 and newer
NEW: Mixed content blocking enabled to protects users from man-in-the-middle attacks and eavesdroppers on HTTPS pages (learn more)
CHANGED: Improved about:memory's functional UI
CHANGED: Enabled DXVA2 on Windows Vista+ to accelerate H.264 video decoding
CHANGED: Updated Firefox Logo
CHANGED: "Load images automatically", "Enable JavaScript", and Always show the tab bar" checkboxes removed from preferences and reset to defaults
CHANGED: Simplified interface for notifications of plugin installation
CHANGED: Users can now switch to a new search provider across the entire browser
CHANGED: CSP policies using the standard syntax and semantics will now be enforced
DEVELOPER: Implemented a global browser console
DEVELOPER: Social share functionality
DEVELOPER: HTML5 form control implemented
DEVELOPER: Write more accessible pages on touch interfaces with new ARIA role for key buttons
DEVELOPER: Added unprefixed requestAnimationFrame
DEVELOPER: New feature in toolbox: Network Monitor
DEVELOPER: Dropped blink effect from text-decoration: blink; and completely removed
Förändringar v23.0 Beta 2 -> v23.0 Beta 3
What’s New
NEW: Support for new scrollbar style in Mac OS X 10.7 and newer
NEW: Mixed content blocking enabled to protects users from man-in-the-middle attacks and eavesdroppers on HTTPS pages (learn more)
CHANGED: Improved about:memory's functional UI
CHANGED: Enabled DXVA2 on Windows Vista+ to accelerate H.264 video decoding
CHANGED: Updated Firefox Logo
CHANGED: "Load images automatically", "Enable JavaScript", and Always show the tab bar" checkboxes removed from preferences and reset to defaults
CHANGED: Simplified interface for notifications of plugin installation
CHANGED: Users can now switch to a new search provider across the entire browser
CHANGED: CSP policies using the standard syntax and semantics will now be enforced
DEVELOPER: Implemented a global browser console
DEVELOPER: Social share functionality
DEVELOPER: HTML5 form control implemented
DEVELOPER: Write more accessible pages on touch interfaces with new ARIA role for key buttons
DEVELOPER: Added unprefixed requestAnimationFrame
DEVELOPER: New feature in toolbox: Network Monitor
DEVELOPER: Dropped blink effect from text-decoration: blink; and completely removed
Förändringar v23.0 Beta 1 -> v23.0 Beta 2
What’s New
NEW: Support for new scrollbar style in Mac OS X 10.7 and newer
NEW: Mixed content blocking enabled to protects users from man-in-the-middle attacks and eavesdroppers on HTTPS pages (learn more)
CHANGED: Improved about:memory's functional UI
CHANGED: Enabled DXVA2 on Windows Vista+ to accelerate H.264 video decoding
CHANGED: Updated Firefox Logo
CHANGED: "Load images automatically", "Enable JavaScript", and Always show the tab bar" checkboxes removed from preferences
CHANGED: Simplified interface for notifications of plugin installation
CHANGED: Users can now switch to a new search provider across the entire browser
CHANGED: CSP policies using the standard syntax and semantics will now be enforced
DEVELOPER: Implemented a global browser console
DEVELOPER: Social share functionality
DEVELOPER: HTML5 form control implemented
DEVELOPER: Write more accessible pages on touch interfaces with new ARIA role for key buttons
DEVELOPER: Added unprefixed requestAnimationFrame
DEVELOPER: New feature in toolbox: Nework Monitor
DEVELOPER: Dropped blink effect from text-decoration: blink; and completely removed
Förändringar v21.0 -> v22.0
What’s New
NEW: Windows: Firefox now follows display scaling options to render text larger on high-res displays
NEW: WebRTC is now enabled by default!
NEW: Mac OS X: Download progress in Dock application icon
NEW: HTML5 audio/video playback rate can now be changed
NEW: Social services management implemented in Add-ons Manager
NEW: asm.js optimizations (OdinMonkey) enabled for major performance improvements
CHANGED: Improved WebGL rendering performance through asynchronous canvas updates
CHANGED: Plain text files displayed within Firefox will now word-wrap
CHANGED: For user security, the |Components| object is no longer accessible from web content
CHANGED: Improved memory usage and display time when rendering images
CHANGED: Pointer Lock API can now be used outside of fullscreen
DEVELOPER: CSS3 Flexbox implemented and enabled by default
DEVELOPER: New Web Notifications API implemented
DEVELOPER: Added clipboardData API for JavaScript access to a user's clipboard
DEVELOPER: New built-in font inspector
HTML5: New HTML5 and
Förändringar v22.0 Beta 5 -> v22.0 Beta 6
What’s New
NEW: Windows: Firefox now follows display scaling options to render text larger on high-res displays
NEW: WebRTC is now enabled by default!
