Mozilla Firefox

Mozilla Firefox Version 57.0

Mozilla has released Version 25.0.1 of the Firefox browser.

What’s New
  • FIXED
    25.0.1: New security fixes can be found here
  • FIXED
    25.0.1: Pages sometimes wouldn't load without first moving the cursor
  • NEW
    Web Audio support
  • 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 reset it to its default state while preserving your essential information
  • 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
 
Mozilla has released Version 26.0 of the Firefox browser

What’s New
  • NEW
    All Java 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
    Math.ToFloat32 takes a JS value and converts it to a Float32, whenever possible
  • 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
    Text Rendering Issues on Windows 7 with Platform Update KB2670838 (MSIE 10 Prerequisite) or on Windows 8.1 (812695)
  • FIXED
    Improved page load times due to no longer decoding images that aren't visible (847223)
  • FIXED
    AudioToolbox MP3 backend for OSX (914479)
  • FIXED
    Various security fixes

Ref:
http://www.mozilla.org/en-US/firefox/26.0/releasenotes/
 
Mozilla has released Version 27.0 of the Firefox browser. The most significant changes are that you can now run more than one service at a time with Firefox SocialAPI, and TLS 1.1 and 1.2 security protocols are now enabled by default.

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
  • CHANGED
    Enabled TLS 1.1 (RFC 4346) and TLS 1.2 (RFC 5246) by default
  • 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)
  • FIXED
    27.0: Security fixes can be found here
 
Mozilla has released Version 27.0.1 of the Firefox browser. The update contains two JavaScript-based bug fixes.

What’s New
  • FIXED
    27.0.1 - Fixed stability issues with Greasemonkey and other JS that used ClearTimeoutOrInterval
  • FIXED
    27.0.1 - JS math correctness issue (bug 941381
  • 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
  • CHANGED
    Enabled TLS 1.1 (RFC 4346) and TLS 1.2 (RFC 5246) by default
  • 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)
  • FIXED
    Various security fixes
 
New update for Firefox:

What’s New
  • NEW
    VP9 video decoding implemented
  • NEW
    Mac OS X: Notification Center support for web notifications
  • NEW
    Horizontal HTML5 audio/video volume control
  • NEW
    Support for Opus in WebM
  • CHANGED
    Now that spdy/3 is implemented support for spdy/2 has been removed and servers without spdy/3 will negotiate to http/1 without any penalty
  • DEVELOPER
    Support for MathML 2.0 'mathvariant' attribute
  • DEVELOPER
    Background thread hang reporting
  • DEVELOPER
    Support for multi-line flexbox in layout
  • FIXED
    Various security fixes
Known Issues
  • UNRESOLVED
    Echo cancellation on apprtc.appspot.com fails (see974537)
    Unresolved on v28 Resolved in v29
  • UNRESOLVED
    Text Rendering Issues on Windows 7 with Platform Update KB2670838 (MSIE 10 Prerequisite) or on Windows 8.1 has a workaround (see 812695)

http://www.mozilla.org/en-US/firefox/28.0/releasenotes/
 
Update 29 for Firefox:

What’s New
  • NEW
    VP9 video decoding implemented

  • NEW
    Mac OS X: Notification Center support for web notifications

  • NEW
    Horizontal HTML5 audio/video volume control

  • NEW
    Support for Opus in WebM

  • CHANGED
    Now that spdy/3 is implemented support for spdy/2 has been removed and servers without spdy/3 will negotiate to http/1 without any penalty

  • DEVELOPER
    Support for MathML 2.0 'mathvariant' attribute

  • DEVELOPER
    Background thread hang reporting

  • DEVELOPER
    Support for multi-line flexbox in layout

  • FIXED
    Various security fixes
Known Issues
  • UNRESOLVED
    Text Rendering Issues on Windows 7 with Platform Update KB2670838 (MSIE 10 Prerequisite) or on Windows 8.1 has a workaround (see 812695)

  • UNRESOLVED
    Echo cancellation on apprtc.appspot.com fails (974537)

