2003
2005
0.70 The very first WordPress, release is based on the b2/cafelog system (May 27, 2003).0.71 Posts get three different statuses: publish, draft or private.
2004
1.5 Strayhorn A new flexible theme and template system is added. Users can create pages. Dashboard appears for the first time in the admin panel.2.0 Duke The admin panel's layout is completely changed. The Akismet plugin is released. TinyMCE Editor appears for the first time. It enables uploading images/files directly through the editor. Users can preview posts before publishing them.
2007
20082.5 Brecker The admin panel's layout is completely redone. Shortcode API is added.2.6 Tyner The Press This button appeared for the first time. There is also a feature enabling users to preview a theme before activating it.2.7 Coltrane The option for plugin automatic installation is introduced. A new Dashboard, QuickPress, sticky posts.
20103.0 Thelonious Users can create custom menus. The new default theme Twenty Ten becomes available. WordPress MU and WordPress merge into one project
20123.4 Green Theme Customizer is added as it enables users to modify themes. 3.5 Elvin The Twenty Twelve theme is released with a new media manager. JavaScript, Underscore and Backbone libraries are added.
20143.9 Smith Live Preview of widgets is now possible. Improvements in the Theme Customizer and media (files, images) become available. Creation of audio and video galleries.4.0 Benny Language selection is possible upon upon new installation. Easier content management and creation.4.1 Dinah New Twenty Fifteen theme in which language can be switched through the admin panel. TinyMCE Editor offers the new feature distraction-free writing. The Theme Customizer is renamed to Customizer.
20164.5 Coleman Live responsive preview in Customizer and optimized image generation.4.6 Pepper Native Fonts are used in the admin panel. Upgrading plugins directly through the list. 4.7 Vaughan The Twenty Seventeen theme is released with language switch option for the administration Customizer improvements - video headers, buttons for editing elements, CSS. Starter content.
20185.0 (?) Still expected.
1.0 Davis WordPress supports search engine friendly permalinks. Pingback option is added to notify search engines for new content.1.2 Mingus An improved plugin system is added. Categories can be hierarchically ordered into subcategories.
2.1 Ella Posts are automatically saved when edited. Visual and text mode of the TimyMce Editor become available. There is a new feature for cron jobs (psuedo-cron).2.2 Getz Widgets are added as they can be located into the theme's dynamic sidebars.2.3 Dexter Native tagging support and new taxonomy system for categories are added.
2.8 Baker The option for automatic theme installation within administration interface is introduced. The CodePress editor for system files is added.2.9 Carmen Editing images gets possible. The rel=canonical tag is added. There is a new status for posts, pages and comments - Trash.
3.1 Gershwin An admin bar is displayed on the website after logging into the admin panel. Post formats are introduced.3.2 Reinhardt The Twenty Eleven theme is released. Full Screen Editor becomes available.3.3 Sonny More user-friendly, mproved loading on tablets and much easier to work with on touchscreen devices.
3.6 Peterson The Twenty Thirteen theme is released. Upgrade of the revision control system (preview and recovery).3.7 Basie Automatic updates for minor releases (security improvements and bugfixes) are added.3.8 Parker The responsive Twenty Fourteen theme is released with a new layout of the admin panel.
4.2 Powell Better support of symbols. Support of emojis.4.3 Billie Comments on pages are deactivated by default.4.4 Clifford Twenty Sixteen theme is introduced with responsive images.
4.8 Evans Gutenberg The project for a new content editor becomes famous. New image, audio and video widgets are added.4.9 Tipton Customizer Improvements - drafts and save and publish later features. Link for previewing changes becomes available for non-administrators of the website. New gallery widget. The Press This button has been removed.
2015
2017
2013
2011
2009