NEW: Mac OS X: Download progress in Dock application icon
NEW: HTML5 audio/video playback rate can now be changed
NEW: Social services management implemented in Add-ons Manager
NEW: asm.js optimizations (OdinMonkey) enabled for major performance improvements
CHANGED: Improved WebGL rendering performance through asynchronous canvas updates
CHANGED: Plain text files displayed within Firefox will now word-wrap
CHANGED: For user security, the |Components| object is no longer accessible from web content
CHANGED: Improved memory usage and display time when rendering images
CHANGED: Pointer Lock API can now be used outside of fullscreen
DEVELOPER: CSS3 Flexbox implemented and enabled by default
DEVELOPER: New Web Notifications API implemented
DEVELOPER: Added clipboardData API for JavaScript access to a user's clipboard
DEVELOPER: New built-in font inspector
HTML5: New HTML5 and
Förändringar v22.0 Beta 4 -> v22.0 Beta 5
What’s New
NEW: Windows: Firefox now follows display scaling options to render text larger on high-res displays
NEW: WebRTC is now enabled by default!
NEW: Mac OS X: Download progress in Dock application icon
NEW: HTML5 audio/video playback rate can now be changed
NEW: Social services management implemented in Add-ons Manager
NEW: asm.js optimizations (OdinMonkey) enabled for major performance improvements
CHANGED: Improved WebGL rendering performance through asynchronous canvas updates
CHANGED: Plain text files displayed within Firefox will now word-wrap
CHANGED: For user security, the |Components| object is no longer accessible from web content
CHANGED: Improved memory usage and display time when rendering images
CHANGED: Pointer Lock API can now be used outside of fullscreen
DEVELOPER: CSS3 Flexbox implemented and enabled by default
DEVELOPER: New Web Notifications API implemented
DEVELOPER: Added clipboardData API for JavaScript access to a user's clipboard
DEVELOPER: New built-in font inspector
HTML5: New HTML5 and
Förändringar v22.0 Beta 3 -> v22.0 Beta 4
What’s New
NEW: Windows: Firefox now follows display scaling options to render text larger on high-res displays
NEW: WebRTC is now enabled by default!
NEW: Mac OS X: Download progress in Dock application icon
NEW: HTML5 audio/video playback rate can now be changed
NEW: Social services management implemented in Add-ons Manager
NEW: asm.js optimizations (OdinMonkey) enabled for major performance improvements
CHANGED: Improved WebGL rendering performance through asynchronous canvas updates
CHANGED: Plain text files displayed within Firefox will now word-wrap
CHANGED: For user security, the |Components| object is no longer accessible from web content
CHANGED: Improved memory usage and display time when rendering images
CHANGED: Pointer Lock API can now be used outside of fullscreen
DEVELOPER: CSS3 Flexbox implemented and enabled by default
DEVELOPER: New Web Notifications API implemented
DEVELOPER: Added clipboardData API for JavaScript access to a user's clipboard
DEVELOPER: New built-in font inspector
HTML5: New HTML5 and
Förändringar v22.0 beta 2 -> v22.0 Beta 3
What’s New
NEW: Windows: Firefox now follows display scaling options to render text larger on high-res displays
NEW: WebRTC is now enabled by default!
NEW: Mac OS X: Download progress in Dock application icon
NEW: HTML5 audio/video playback rate can now be changed
NEW: Social services management implemented in Add-ons Manager
NEW: asm.js optimizations (OdinMonkey) enabled for major performance improvements
CHANGED: Improved WebGL rendering performance through asynchronous canvas updates
CHANGED: Plain text files displayed within Firefox will now word-wrap
CHANGED: For user security, the |Components| object is no longer accessible from web content
CHANGED: Improved memory usage and display time when rendering images
CHANGED: Pointer Lock API can now be used outside of fullscreen
DEVELOPER: CSS3 Flexbox implemented and enabled by default
DEVELOPER: New Web Notifications API implemented
DEVELOPER: Added clipboardData API for JavaScript access to a user's clipboard
DEVELOPER: New built-in font inspector
HTML5: New HTML5 and
Förändringar v20.0 Beta 4 -> v20.0 Beta 5
What’s New
NEW: Per-window Private Browsing
NEW: New download experience
NEW: Ability to close hanging plugins, without the browser hanging
NEW: Firefox will offer to reset the Awesomebar search provider, if it has been changed by third-party software or through about:config
CHANGED: Continued performance improvements around common browser tasks (page loads, downloads, shutdown, etc.)