Ref:
http://www.mozilla.org/en-US/firefox/28.0/releasenotes/
 
Mozilla has released Version 29.0.1 of the Firefox browser. This version contains several bug fixes.
What’s New
  • FIXED
    29.0.1 -pdf.js printing white page (1003707)

  • FIXED
    29.0.1 - Tabs not visible with dark themes under Windows 8.1 (907373)

  • FIXED
    29.0.1 - Session Restore failed with a corrupted sessionstore.js file (1001167)

  • FIXED
    29.0.1 - Seer disabled by default (1005958)

  • NEW
    Significant new customization mode makes it easy to personalize your Web experience to access the features you use the most (learn more)

  • NEW
    A new, easy to access menu sits in the right hand corner of Firefox and includes popular browser controls

  • NEW
    Sleek new tabs provide an overall smoother look and fade into the background when not active

  • NEW
    An interactive onboarding tour to guide users through the new Firefox changes

  • NEW
    The ability to set up Firefox Sync by creating a Firefox account (learn more)

  • NEW
    Gamepad API finalized and enabled (learn more)

  • NEW
    HTTPS used for Yahoo Searches performed in en-US locale

  • NEW
    Malay [ma] locale added

  • CHANGED
    Clicking on a W3C Web Notification will switch to the originating tab

  • DEVELOPER
    'box-sizing' (dropping the -moz- prefix) implemented (learn more)

  • DEVELOPER
    Console object available in Web Workers (learn more)

  • DEVELOPER
    Promises enabled by default (learn more)

  • DEVELOPER
    SharedWorker enabled by default

  • DEVELOPER
    <input type="number"> implemented and enabled

  • DEVELOPER
    <input type="color"> implemented and enabled

  • DEVELOPER
    Enabled ECMAScript Internationalization API

  • DEVELOPER
    Add-on bar has been removed, content moved to navigation bar

  • DEVELOPER
    Implemented URLSearchParams from the URL specification (see MDN for details )

  • FIXED
    Various security fixes
Known Issues
  • UNRESOLVED
    Text Rendering Issues on Windows 7 with Platform Update KB2670838 (MSIE 10 Prerequisite) or on Windows 8.1 has a workaround (see 812695)

  • UNRESOLVED
    Without affecting security, after restoring your session, Extended Validation Certificates might not display (See995801)

  • UNRESOLVED
    Slow shut downs lead to 'Firefox is already running' warning (see 966469 and 985655)

Ref:
http://www.mozilla.org/en-US/firefox/29.0.1/releasenotes/
 
Mozilla has released Version 30.0 of the Firefox browser:

What’s New
  • NEW
    Sidebars button in browser chrome enables faster access to social, bookmark, & history sidebars

  • NEW
    Mac OS X command-E sets find term to selected text

  • NEW
    Support for GStreamer 1.0

  • CHANGED
    Disallow calling WebIDL constructors as functions on the web

  • DEVELOPER
    With the exception of those bundled inside an extension or ones that are whitelisted, plugins will no longer be activated by default (see blog post)

  • DEVELOPER
    Fixes to box-shadow and other visual overflow (see bug 480888)

  • DEVELOPER
    Mute and volume available per window when using WebAudio

  • DEVELOPER
    background-blend-mode enabled by default

  • DEVELOPER
    Use of line-height allowed for <input type="reset|button|submit">

  • DEVELOPER
    ES6 array and generator comprehensions implemented (read docs for more details)

  • DEVELOPER
    Error stack now contains column number

  • DEVELOPER
    Support for alpha option in canvas context options (feature description)

  • FIXED
    Ignore autocomplete="off" when offering to save passwords via the password manager (see 956906)

  • FIXED
    TypedArrays don't support new named properties (see695438)
Known Issues
  • UNRESOLVED
    Errors loading scripts inside eval scripts with Developer Tools open (998908)

    Resolved in v31.0beta

  • UNRESOLVED
    Mac OS X: cmd-L no longer opens a new window when no window is available (1008793)

    Resolved in v32.0a2

  • UNRESOLVED
    Without affecting security, after restoring your session, Extended Validation Certificates might not display (See995801)

    Resolved in v31.0a2

  • UNRESOLVED
    Slow shut downs lead to 'Firefox is already running' warning (see 966469 and 985655)

http://www.mozilla.org/en-US/firefox/30.0/releasenotes/
 
Mozilla has released Version 31.0 of the Firefox browser.

