|Developer(s)||Mozilla Foundation and community|
|Initial release||February 2006|
41.0.2 / October 15, 2015
41.0b9 / October 14, 2015
XULRunner is a discontinued, packaged version of the Mozilla platform to enable standalone desktop application development using XUL, developed by Mozilla. It replaced the Gecko Runtime Environment, a stalled project with a similar purpose. The first stable developer preview of XULRunner was released in February 2006, based on the Mozilla 1.8 code base. Mozilla stopped supporting the development of XULrunner in July 2015.
XULRunner was a "technology experiment", not a shipped product, meaning there were no official XULRunner releases, only stable builds based on the same code as a corresponding Firefox release.
XULRunner stores a variety of configuration data (bookmarks, cookies, contacts etc.) in internally managed SQLite databases, and even offer an add-on to manage SQLite databases.
Mozilla Firefox, Mozilla Thunderbird, Nightingale, Songbird, Flickr Uploadr, SeaMonkey, Conkeror, Sunbird, Miro, Joost, and TomTom Home 2.0 ran on XULRunner. Starting with version 3.0, Mozilla Firefox uses a "private" XULRunner, meaning the framework is installed locally in the application directory.
In addition, the XULRunner package provided access to ActiveX Control functionality previously found in a (now defunct) third-party ActiveX Control built off the Mozilla source code. Applications using this application programming interface (API) may have function with XULRunner installed and registered.
In January 2014, dropping XULRunner support was discussed by Mozilla developers. In July 2015, Mozilla stopped supporting the development of XULrunner, and the community page has been taken down. As of the beginning of 2016, it had been dropped from the package database of most Linux distributions, including Gentoo, Debian, and Ubuntu.
XULRunner can still be installed separately, and many XULRunner-dependent applications can be switched over fairly easily. Also developing and running XULRunner apps is still possible through firefox as well as previous or custom builds of XULRunner. However, its disappearance has caused some dependent packages to be removed from package databases.
- Mozilla application framework (XPFE)
- Mozilla Prism
- Gecko (software)
- HTML Application
- Adobe Integrated Runtime (AIR)
- Chromium Embedded Framework
- Electron (software framework)
- Deprecation Notice
- XULRunner future and ownership: Announcement to XULRunner dev group
- "GRE — Mozilla Developer Center". Developer.mozilla.org. Retrieved 2011-02-28.
- Benjamin Smedberg. "Re: lifecycle policy for XULRunner apps?". Newsgroup: mozilla.dev.planning. Usenet: email@example.com.
- "XULRunner:Roadmap - MozillaWiki". Wiki.mozilla.org. 2009-12-01. Retrieved 2011-02-28.
- "xulrunner-adwords-editor — Project Hosting on Google Code". Code.google.com. Retrieved 2011-02-28.
- "Google Code Archive - Long-term storage for Google Code Project Hosting". code.google.com. Retrieved 2018-08-26.
- Terminating xulrunner?
- Obsolete and defunct XULRunner community site Archived November 3, 2015, at the Wayback Machine
- "403415 – (xulrunner) net-libs/xulrunner removal request".
- XULRunner decision on Debian
- XULRunner on Debian
- Ubuntu bug
- Ubuntu-devel discussion
- Mozilla will stop producing automated builds of XULRunner after the 41.0 cycle
- Kiwix not available on Debian