Latest Version: 2.2.2
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WordPress is a blog publishing system written in PHP and backed by a MySQL database. WordPress is the official successor of b2cafelog, developed by Michel Valdrighi. The name WordPress was suggested by Christine Selleck, a friend of lead developer Matt Mullenweg.
The latest release of WordPress is version 2.2.2, released on 5 August 2007. It is distributed under the GNU General Public License.
b2cafelog, more commonly known as simply b2 or cafelog was the precursor to WordPress. b2cafelog was estimated to have been employed on approximately 2000 blogs as of May 2003. It was also written in PHP for use with MySQL by Michel Valdrighi, who is now a contributing developer to WordPress. Though WordPress is the official successor, another project, b2evolution, is also in active development.
WordPress first appeared in 2003 as a joint effort between Matt Mullenweg and Mike Little to create a fork of b2. In 2004 the licensing terms for the competing Movable Type package was changed by Six Apart, and many of its users migrated to WordPress - causing a marked, and continuing, growth in WordPress's popularity.
WordPress releases are named after well known jazz musicians. WordPress 1.0 was codenamed Mingus (after Charles Mingus). WordPress 1.5 was released mid-February 2005 and codenamed Strayhorn after Billy Strayhorn. It added a range of new vital features. One such is being able to manage static pages. This allows content pages to be created and managed outside the normal blog chronology and has been the first step away from being simple blog management software to becoming a full content management system. Another is the new template/theme system, which allows users to easily activate and deactivate "skins" for their sites. WordPress was also equipped with a new default template (codenamed Kubrick after the late Stanley Kubrick) designed by Michael Heilemann.
WordPress 2.0 was released in December 2005 and codenamed Duke after jazz pianist and composer Duke Ellington. This version added rich editing, better administration tools, image uploading, faster posting, an improved import system, and completely overhauled the back end. WordPress 2.0 also offered various improvements to plugin developers.
On 22 January 2007, another major upgrade, WordPress 2.1, codenamed Ella after jazz vocalist Ella Fitzgerald, was released. In addition to correcting security issues, version 2.1 featured a redesigned interface and enhanced editing tools (including integrated spell check and auto save), improved content management options, and a variety of code and database optimizations.
WordPress 2.2, codenamed Getz after tenor saxophonist Stan Getz, was released on 16 May 2007. Version 2.2 featured widget support for templates, updated Atom feed support, and speed optimizations. Wordpress 2.2 was initially slated to have a revised taxonomy system for categories, as well as tags, but a proposed revision led to the feature being held back from release.