WordPress – Wikipedia

Version Code name Release date Notes Old version, no longer maintained : 0.7 none May 27, 2003[41] Used the same file structure as its predecessor, b2/cafelog, and continued the numbering from its last release, 0.6.[42] Only 0.71-gold is available for download in the official WordPress Release Archive page. Old version, no longer maintained : 1.0 Davis January 3, 2004[43] Added search engine friendly permalinks, multiple categories, dead-simple installation and upgrade, comment moderation, XFN support, Atom support. Old version, no longer maintained : 1.2 Mingus May 22, 2004[44] Added support of Plugins; which same identification headers are used unchanged in WordPress releases as of 2011 .

Old version, no longer maintained:

1.5 Strayhorn February 17, 2005[45] Added a range of vital features, such as the ability to manage static pages and a template/Theme system. It was also equipped with a new default template (code named Kubrick).[46] designed by Michael Heilemann. Old version, no longer maintained : 2.0 Duke December 31, 2005[47] Added rich editing, better administration tools, image uploading, faster posting, improved import system, fully overhauled the back end, and various improvements to Plugin developers. Old version, no longer maintained : 2.1 Ella January 22, 2007[48] Corrected security issues, a redesigned interface, enhanced editing tools (including integrated spell check and auto save), and improved content management options. Old version, no longer maintained : 2.2 Getz May 16, 2007[49] Added widget support for templates, updated Atom feed support, and speed optimizations. Old version, no longer maintained : 2.3 Dexter September 24, 2007[50] Added native tagging support, new taxonomy system for categories, and easy notification of updates, fully supports Atom 1.0, with the publishing protocol, and some much needed security fixes. Old version, no longer maintained : 2.5 Brecker March 29, 2008[51] Major revamp to the dashboard, dashboard widgets, multi-file upload, extended search, improved editor, an improved plugin system and more. Old version, no longer maintained : 2.6 Tyner July 15, 2008[52] Added new features that made WordPress a more powerful CMS: it can now track changes to every post and page and allow easy posting from anywhere on the web. Old version, no longer maintained : 2.7 Coltrane December 11, 2008[53] Administration interface redesigned fully, added automatic upgrades and installing plugins, from within the administration interface. Old version, no longer maintained : 2.8 Baker June 10, 2009[54] Added improvements in speed, automatic installing of themes from within administration interface, introduces the CodePress editor for syntax highlighting and a redesigned widget interface. Old version, no longer maintained : 2.9 Carmen December 19, 2009[55] Added global undo, built-in image editor, batch plugin updating, and many less visible tweaks. Old version, no longer maintained : 3.0 Thelonious June 17, 2010[56] Added a new theme APIs, merged WordPress and WordPress MU, creating the new multi-site functionality, new default theme “Twenty Ten” and a refreshed, lighter admin UI. Old version, no longer maintained : 3.1 Reinhardt February 23, 2011[57] -Added the Admin Bar, which is displayed on all blog pages when an admin is logged in, and Post Format, best explained as a Tumblr-like micro-blogging feature. It provides easy access to many critical functions, such as comments and updates. Includes internal linking abilities, a newly streamlined writing interface, and many other changes. Old version, no longer maintained : 3.2 Gershwin July 4, 2011[58] Focused on making WordPress faster and lighter. Released only four months after version 3.1, reflecting the growing speed of development in the WordPress community. Old version, no longer maintained : 3.3 Sonny December 12, 2011[59] Focused on making WordPress friendlier for beginners and tablet computer users. Old version, no longer maintained : 3.4 Green June 13, 2012[60] Focused on improvements to theme customization, Twitter integration and several minor changes. Old version, no longer maintained : 3.5 Elvin December 11, 2012[61] Support for the Retina Display, color picker, new default theme “Twenty Twelve”, improved image workflow. Old version, no longer maintained : 3.6 Oscar August 1, 2013[62] New default theme “Twenty Thirteen”, admin enhancements, post formats UI update, menus UI improvements, new revision system, autosave and post locking. Older version, yet still maintained : 3.7 Basie October 24, 2013[63] Automatically apply maintenance and security updates in the background, stronger password recommendations, support for automatically installing the right language files and keeping them up to date.