DEVELOPER: Continued implementation of draft ECMAScript 6 - clear() and Math.imul
DEVELOPER: New JavaScript Profiler tool
HTML5:
Förändringar v20.0 Beta 2 -> v20.0 Beta 3
What’s New
NEW. Per-window Private Browsing
NEW. New download experience
NEW. Ability to close hanging plugins, without the browser hanging
NEW. Firefox will offer to reset the Awesomebar search provider, if it has been changed by third-party software or through about:config
CHANGED. Continued performance improvements around common browser tasks (page loads, downloads, shutdown, etc.)
DEVELOPER. Continued implementation of draft ECMAScript 6 - clear() and Math.imul
DEVELOPER. New JavaScript Profiler tool
HTML5.
Förändringar v20.0 Beta 1 -> v20.0 Beta 2
What’s New
NEW. Per-window Private Browsing
NEW. New download experience
NEW. Ability to close hanging plugins, without the browser hanging
NEW. Firefox will offer to reset the Awesomebar search provider, if it has been changed by third-party software or through about:config
CHANGED. Continued performance improvements around common browser tasks (page loads, downloads, shutdown, etc.)
DEVELOPER. Continued implementation of draft ECMAScript 6 - clear() and Math.imul
DEVELOPER. New JavaScript Profiler tool
HTML5.
Förändringar v19.0.1 -> v19.0.2
MFSA 2013-29 Use-after-free in HTML Editor
Förändringar v19.0 -> v19.0.1
What’s New
FIXED. Windows 8 only: Fixed stability issue for some AMD Radeon HD graphics cards
NEW. Built-in PDF viewer
CHANGED. Canvas elements can export their content as an image blob using canvas.toBlob()
CHANGED. Startup performance improvements (bugs 715402 and 756313)
DEVELOPER. ebugger now supports pausing on exceptions and hiding non-enumerable properties
DEVELOPER. Remote Web Console is available for connecting to Firefox on Android or Firefox OS (experimental, set devtools.debugger.remote-enabled to true)
DEVELOPER. There is now a Browser Debugger available for add-on and browser developers (experimental, set devtools.chrome.enabled to true)
DEVELOPER. Web Console CSS links now open in the Style Editor
HTML5. CSS @page is now supported
HTML5. CSS viewport-percentage length units implemented (vh, vw, vmin and vmax)
HTML5. CSS text-transform now supports full-width
FIXED. Certain valid WebGL drawing operations are incorrectly rejected, leaving incomplete rendering in affected pages (825205)
FIXED. Starting Firefox with -private flag incorrectly claims you are not in Private Browsing mode (802274)
FIXED. Plugins stop rendering when the top half of the plugin is scrolled off the top of the page, in HiDPI mode (825734)
Known Issues
Unresolved. If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved. For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved. Mootools 1.2.x incompatible with Firefox 18 and newer.Fixed in Mootools 1.3 and newer (see 789036)
Unresolved. Some function keys may not work when pressed (see 833719)
Förändringar v19.0 Beta 4 -> v19.0 Beta 5
What’s New
NEW. Built-in PDF viewer
NEW. Firefox will offer to reset the Awesomebar search provider, if it has been changed by third-party software or through about:config
CHANGED. Canvas elements can export their content as an image blob using canvas.toBlob()
CHANGED. Startup performance improvements (bugs 715402 and 756313)
DEVELOPER. Debugger now supports pausing on exceptions and hiding non-enumerable properties
DEVELOPER. Remote Web Console is available for connecting to Firefox on Android or Firefox OS (experimental, set devtools.debugger.remote-enabled to true)
DEVELOPER. There is now a Browser Debugger available for add-on and browser developers (experimental, set devtools.chrome.enabled to true)
DEVELOPER. Web Console CSS links now open in the Style Editor
HTML5. CSS @page is now supported
HTML5. CSS viewport-percentage length units implemented (vh, vw, vmin and vmax)
HTML5. CSS text-transform now supports full-width
FIXED. Starting Firefox with -private flag incorrectly claims you are not in Private Browsing mode (802274)
Known Issues