What’s New
  • NEW
    Add the search field to the new tab page

  • NEW
    Support of Prefer:Safe http header for parental control (learn more)

  • NEW
    mozilla::pkix as default certificate verifier (learn more)

  • NEW
    Block malware from downloaded files (learn more)

  • 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)

  • NEW
    Upper Sorbian [hsb] locale added

  • 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)

  • HTML5
    CSS3 variables implemented (learn more)

  • DEVELOPER
    Developer Tools: Add-on Debugger (learn more)

  • DEVELOPER
    Developer Tools: Canvas Debugger (learn more)

  • DEVELOPER
    New Array built-in: Array.prototype.fill() (learn more)

  • DEVELOPER
    New Object built-in: Object.setPrototypeOf() (learn more)

  • DEVELOPER
    CSP 1.1 nonce-source and hash-source enabled by default

  • DEVELOPER
    Developer Tools: Eyedropper tool added to the color picker (learn more)

  • DEVELOPER
    Developer Tools: Editable Box Model (learn more)

  • DEVELOPER
    Developer Tools: Code Editor improvements (learn more)

  • DEVELOPER
    Developer Tools: Console stack traces (learn more)

  • DEVELOPER
    Developer Tools: Copy as cURL (learn more)

  • DEVELOPER
    Developer Tools: Styled console logs (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
    PDF.js: With some fonts, some characters might not be displayed. Affects a very small number of PDF (1028735)

  • 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
 
Mozilla has released Version 32.0 of the Firefox browser.

What’s New
Known Issues
  • UNRESOLVED
    Assistive technologies may cause performance issues on Windows XP
 
Mozilla has released Version 32.0.1 of the Firefox browser.

What’s New
  • FIXED
    32.0.1 - Stability issues for computers with multiple graphics cards

  • FIXED
    32.0.1 - Mixed content icon may be incorrectly displayed instead of lock icon for SSL sites

  • FIXED
    32.0.1 - WebRTC: setRemoteDescription() silently fails if no success callback is specified

  • NEW
    New HTTP cache provides improved performance including crash recovery

  • NEW
    Integration of generational garbage collection

  • NEW
    Public key pinning support enabled

  • NEW
    View historical use information for logins stored in password manager

  • NEW
    Display the number of found items in the find toolbar

  • NEW
    Easier back, forward, reload, and bookmarking through the context menu

  • NEW
    Lower Sorbian [dsb] locale added

  • CHANGED
    Removed and turned off trust bit for some 1024-bit root certificates

  • CHANGED
    Performance improvements to Password Manager and Add-on Manager

  • HTML5
    drawFocusIfNeeded enabled by default

  • HTML5
    ECMAScript 6 built-in method Array#copyWithin implemented

  • HTML5
    CSS position:sticky enabled by default

  • HTML5
    mix-blend-mode enabled by default

  • HTML5
    New Array built-in: Array.from()

  • HTML5
    navigator.languages property and languagechange eventimplemented

  • HTML5
    Vibration API updated to latest W3C spec

  • HTML5
    CSS box-decoration-break replaces -moz-background-inline-policy

  • HTML5
    box-decoration-break enabled by default

  • DEVELOPER
    HiDPI support in Developer Tools UI

  • DEVELOPER
    Inspector button moved to the top left

  • DEVELOPER
    Hidden nodes displayed differently in the markup-view

  • DEVELOPER
    New Web Audio Editor

  • DEVELOPER
    Code completion and inline documentation added to Scratchpad

  • FIXED
    Various security fixes

  • FIXED
    Mac OS X: cmd-L does not open a new window when no window is available

  • FIXED
    Text Rendering Issues on Windows 7 with Platform Update KB2670838 (MSIE 10 Prerequisite) or on Windows 8.1
Known Issues
  • UNRESOLVED
    Assistive technologies may cause performance issues on Windows XP
 
Mozilla has released Version 32.0.2 of the Firefox browser.