Older version, yet still maintained:

3.8 Parker December 12, 2013[64] Improved admin interface, responsive design for mobile devices, new typography using Open Sans, admin color schemes, redesigned theme management interface, simplified main dashboard, “Twenty Fourteen” magazine-style default theme, second release using “Plugin-first development process”. Older version, yet still maintained : 3.9 Smith April 16, 2014[65] Improvements to editor for media, live widget and header previews, new theme browser. Older version, yet still maintained : 4.0 Benny September 4, 2014[66] Improved media management, embeds, writing interface, easy language change, theme customizer, plugin discovery and compatibility with PHP 5.5 and MySQL 5.6.[67] Older version, yet still maintained : 4.1 Dinah December 18, 2014[68] Twenty Fifteen as the new default theme, distraction-free writing, easy language switch, Vine embeds and plugin recommendations. Older version, yet still maintained : 4.2 Powell April 23, 2015[69] New “Press This” features, improved characters support, emoji support, improved customizer, new embeds and updated plugin system. Older version, yet still maintained : 4.3 Billie August 18, 2015[70] Focus on mobile experience, better passwords and improved customizer. Older version, yet still maintained : 4.4 Clifford December 8, 2015[71] Introduction of “Twenty Sixteen” theme, and improved responsive images and embeds. Older version, yet still maintained : 4.5 Coleman April 12, 2016[72] Added inline linking, formatting shortcuts, live responsive previews, and other updates under the hood. Older version, yet still maintained : 4.6 Pepper August 16, 2016[73] Added streamlined updates, native fonts, editor improvements with inline link checker and content recovery, and other updates under the hood. Older version, yet still maintained : 4.7 Vaughan December 6, 2016[74] Comes with new default theme “Twenty Seventeen”, Video Header Support, PDF preview, custom CSS in live preview, editor Improvements, and other updates under the hood. Older version, yet still maintained : 4.8 Evans June 8, 2017[75] The next-generation editor. Additional specific goals include the TinyMCE inline element / link boundaries, new media widgets, WYSIWYG in text widget. End Support for Internet Explorer Versions 8, 9, and 10. Older version, yet still maintained : 4.9 Tipton November 16, 2017[76] Improved theme customizer experience, including scheduling, frontend preview links, autosave revisions, theme browsing, improved menu functions, and syntax highlighting. Added new gallery widget and updated text and video widgets. Theme editor gives warnings and rollbacks when saving files that produce fatal errors.[77] Older version, yet still maintained : 5.0 Bebo December 6, 2018[78] New block-based editor Gutenberg[79] with new default theme “Twenty Nineteen”. Older version, yet still maintained : 5.1 Betty February 21, 2019[80] PHP version upgrade notices and block editor improvements. Older version, yet still maintained : 5.2 Jaco May 7, 2019[81] Include Site Health Check, PHP error protection, the all-new block directory, and update package signing. Older version, yet still maintained : 5.3 Kirk November 12, 2019[82] Polish current user interactions and make user interfaces more user friendly. New default theme “Twenty Twenty”, designed by Anders Norén. Older version, yet still maintained : 5.4 Adderley March 31, 2020[83] Social Icons and Buttons blocks added, blocks customization and user interface improved, added features for personal data exports, custom fields for menu items, blocks improvements for developers.[84]

Older version, yet still maintained:

5.5 Eckstine August 11, 2020[85] Added lazy-loading images, XML sitemaps by default, auto-updates to plugins and themes, and improvements to the block editor.[86] Older version, yet still maintained : 5.6 Simone December 8, 2020[87] New default theme “Twenty Twenty-One,” Gutenberg enhancements, automatic updates for core releases, increased support for PHP 8, application passwords for REST API authentication, improved accessibility.[88] Older version, yet still maintained : 5.7 Esperanza March 9, 2021[89] New editor is easier to use, do more without writing custom code, simpler default color palette, from HTTP to HTTPS in a single click, new Robots API, lazy-load your iframes and ongoing cleanup after update to jQuery 3.5.1.[90] Current stable version : 5.8 Tatum July 20, 2021[91] Block widgets, query loop blocks, block themes, List View, Pattern Transformations, Duotone, new theme.json file, dropped IE11 support, WebP image support, new block support flags.[92]