Subscribe to AfterDawn's weekly newsletter.
Version history for Mozilla Firefox Portable
<<Back to software description
Changes for v9.0.1 - v10.0
- What?s New
- NEW. The forward button is now hidden until you navigate back
- NEW. Anti-Aliasing for WebGL is now implemented (see bug 615976)
- NEW. Full Screen APIs allow you to build a web application that runs full screen (see the feature page)
- NEW. CSS3 3D-Transforms are now supported (see bug 505115)
- HTML5. New element for bi-directional text isolation, along with supporting CSS properties (see bugs 613149 and 662288)
- DEVELOPER. Inspect tool with content highlighting, includes new CSS Style Inspector
- DEVELOPER. We've added IndexedDB APIs to more closely match the specification
- FIXED. Some users may experience a crash when moving bookmarks (681795)
- Known Issues
- Unresolved. Some synaptic touch pads are unable to vertical scroll
- Unresolved. For some users, scrolling in the main GMail window will be slower than usual
- Unresolved. If you try to start Firefox using a locked profile, it will crash
- Unresolved. This version of Firefox will not work on Macintosh hardware with Power PC CPUs
- Unresolved. Under certain conditions, scrolling and text input may be jerky
- Resolved. Firefox notifications may not work properly with Growl 1.3 or later
Changes for v8.0 - v8.0.1
- Fixed Mac OS X crash that occurred in certain instances when a Java Applet is loaded with Java SE 6 version 1.6.0_29 installed.
- Fixed Windows startup crash caused by RoboForm versions older than 7.6.2.
Changes for v7.0 - v7.0.1
- Fixed a rare issue where some users could find one or more of their add-ons hidden after a Firefox update
Changes for v6.0 - v6.0.1
- Revoked the root certificate for DigiNotar due to fraudulent SSL certificate issuance (see bug 682927 and the security advisory)
Changes for v6.0 Beta 1 - v6.0 Beta 2
- The latest version of Firefox Beta has the following changes:
- The address bar now highlights the domain of the website you're visiting
- Streamlined the look of the site identity block
- Added support for the latest draft version of WebSockets with a prefixed API
- Added support for EventSource / server-sent events
- Added support for window.matchMedia
- Added Scratchpad, an interactive JavaScript prototyping environment
- Added a new Web Developer menu item and moved development-related items into it
- Improved usability of the Web Console
- Improved the discoverability of Firefox Sync
- Reduced browser startup time when using Panorama
Changes for v5.0.1 - v6.0 Beta 1
- The address bar now highlights the domain of the website you're visiting
- Streamlined the look of the site identity block
- Added support for the latest draft version of WebSockets with a prefixed API
- Added support for EventSource / server-sent events
- Added support for window.matchMedia
- Added Scratchpad, an interactive JavaScript prototyping environment
- Added a new Web Developer menu item and moved development-related items into it
- Improved usability of the Web Console
- Improved the discoverability of Firefox Sync
- Reduced browser startup time when using Panorama
Changes for v5.0 - v5.0.1
- Worked around an issue in Mac OS X 10.7 that could cause Firefox to crash
- Worked around an issue caused by Apple's "Java for Mac OS X 10.6 Update 5" where the Java plugin would not be loaded
Changes for v4.0 - v4.0.1
- Fixed several security issues.
- Fixed several stability issues.
Changes for v4.0 RC 2 - v4.0
- Firefox 4 is based on the Gecko 2.0 Web platform. This release features JavaScript execution speeds up to six times faster than the previous version, new capabilities for Web Developers and Add-on Developers such as hardware accelerated graphics and HTML5 technologies, and a completely revised user interface. Please read below for more detailed information about what's new in this version of the release, as well as the known issues.