What’s New
  • FIXED
    32.0.2 - Corrupt installations cause Firefox to crash on update

  • NEW
    New HTTP cache provides improved performance including crash recovery

  • NEW
    Integration of generational garbage collection

  • NEW
    Public key pinning support enabled

  • NEW
    View historical use information for logins stored in password manager

  • NEW
    Display the number of found items in the find toolbar

  • NEW
    Easier back, forward, reload, and bookmarking through the context menu

  • NEW
    Lower Sorbian [dsb] locale added

  • CHANGED
    Removed and turned off trust bit for some 1024-bit root certificates

  • CHANGED
    Performance improvements to Password Manager and Add-on Manager

  • HTML5
    drawFocusIfNeeded enabled by default

  • HTML5
    ECMAScript 6 built-in method Array#copyWithin implemented

  • HTML5
    CSS position:sticky enabled by default

  • HTML5
    mix-blend-mode enabled by default

  • HTML5
    New Array built-in: Array.from()

  • HTML5
    navigator.languages property and languagechange eventimplemented

  • HTML5
    Vibration API updated to latest W3C spec

  • HTML5
    CSS box-decoration-break replaces -moz-background-inline-policy

  • HTML5
    box-decoration-break enabled by default

  • DEVELOPER
    HiDPI support in Developer Tools UI

  • DEVELOPER
    Inspector button moved to the top left

  • DEVELOPER
    Hidden nodes displayed differently in the markup-view

  • DEVELOPER
    New Web Audio Editor

  • DEVELOPER
    Code completion and inline documentation added to Scratchpad

  • FIXED
    32.0.1 - Stability issues for computers with multiple graphics cards

  • FIXED
    32.0.1 - Mixed content icon may be incorrectly displayed instead of lock icon for SSL sites

  • FIXED
    32.0.1 - WebRTC: setRemoteDescription() silently fails if no success callback is specified

  • FIXED
    Various security fixes

  • FIXED
    Mac OS X: cmd-L does not open a new window when no window is available

  • FIXED
    Text Rendering Issues on Windows 7 with Platform Update KB2670838 (MSIE 10 Prerequisite) or on Windows 8.1
Known Issues
  • UNRESOLVED
    Assistive technologies may cause performance issues on Windows XP
 
Mozilla has released Version 32.0.3 of the Firefox browser.

What’s New
  • FIXED
    32.0.3: New security fixes can be found here

  • NEW
    New HTTP cache provides improved performance including crash recovery

  • NEW
    Integration of generational garbage collection

  • NEW
    Public key pinning support enabled

  • NEW
    View historical use information for logins stored in password manager

  • NEW
    Display the number of found items in the find toolbar

  • NEW
    Easier back, forward, reload, and bookmarking through the context menu

  • NEW
    Lower Sorbian [dsb] locale added

  • CHANGED
    Removed and turned off trust bit for some 1024-bit root certificates

  • CHANGED
    Performance improvements to Password Manager and Add-on Manager

  • HTML5
    drawFocusIfNeeded enabled by default

  • HTML5
    ECMAScript 6 built-in method Array#copyWithin implemented

  • HTML5
    CSS position:sticky enabled by default

  • HTML5
    mix-blend-mode enabled by default

  • HTML5
    New Array built-in: Array.from()