Unresolved. Certain valid WebGL drawing operations are incorrectly rejected, leaving incomplete rendering in affected pages (see 825205)
Unresolved. If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved. For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved. Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Unresolved. Plugins stop rendering when the top half of the plugin is scrolled off the top of the page, in HiDPI mode (see 825734)
Förändringar v19.0 Beta 3 -> v19.0 Beta 4
What’s New
NEW. Built-in PDF viewer
NEW. Firefox will offer to reset the Awesomebar search provider, if it has been changed by third-party software or through about:config
CHANGED. Canvas elements can export their content as an image blob using canvas.toBlob()
CHANGED. Startup performance improvements (bugs 715402 and 756313)
DEVELOPER. Debugger now supports pausing on exceptions and hiding non-enumerable properties
DEVELOPER. Remote Web Console is available for connecting to Firefox on Android or Firefox OS (experimental, set devtools.debugger.remote-enabled to true)
DEVELOPER. There is now a Browser Debugger available for add-on and browser developers (experimental, set devtools.chrome.enabled to true)
DEVELOPER. Web Console CSS links now open in the Style Editor
HTML5. CSS @page is now supported
HTML5. CSS viewport-percentage length units implemented (vh, vw, vmin and vmax)
HTML5. CSS text-transform now supports full-width
FIXED. Starting Firefox with -private flag incorrectly claims you are not in Private Browsing mode (802274)
Known Issues
Unresolved. Certain valid WebGL drawing operations are incorrectly rejected, leaving incomplete rendering in affected pages (see 825205)
Unresolved. If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved. For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved. Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Unresolved. Plugins stop rendering when the top half of the plugin is scrolled off the top of the page, in HiDPI mode (see 825734)
FIXED 18.0.1: Unity player crashes on Mac OS X (bug 828954)
FIXED 18.0.1: Disabled HIDPI support on external monitors to avoid rendering glitches (bug 814434)
NEW Faster JavaScript performance via IonMonkey compiler
NEW Support for Retina Display on OS X 10.7 and up
NEW Preliminary support for WebRTC
CHANGED Experience better image quality with our new HTML scaling algorithm
CHANGED Performance improvements around tab switching
DEVELOPER Support for new DOM property window.devicePixelRatio
DEVELOPER Improvement in startup time through smart handling of signed extension certificates
HTML5 Support for W3C touch events implemented, taking the place of MozTouch events
FIXED Disable insecure content loading on HTTPS pages (62178)
FIXED Improved responsiveness for users on proxies (769764)
Known Issues
Unresolved. If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved. For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved. Animated Personas or Themes now require a workaround. See this support page
Unresolved. Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Unresolved. Mootools 1.2.x incompatible with Firefox 18 and newer.Fixed in Mootools 1.3 and newer (see 789036)
Unresolved. Starting Firefox with -private flag incorrectly claims you are not in Private Browsing mode (see 802274)
Unresolved. Certain valid WebGL drawing operations are incorrectly rejected, leaving incomplete rendering in affected pages (see 825205)
Unresolved. Plugins stop rendering when the top half of the plugin is scrolled off the top of the page, in HiDPI mode (see 825734)
Förändringar v17.0 -> v17.0.1
FIXED: Font rendering issue in Firefox 17.0 (bug 814101)
FIXED: 17.0.1: Reverted user agent change causing some website incompatibilities
NEW: First revision of the Social API and support for Facebook Messenger
NEW: Click-to-play blocklisting implemented to prevent vulnerable plugin versions from running without the user's permission (see blog post)
CHANGED: Updated Awesome Bar experience with larger icons
CHANGED: Mac OS X 10.5 is no longer supported