- Firefox 4 is available in over 80 languages
- Uses JägerMonkey, a new, faster JavaScript engine that is up to six times faster than Firefox 3.6
- Support for the Do Not Track ("DNT") header that allows users to opt-out of behavioural advertising
- Firefox Sync is included by default, allowing you to securely synchronize between multiple computers and mobile devices
- Certain graphics rendering operations are now hardware-accelerated using Direct3D 9 on Windows XP, Direct3D 10 on Windows Vista and 7, and OpenGL on Mac OS (OpenGL on Linux will be supported in the future)
- Direct2D Hardware Acceleration is now on by default for Windows 7 users
- WebGL is enabled on all platforms that have a capable graphics card with updated drivers
- Native support for the HD HTML5 WebM video format, hardware accelerated where available
- Firefox button has a new look for Windows Vista and Windows 7 users
- Tabs are now on top by default on Windows, Mac OS X, and Linux
- You can search for and switch to already open tabs in the Smart Location Bar
- The stop and reload buttons have been merged into a single button on Windows, Mac OS X, and Linux
- The Bookmarks Toolbar has been replaced with a Bookmarks Button by default (you can switch it back if you'd like)
- Crash protection for Windows, Linux, and Mac OS X when there is a crash in the Adobe Flash, Apple Quicktime or Microsoft Silverlight plugins
- You can turn any tab into an "App Tab" by right-clicking on it and selecting "Make into App Tab" from the context menu
- The default homepage design has been refreshed
- Overhaul of the bookmarks and history code, enabling faster bookmarking and startup performance
- Per-compartment garbage collection is now enabled, reducing work done during complex animations
- Additional polish for the Firefox Add-ons Manager
- Improved web typography using OpenType with support for ligatures, kerning and font variants
- Web developers can animate content using CSS Transitions
- Responsiveness and scrolling improvements from the new retained layers layout system
- HTML5 Forms API makes web based forms easier to implement and validate
- Support for the new proposed Audio Data API
- Support for HSTS security protocol allowing sites to insist that they only be loaded over SSL
- A new feature called Panorama gives users a visual overview of all open tabs, allowing them to be sorted and grouped
- An experimental API is included to provide more efficient Javascript animations
- Firefox now supports the HTML5 video "buffered" property
- Changes to how XPCOM components are registered in order to help startup time and process separation
- New Addons Manager and extension management API (UI will be changed before final release)
- Significant API improvements are available for JS-ctypes, a foreign function interface for extensions
- CSS Transitions are partially supported
- Core Animation rendering model for plugins on Mac OS X. Plugins which also support this rendering model can now draw faster and more efficiently
- Web developers can update the URL field without reloading the page using HTML History APIs
- More responsive page rendering using lazy frame construction
- Link history lookup is done asynchronously to provide better responsiveness during pageload
- CSS :visited selectors have been changed to block websites from being able to check a user's browsing history
- New HTML5 parser
- Support for more HTML5 form controls
- Web authors can now get touch events from Firefox users on Windows 7 machines
- A new way of representing values in JavaScript that allows Firefox to execute heavy, numeric code (used for things like graphics and animations) more efficiently
Changes for v4.0 RC 1 - v4.0 RC 2
- Blacklisted a few invalid HTTPS certificates
- Updated localizations for 29 locales
- Added Vietnamese localization, bringing the total languages available in Firefox 4 to 83
Changes for v4.0 Beta 12 - v4.0 RC 1
- What’s New in this Firefox 4 RC
- General stability, performance, and compatibility improvements
- As well as these features from previous Firefox 4 Betas:
- Firefox 4 RC is available in 79 languages
- Support for the proposed Do Not Track ("DNT") header
- Connection status messages are now shown in a small overlay
- WebGL is enabled on all platforms, but, like for other hardware acceleration features, many buggy drivers or driver versions are blocked
- The default homepage design has been refreshed
- Firefox no longer switches into offline mode automatically
- Overhaul of the bookmarks and history code, enabling faster bookmarking and startup performance
- Per-compartment garbage collection is now enabled, reducing work done during complex animations
- The Firefox Sync setup experience has been greatly improved across desktop and mobile devices
- Additional polish for the Firefox Add-ons Manager
- Uses JägerMonkey, a new, faster JavaScript engine
- Certain rendering operations are now hardware-accelerated using Direct3D 9 on Windows XP, Direct3D 10 on Windows Vista and 7, and OpenGL on Mac OS X
- Improved web typography using OpenType with support for ligatures, kerning and font variants
- HTML5 Forms API makes web based forms easier to implement and validate
- Support for the new proposed Audio Data API
- Direct2D Hardware Acceleration is now on by default for Windows 7 users
- Firefox button has a new look for Windows Vista and Windows 7 users
- Support for HSTS security protocol allowing sites to insist that they only be loaded over SSL
- Firefox Sync is now included by default
- A new feature gives users a visual overview of all open tabs, allowing them to be sorted and grouped
- An experimental API is included to provide more efficient Javascript animations
- Firefox now supports the HTML5 video "buffered" property
- Tabs are now on top by default on Windows, Mac OS X, and Linux