  • HTML5
    navigator.languages property and languagechange eventimplemented

  • HTML5
    Vibration API updated to latest W3C spec

  • HTML5
    CSS box-decoration-break replaces -moz-background-inline-policy

  • HTML5
    box-decoration-break enabled by default

  • DEVELOPER
    HiDPI support in Developer Tools UI

  • DEVELOPER
    Inspector button moved to the top left

  • DEVELOPER
    Hidden nodes displayed differently in the markup-view

  • DEVELOPER
    New Web Audio Editor

  • DEVELOPER
    Code completion and inline documentation added to Scratchpad

  • FIXED
    32.0.2 - Corrupt installations cause Firefox to crash on update

  • FIXED
    32.0.1 - Stability issues for computers with multiple graphics cards

  • FIXED
    32.0.1 - Mixed content icon may be incorrectly displayed instead of lock icon for SSL sites

  • FIXED
    32.0.1 - WebRTC: setRemoteDescription() silently fails if no success callback is specified

  • FIXED
    Various security fixes

  • FIXED
    Mac OS X: cmd-L does not open a new window when no window is available

  • FIXED
    Text Rendering Issues on Windows 7 with Platform Update KB2670838 (MSIE 10 Prerequisite) or on Windows 8.1
Known Issues
  • UNRESOLVED
    Assistive technologies may cause performance issues on Windows XP
 
Mozilla has released Version 33.0 of the Firefox browser.

What’s New
Known Issues
  • UNRESOLVED
    PDF.js: With some images, wrong colors could show up. Affects a very small number of PDF

  • UNRESOLVED
    Some certificate errors cannot be overridden (1042889)

ref:
https://www.mozilla.org/en-US/firefox/33.0/releasenotes/

 
Mozilla has released Version 33.0.1 of the Firefox browser.

What’s New
Known Issues
  • UNRESOLVED
    Fix incomplete downloads being marked as complete by detecting broken HTTP1.1 transfers (237623)

    Resolved in v33.0

  • UNRESOLVED
    PDF.js: With some images, wrong colors could show up. Affects a very small number of PDF

  • UNRESOLVED
    Some certificate errors cannot be overridden (1042889)

  • UNRESOLVED
    Windows: On some combination of hardware and drivers, the main window could be black. In this case, update your graphics drivers (1083071)

ref:
https://www.mozilla.org/en-US/firefox/33.0.1/releasenotes/
 
Mozilla has released Version 33.0.2 of the Firefox browser.
What’s New
 
Mozilla has released Version 33.0.3 of the Firefox browser.
What’s New
  • FIXED
    33.0.3: Blacklisted graphics drivers that were causing black screens with OMTC enabled (1093863)

  • FIXED
    33.0.3 Fix two startup crashes with some combination of hardware and drivers (1064107 and 1021265)

  • NEW
    OpenH264 support (sandboxed)

  • NEW
    Improved search experience through the location bar

  • NEW
    Windows: OMTC enabled by default

  • NEW
    Slimmer and faster JavaScript strings

  • NEW
    Search suggestions on the Firefox Start (about:home) and new tab (about:newtab) pages

  • NEW
    Support for connecting to HTTP proxy over HTTPS

  • NEW
    New CSP (Content Security Policy) backend

  • NEW
    Improved reliability of the session restoration

  • NEW
    Azerbaijani [az] locale added

  • CHANGED
    JSD (JavaScript Debugger Service) removed in favor of the Debugger interface

  • CHANGED
    Proprietary window.crypto properties/functions removed

  • HTML5
    DOMMatrix interface implemented

  • HTML5
    @counter-style rule from CSS3 Counter Styles specification implemented

  • DEVELOPER
    Cubic-bezier curves editor

  • DEVELOPER
    Paint flashing for browser content repaints

  • DEVELOPER
    Display which elements have listeners attached

  • DEVELOPER
    New sidebar which displays a list of shortcuts to every @media rule in the current stylesheet

  • DEVELOPER
    Editable @keyframes rules in the Rules section of the Inspector

  • DEVELOPER
    CSS transform highlighter in the style-inspector

  • FIXED
    33.0.1: Firefox displays a black screen at start-up with certain graphics drivers

  • FIXED
    Various security fixes

  • FIXED
    33.0.2: Fix a startup crash with some combination of hardware and drivers
 
Back
Top