DEVELOPER: JavaScript Maps and Sets are now iterable
DEVELOPER: SVG FillPaint and StrokePaint implemented
DEVELOPER: Improvements that make the Web Console, Debugger and Developer Toolbar faster and easier to use
DEVELOPER: New Markup panel in the Page Inspector allows easy editing of the DOM
HTML5: Sandbox attribute for iframes implemented, enabling increased security
FIXED: Over twenty performance improvements, including fixes around the New Tab page
FIXED: 17.0.1: Leaving Private Browsing with Social API enabled should reset social components (814554)
FIXED: Pointer lock doesn't work in web apps (769150)
FIXED: Page crolling on sites with fixed headers (780345)
Förändringar v17.0 Beta 4 -> v17.0 Beta 5
What’s New
NEW: Click-to-play blocklisting implemented to prevent vulnerable plugin versions from running without the user's permission (see blog post)
NEW: Mac OS X 10.8: Support for Notification Center
CHANGED: Updated Awesome Bar experience with larger icons
DEVELOPER: JavaScript Maps and Sets are now iterable
DEVELOPER: SVG FillPaint and StrokePaint implemented
DEVELOPER: Improvements that make the Web Console, Debugger and Developer Toolbar faster and easier to use
DEVELOPER: New Markup panel in the Page Inspector allows easy editing of the DOM
HTML5: Sandbox attribute for iframes implemented, enabling increased security
FIXED: Over twenty performance improvements, including fixes around the New Tab page
FIXED: Pointer lock doesn't work in web apps (769150)
FIXED: Page scrolling on sites with fixed headers (780345)
Known Issues
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved: For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved: Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Förändringar v17.0 Beta 3 -> v17.0 Beta 4
What’s New
NEW: Click-to-play blocklisting implemented to prevent vulnerable plugin versions from running without the user's permission (see blog post)
NEW: Mac OS X 10.8: Support for Notification Center
CHANGED: Updated Awesome Bar experience with larger icons
DEVELOPER: JavaScript Maps and Sets are now iterable
DEVELOPER: SVG FillPaint and StrokePaint implemented
DEVELOPER: Improvements that make the Web Console, Debugger and Developer Toolbar faster and easier to use
DEVELOPER: New Markup panel in the Page Inspector allows easy editing of the DOM
HTML5: Sandbox attribute for iframes implemented, enabling increased security
FIXED: Over twenty performance improvements, including fixes around the New Tab page
FIXED: Pointer lock doesn't work in web apps (769150)
FIXED: Page scrolling on sites with fixed headers (780345)
Known Issues
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved: For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved: Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Förändringar v16.0.1 -> v17.0 Beta 1
What’s New
NEW. Mac OS X 10.8: Support for Notification Center
CHANGED. Updated Awesome Bar experience with larger icons
DEVELOPER. JavaScript Maps and Sets are now iterable
DEVELOPER. SVG FillPaint and StrokePaint implemented
DEVELOPER. Support for @supports added
DEVELOPER. Improvements that make the Web Console, Debugger and Developer Toolbar faster and easier to use
DEVELOPER. New Markup panel in the Page Inspector allows easy editing of the DOM
HTML5. Sandbox attribute for iframes implemented, enabling increased security
FIXED. Over twenty performance improvements, including fixes around the New Tab page
FIXED. Page scrolling on sites with fixed headers (see 780345)
Known Issues
Unresolved. If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved. For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved. Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Unresolved. Pointer lock doesn't work in web apps (see 769150)
Förändringar v16.0 -> v16.0.1
FIXED: The vulnerability could allow a malicious site to potentially determine which websites users have visited and have access to the URL or URL parameters. At this time we have no indication that this vulnerability is currently being exploited in the wild.
