Mozilla Firefox, Portable Edition and Gecko Layout Engine Test Versions

Mozilla Firefox, Portable Edition Test Versions are test versions of the popular Firefox web browser or test versions of the Gecko layout engine bundled with a PortableApps.com Launcher as a portable app that are being made available for testing purposes only, and are intended for web application developers and our testing community. For everyday use, please use Mozilla Firefox, Portable Edition.

Mozilla Developer Preview, Portable Edition 3.7 Alpha 2

From Mozilla: "The Mozilla Developer Preview of Gecko 1.9.3 alpha 2 is an early developer milestone containing new features of the Gecko layout engine. It is being made available for testing purposes only, and is intended for web application developers and our testing community. Current users of Mozilla Firefox should not use this Mozilla Developer Preview."

- Support PortableApps.com's development and hosting

Install Note: This will install alongside a Mozilla Firefox, Portable Edition installation by default in a FirefoxPortableTest directory. The installer supports upgrading existing 3.6 installations by manually changing the install location, though this is not recommended.

Minefield Portable 3.7 Alpha 3 Pre Nightly (permalink)

For advanced testers, we also make available a portable version of Minefield, which is a test build for some of the technologies that will appear in later versions of Firefox. The Minefield Portable installer will automatically download the current trunk build of Minefield from Mozilla's servers during installation. It will install to a FirefoxPortableMinefield dirctory alongside your existing copy of Mozilla Firefox, Portable Edition.

Warning: This is NOT A FINAL OR PRE-RELEASE VERSION. Bad things could happen.

Download Minefield, Portable Edition 3.7 Alpha 3 Pre Nightly

Install Note: This will install alongside a Mozilla Firefox, Portable Edition installation by default in a FirefoxPortableNightly directory. The installer supports upgrading existing 3.6 installations by manually changing the install location, though this is not recommended.

Support

Though there is no support specifically for this test release, the pages for Firefox Portable Support should help.

Download Details

• Publisher: PortableApps.com (John T. Haller) and Mozilla
• System Requirements: Windows 2000/XP/Vista/7, Wine on Linux/UNIX
• License: Free / Open Source (Launcher: GPL, Firefox: MPL/GPL/LPGL under Mozilla EULA)
  
• Source Code: Launcher source (included), Firefox source

Mozilla®, Firefox® and the Firefox logo are registered trademarks of the Mozilla Foundation and are used under license.