- You can turn any tab into an "App Tab" by right-clicking on it and selecting "Make into App Tab" from the context menu
- Web developers can animate content using CSS Transitions
- Responsiveness and scrolling improvements from the new retained layers layout system
- JavaScript speed improvements due to engine optimizations
- Changes to how XPCOM components are registered in order to help startup time and process separation
- You can search for and switch to already open tabs in the Smart Location Bar
- New Addons Manager and extension management API (UI will be changed before final release)
- Significant API improvements are available for JS-ctypes, a foreign function interface for extensions
- The stop and reload buttons have been merged into a single button on Windows, Mac OS X, and Linux
- The Bookmarks Toolbar has been replaced with a Bookmarks Button by default (you can switch it back if you'd like)
- Crash protection for Windows, Linux, and Mac OS X when there is a crash in the Adobe Flash, Apple Quicktime or Microsoft Silverlight plugins
- CSS Transitions are partially supported
- Full WebGL support is included
- Core Animation rendering model for plugins on Mac OS X. Plugins which also support this rendering model can now draw faster and more efficiently
- Native support for the HD HTML5 WebM video format
- Web developers can update the URL field without reloading the page using HTML History APIs
- More responsive page rendering using lazy frame construction
- Link history lookup is done asynchronously to provide better responsiveness during pageload
- CSS :visited selectors have been changed to block websites from being able to check a user's browsing history
- New HTML5 parser
- Support for more HTML5 form controls
- Web authors can now get touch events from Firefox users on Windows 7 machines
- A new way of representing values in JavaScript that allows Firefox to execute heavy, numeric code (used for things like graphics and animations) more efficiently
Changes for v4.0 Beta 10 - v4.0 Beta 12
- This release delivers improved performance and responsiveness when watching videos on your favorite video websites. We are in the final stages of the Firefox 4 Beta cycle.
Changes for v4.0 Beta 8 - v4.0 Beta 9
- Overhaul of the bookmarks and history code, enabling faster bookmarking and startup performance
- Per-compartment garbage collection is now enabled, reducing work done during complex animations
- See the complete changelist from the previous beta
- As well as these features from previous Firefox 4 Betas:
- Firefox 4 Beta is available in 76 languages
- The Firefox Sync setup experience has been greatly improved across desktop and mobile devices
- Speed, functionality, and compatibility improvements to WebGL
- Additional polish for the Firefox Add-ons Manager
- Uses JägerMonkey, a new, faster JavaScript engine
- Certain rendering operations are now hardware-accelerated using Direct3D 9 on Windows XP, Direct3D 10 on Windows Vista and 7, and OpenGL on Mac OS X
- Improved web typography using OpenType with support for ligatures, kerning and font variants
- HTML5 Forms API makes web based forms easier to implement and validate
- Support for the new proposed Audio Data API
- Direct2D Hardware Acceleration is now on by default for Windows 7 users
- Firefox button has a new look for Windows Vista and Windows 7 users
- Support for HSTS security protocol allowing sites to insist that they only be loaded over SSL
- Firefox Sync is now included by default
- A new feature gives users a visual overview of all open tabs, allowing them to be sorted and grouped
- An experimental API is included to provide more efficient Javascript animations
- Firefox now supports the HTML5 video "buffered" property
- Tabs are now on top by default on Windows, Mac OS X, and Linux
- You can turn any tab into an "App Tab" by right-clicking on it and selecting "Make into App Tab" from the context menu
- Web developers can animate content using CSS Transitions
- Responsiveness and scrolling improvements from the new retained layers layout system
- JavaScript speed improvements due to engine optimizations
- Changes to how XPCOM components are registered in order to help startup time and process separation
- You can search for and switch to already open tabs in the Smart Location Bar
- New Addons Manager and extension management API (UI will be changed before final release)
- Significant API improvements are available for JS-ctypes, a foreign function interface for extensions
- The stop and reload buttons have been merged into a single button on Windows, Mac OS X, and Linux
- The Bookmarks Toolbar has been replaced with a Bookmarks Button by default (you can switch it back if you'd like)
- Crash protection for Windows, Linux, and Mac OS X when there is a crash in the Adobe Flash, Apple Quicktime or Microsoft Silverlight plugins
- CSS Transitions are partially supported
- Full WebGL support is included but disabled by default at this time
- Core Animation rendering model for plugins on Mac OS X. Plugins which also support this rendering model can now draw faster and more efficiently
- Native support for the HD HTML5 WebM video format
- Web developers can update the URL field without reloading the page using HTML History APIs
- More responsive page rendering using lazy frame construction
- Link history lookup is done asynchronously to provide better responsiveness during pageload
- CSS :visited selectors have been changed to block websites from being able to check a user's browsing history
- New HTML5 parser
- Support for more HTML5 form controls
- Web authors can now get touch events from Firefox users on Windows 7 machines
- A new way of representing values in JavaScript that allows Firefox to execute heavy, numeric code (used for things like graphics and animations) more efficiently
Changes for v3.6.16 - v3.6.17
- Fixed several security issues.