Förändringar v16.0 Beta 4 -> v16.0 Beta 5
What’s New
NEW. Firefox on Mac OS X now has preliminary VoiceOver support turned on by default
NEW. Initial web app support (Windows/Mac/Linux)
NEW. Acholi localization added
CHANGED. Improvements around JavaScript responsiveness through incremental garbage collection
DEVELOPER. New Developer Toolbar with buttons for quick access to tools, error count for the Web Console, and a new command line for quick keyboard access
DEVELOPER. CSS3 Animations, Transitions, Transforms and Gradients unprefixed in Firefox 16
DEVELOPER. Recently opened files list in Scratchpad implemented
FIXED. Debugger breakpoints do not catch on page reload (783393)
FIXED. No longer supporting MD5 as a hash algorithm in digital signatures (650355)
FIXED. Opus support by default (772341)
FIXED. Reverse animation direction has been implemented (655920)
FIXED. Per tab reporting in about:memory (687724)
FIXED. User Agent strings for pre-release Firefox versions now show only major version (728831)
Known Issues
Unresolved. If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved. For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved. Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Unresolved. Pointer lock doesn't work in web apps (see 769150)
Förändringar v14.0 Beta 12 -> v14.0.1
What’s New
NEW. Google searches now utilize HTTPS
NEW. Full screen support for Mac OS X Lion implemented
NEW. Plugins can now be configured to only load on click (requires an about:config change)
NEW. The Awesome Bar now auto-completes typed URLs
CHANGED. Improved site identity manager, to prevent spoofing of an SSL connection with favicons
DEVELOPER. Pointer Lock API implemented
DEVELOPER. New API to prevent your display from sleeping
DEVELOPER. New text-transform and font-variant CSS improvements for Turkic languages and Greek
FIXED. Various security fixes
FIXED. GIF animation can gets stuck when src and image size are changed (743598)
FIXED. OS X: nsCocoaWindow::ConstrainPosition uses wrong screen in multi-display setup (752149)
FIXED. CSS :hover regression when an element's class name is set by Javascript (758885)
Known Issues
Unresolved. If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved. For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved. Focus rings keep growing when repeatedly tabbing through elements (see 720987)
Unresolved. Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Förändringar v14.0 Beta 11 -> v14.0 Beta 12
What’s New
NEW. Google searches now utilize HTTPS
NEW. Full screen support for Mac OS X Lion implemented
NEW. Plugins can now be configured to only load on click (requires an about:config change)
NEW. The Awesome Bar now auto-completes typed URLs
CHANGED. Improved site identity manager, to prevent spoofing of an SSL connection with favicons
DEVELOPER. Pointer Lock API implemented
DEVELOPER. New API to prevent your display from sleeping
DEVELOPER. New text-transform and font-variant CSS improvements for Turkic languages and Greek
FIXED. OS X: nsCocoaWindow::ConstrainPosition uses wrong screen in multi-display setup (752149)
FIXED. CSS :hover regression when an element's class name is set by Javascript (758885)
Known Issues
Unresolved. GIF animation can gets stuck when src and image size are changed (see 743598)
Unresolved. If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved. For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved. Focus rings keep growing when repeatedly tabbing through elements (see 720987)
Unresolved. Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Förändringar v14.0 Beta 10 -> v14.0 Beta 11
What’s New
NEW. Google searches now utilize HTTPS
NEW. Full screen support for Mac OS X Lion implemented
NEW. Plugins can now be configured to only load on click (requires an about:config change)
NEW. The Awesome Bar now auto-completes typed URLs
CHANGED. Improved site identity manager, to prevent spoofing of an SSL connection with favicons
DEVELOPER. Pointer Lock API implemented
DEVELOPER. New API to prevent your display from sleeping
DEVELOPER. New text-transform and font-variant CSS improvements for Turkic languages and Greek
FIXED. OS X: nsCocoaWindow::ConstrainPosition uses wrong screen in multi-display setup (752149)
FIXED. CSS :hover regression when an element's class name is set by Javascript (758885)
Known Issues
Unresolved. GIF animation can gets stuck when src and image size are changed (see 743598)
Unresolved. If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved. For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved. Focus rings keep growing when repeatedly tabbing through elements (see 720987)
Unresolved. Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Förändringar v14.0 Beta 9 -> v14.0 Beta 10
What’s New
NEW. Google searches now utilize HTTPS
NEW. Full screen support for Mac OS X Lion implemented
NEW. Plugins can now be configured to only load on click (requires an about:config change)
NEW. The Awesome Bar now auto-completes typed URLs
CHANGED. Improved site identity manager, to prevent spoofing of an SSL connection with favicons
DEVELOPER. Pointer Lock API implemented
DEVELOPER. New API to prevent your display from sleeping
DEVELOPER. New text-transform and font-variant CSS improvements for Turkic languages and Greek
FIXED. OS X: nsCocoaWindow::ConstrainPosition uses wrong screen in multi-display setup (752149)
FIXED. CSS :hover regression when an element's class name is set by Javascript (758885)
Known Issues
Unresolved. GIF animation can gets stuck when src and image size are changed (see 743598)
Unresolved. If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved. For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved. Focus rings keep growing when repeatedly tabbing through elements (see 720987)
Unresolved. Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Förändringar v14.0 Beta 8 -> v14.0 Beta 9
What’s New
NEW. Google searches now utilize HTTPS
NEW. Full screen support for Mac OS X Lion implemented
NEW. Plugins can now be configured to only load on click (requires an about:config change)
NEW. The Awesome Bar now auto-completes typed URLs
CHANGED. Improved site identity manager, to prevent spoofing of an SSL connection with favicons
DEVELOPER. Pointer Lock API implemented
DEVELOPER. New API to prevent your display from sleeping
DEVELOPER. New text-transform and font-variant CSS improvements for Turkic languages and Greek
FIXED. OS X: nsCocoaWindow::ConstrainPosition uses wrong screen in multi-display setup (752149)
FIXED. CSS :hover regression when an element's class name is set by Javascript (758885)
Known Issues
Unresolved. GIF animation can gets stuck when src and image size are changed (see 743598)
Unresolved. If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved. For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved. Focus rings keep growing when repeatedly tabbing through elements (see 720987)
Unresolved. Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Förändringar v13.0 -> v13.0.1
Windows Messenger did not load in Hotmail, and the Hotmail inbox did not auto-update (764546, fixed in 13.0.1)
Hebrew text sometimes rendered incorrectly (756850, fixed in 13.0.1)
Flash 11.3 sometimes caused a crash on quit (747683, fixed in 13.0.1)
When opening a new tab, users are now presented with their most visited pages
The default home page now has quicker access to bookmarks, history, settings, and more
SPDY protocol now enabled by default for faster browsing on supported sites
Restored background tabs are not loaded by default for faster startup
Smooth scrolling is now enabled by default
72 total improvements to Page Inspector, HTML panel, Style Inspector, Scratchpad and Style Editor
The column-fill CSS property has been implemented
Experimental support for ECMAScript 6 Map and Set objects has been implemented
Support for the CSS3 background-position property extended syntax has been added
The :invalid pseudo-class can now be applied to the element
The CSS turn unit is now supported
Various security fixes
Förändringar v13.0 Beta 3 -> v13.0 Beta 4
What?s New
NEW When opening a new tab, users are now presented with their most visited pages
NEW The default home page now has quicker access to bookmarks, history, settings, and more
CHANGED SPDY protocol now enabled by default for faster browsing on supported sites
CHANGED Restored background tabs are not loaded by default for faster startup
CHANGED Smooth scrolling is now enabled by default
DEVELOPER 72 total improvements to Page Inspector, HTML panel, Style Inspector, Scratchpad and Style Editor
DEVELOPER The column-fill CSS property has been implemented
DEVELOPER Experimental support for ECMAScript 6 Map and Set objects has been implemented
DEVELOPER Support for the CSS3 background-position property extended syntax has been added
DEVELOPER The :invalid pseudo-class can now be applied to the element
DEVELOPER The CSS turn unit is now supported
Known Issues
Unresolved If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved Some synaptic touch pads are unable to vertical scroll (see 622410)
Unresolved Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Förändringar v11.0 -> v12.0 Beta 6
What?s New
NEW: Windows: Firefox is now easier to update with one less prompt (User Account Control)
NEW: Page Source now has line numbers
CHANGED: Line breaks are now supported in the title attribute
CHANGED: Improvements to "Find in Page" to center search result
CHANGED: URLs pasted into the download manager window are now automatically downloaded
DEVELOPER: The column-fill CSS property has been implemented
DEVELOPER: Support for the text-align-last CSS property has been added
DEVELOPER: Experimental support for ECMAScript 6 Map and Set objects has been implemented
FIXED: OS X: WebGL performance may be degraded on some hardware (713305)
Known Issues
Unresolved: If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved: For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved: Some synaptic touch pads are unable to vertical scroll (see 622410)
Unresolved: Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
Förändringar v12.0 Beta 2 -> v12.0 Beta 3
What?s New
NEW. Windows: Firefox is now easier to update with one less prompt (User Account Control)
NEW. Page Source now has line numbers
CHANGED. Line breaks are now supported in the title attribute
CHANGED. Improvements to "Find in Page" to center search result
CHANGED. URLs pasted into the download manager window are now automatically downloaded
DEVELOPER. The column-fill CSS property has been implemented
DEVELOPER. Support for the text-align-last CSS property has been added
DEVELOPER. Experimental support for ECMAScript 6 Map and Set objects has been implemented
FIXED. OS X: WebGL performance may be degraded on some hardware (713305)
Known Issues
Unresolved. If you try to start Firefox using a locked profile, it will crash (see 573369)
Unresolved. For some users, scrolling in the main GMail window will be slower than usual (see 579260)
Unresolved. Some synaptic touch pads are unable to vertical scroll (see 622410)
Unresolved. Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)