- Fixed several stability issues.
Changes for v3.6.14 - v3.6.15
- Fixed an issue where some Java applets would fail to load in Firefox 3.6.14
Changes for v3.6.12 - v3.6.13
- Fixed several security issues.
- Fixed several stability issues.
- Fixed in Firefox 3.6.13
- MFSA 2010-84 XSS hazard in multiple character encodings
- MFSA 2010-83 Location bar SSL spoofing using network error page
- MFSA 2010-82 Incomplete fix for CVE-2010-0179
- MFSA 2010-81 Integer overflow vulnerability in NewIdArray
- MFSA 2010-80 Use-after-free error with nsDOMAttribute MutationObserver
- MFSA 2010-79 Java security bypass from LiveConnect loaded via data: URL meta refresh
- MFSA 2010-78 Add support for OTS font sanitizer
- MFSA 2010-77 Crash and remote code execution using HTML tags inside a XUL tree
- MFSA 2010-76 Chrome privilege escalation with window.open and
element - MFSA 2010-75 Buffer overflow while line breaking after document.write with long string
- MFSA 2010-74 Miscellaneous memory safety hazards (rv:1.9.2.13/ 1.9.1.16)
Changes for v3.6.10 - v3.6.11
- Fixed several security issues.
- Fixed several stability issues.
Changes for v3.6.3 - v3.6.6
- Firefox 3.6.6 modifies the crash protection feature to increase the amount of time that plugins are allowed to be non-responsive before being terminated.
Changes for v3.0 RC 1 - v3.0 RC 2
- Notes:
- Mozilla Firefox®, Portable Edition is available packaged with
- Mozilla Firefox 3 Release Candidate 2, allowing you to test
- all the latest features in the upcoming version without
- disrupting your current Firefox installation. Please note
- that Firefox 3 Release Candidate 2 is a developer preview
- release of Mozilla's next generation Firefox browser and is
- being made available for testing purposes only. If you're
- looking for the stable version, please head to the Mozilla
- Firefox, Portable Edition homepage.
- Changes:
- New in this release:
- Updated to RC 2
- Added support for mimetype updating in Live (CD) mode
- Added Japanese and Simplified Chinese packages
Changes for v3.0 Beta 5 - v3.0 RC 1
- Notes:
- Mozilla Firefox®, Portable Edition is available packaged with Mozilla Firefox 3 RC 1, allowing you to test all the latest features in the upcoming version without disrupting your current Firefox installation. Please note that Firefox 3 RC 1 is a developer preview release of Mozilla's next generation Firefox browser and is being made available for testing purposes only. If you're looking for the stable version, please head to the Mozilla Firefox, Portable Edition homepage.
- Changes:
- New in this release:
- Firefox updated to 3.0 RC 1
- EULA updated
- Minor launcher bug with INI fixed
Changes for v3.0 Beta 4 - v3.0 Beta 5
- Firefox updated to 3.0 Beta 5
- Minor launcher bugs corrected with default settings and live mode
Changes for v3.0 Beta 3 rev 2 - v3.0 Beta 4
- Firefox updated to 3.0 Beta 4
- Launcher updated to handle local extensions directory
Changes for v2.0.0.14 - v2.0.0.15
- Firefox updated to 2.0.0.15
- Japanese and Simplified Chinese added
Changes for v2.0.0.3 - v2.0.0.4
- Firefox updated to 2.0.0.4
- New PortableApps.com Installer (auto-detects existing PortableApps.com install, better progress meter, etc.
Changes for v2.0.0.1 - v2.0.0.2
- Firefox updated to 2.0.0.2 / 1.5.0.10
- Slight name change "Mozilla Firefox, Portable Edition"
Changes for v2.0 RC3 - v2.0 Pre-Release 1
- added license agreement
- added Vista manifest to launcher and installer

