Title: Version 3.6
Author: Akira Tachibana
Published: January 13, 2019

---

# Version 3.6

## In this article

 * [Highlights](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#highlights)
 * [What’s New](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#whats-new)
    - [General](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#general)
    - [Posts](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#posts)
    - [Media](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#media)
    - [Comments](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#comments)
    - [Appearance](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#appearance)
    - [Plugins](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#plugins)
    - [Users](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#users)
    - [Settings](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#settings)
    - [Accessibility](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#accessibility)
 * [Under The Hood](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#under-the-hood)
    - [General](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#general-2)
    - [Bug Fixes](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#bug-fixes)
    - [Multisite](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#multisite)
    - [Classes](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#classes)
    - [Functions](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#functions)
    - [Filters](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#filters)
    - [Scripts, External Libraries](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#scripts-external-libraries)
    - [Deprecated](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#deprecated)

[ Back to top](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#wp--skip-link--target)

On August 1, 2013, WordPress **Version 3.6**, named for Oscar Peterson, was released
to the public. For more information on this enhancement and bug-fix release, read
the [WordPress Blog](https://wordpress.org/development), the [Release Post](https://wordpress.org/news/2013/08/oscar/),
and see the [Changelog for 3.6](https://codex.wordpress.org/Changelog/3.6).

For **Version 3.6**, the database version (**db_version** in **wp_options**) changed
to 24448, and the [Trac](https://core.trac.wordpress.org/) revision was r24973.

 * [View Closed Tickets](https://trac.wordpress.org/query?status=closed&milestone=3.6)

## 󠀁[Highlights](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#highlights)󠁿

 * **New Default Theme – [Twenty Thirteen](https://wordpress.org/themes/twentythirteen)**
    - Focus on blogging
    - Single column layout with [Sidebar](https://developer.wordpress.org/themes/functionality/sidebars/)/
      [Widgets](https://developer.wordpress.org/themes/functionality/widgets/) in
      the footer
    - Latest [Theme Features](https://codex.wordpress.org/Theme_Features) support,
      particularly [Post Formats](https://wordpress.org/support/article/post-formats/?output_format=md)
      and [Theme Markup](https://codex.wordpress.org/Theme_Markup)
    - Font-based icons ([Genericons](http://genericons.com/))
 * **Admin Enhancements**
    - UI improvements on [Navigation Menus Screen](https://developer.wordpress.org/themes/functionality/navigation-menus/)
    - [Revisions](https://codex.wordpress.org/Revisions) revised to be more dynamic
      and scalable
    - Autosave and [Post Locking](https://codex.wordpress.org/Post_Locking)
    - Preview Audio and Video on [Media Edit Screen](https://codex.wordpress.org/Edit_Media)
    - In-line login following expired sessions
 * **For Developers**
    - External Libraries have been updated. [More Info](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#scripts-external-libraries)
    - New audio/video APIs give developers access to powerful media metadata, like
      ID3 tags.
    - Filters for revisions, allowing you to set the number of revisions ad hoc 
      instead of only via a define. [More Info](https://core.trac.wordpress.org/ticket/22289)
    - [Theme Markup](https://codex.wordpress.org/Theme_Markup) allows themes to 
      choose improved HTML5 markup for search forms, comment forms, and comment 
      lists.
    - Search content for shortcodes with [has_shortcode()](https://codex.wordpress.org/Function_Reference/has_shortcode)
      and adjust shortcode attributes with a new filter.

## 󠀁[What’s New](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#whats-new)󠁿

### 󠀁[General](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#general)󠁿

 * Use digraphs for German umlauts in [remove_accents()](https://codex.wordpress.org/Function_Reference/remove_accents)
 * Use Ellipses instead of …
 * Consistently apply ‘register’ filter
 * Automatically [esc_url()](https://codex.wordpress.org/Function_Reference/esc_url)
   the URL echoed by [the_permalink()](https://codex.wordpress.org/Function_Reference/the_permalink)
 * Allow developers to specify an Accept-Encoding header in WP_Http::accept_encoding()
 * Pass tag object and args array to topic_count_text_callback from [wp_generate_tag_cloud()](https://codex.wordpress.org/Function_Reference/wp_generate_tag_cloud)
 * Use [wp_unslash()](https://codex.wordpress.org/Function_Reference/wp_unslash)
   instead of stripslashes_deep
 * Improve the performance of [backslashit()](https://codex.wordpress.org/Function_Reference/backslashit)
   by avoiding regular expressions
 * Disallow accidental or negligent deregistering of critical scripts in the admin.
   Covers jQuery, jQuery UI, Underscore, and Backbone
 * Remove [the_title_attribute()](https://codex.wordpress.org/Function_Reference/the_title_attribute)
   from anchors with [the_title()](https://codex.wordpress.org/Function_Reference/the_title)
   as text
 * Display username (user_login) rather than user_nicename in Toolbar below username

### 󠀁[Posts](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#posts)󠁿

 * The [Revision Management](https://codex.wordpress.org/Revision_Management) UI
   saw significant improvement
 * [Shortcode](https://codex.wordpress.org/Shortcode) attributes can now be filtered
   via shortcode_atts_$shortcode hook
 * The ability to change post formats was removed from Quick Edit
 * A ‘not_found’ label was added for non-hierarchical taxonomys
 * Better UX for dealing with multiple users editing the same content (aka Post 
   Locking)
 * Audio/Video support [More Info](https://make.wordpress.org/core/2013/04/08/audio-video-support-in-core/)

### 󠀁[Media](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#media)󠁿

 * Add [oEmbed](https://codex.wordpress.org/oEmbed) support for Rdio and Spotify
 * .webm (video/webm) was added to the MIME types list
 * The [Media Library](https://wordpress.org/support/article/media-library-screen/?output_format=md)
   can now be sorted by Author name
 * Bug fixed where initial gallery link-to setting wasn’t applied
 * Return from [image_downsize()](https://codex.wordpress.org/Function_Reference/image_downsize)
   earlier if a custom resize function is used
 * Orientation information was added to items in [gallery_shortcode()](https://codex.wordpress.org/Function_Reference/gallery_shortcode)
 * New Audio and Video previews are available on the [Media](https://wordpress.org/support/article/media-library-screen/?output_format=md)
   > [Edit](https://codex.wordpress.org/Edit_Media) Screen
 * Added [wp_audio_shortcode()](https://codex.wordpress.org/Function_Reference/wp_audio_shortcode)
   and [wp_video_shortcode()](https://codex.wordpress.org/Function_Reference/wp_video_shortcode)

### 󠀁[Comments](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#comments)󠁿

 * Improve [wp_list_comments()](https://codex.wordpress.org/Function_Reference/wp_list_comments)
   markup
 * Add the ability to use HTML5 input types in the comment form

### 󠀁[Appearance](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#appearance)󠁿

 * The [Navigation Menus](https://developer.wordpress.org/themes/functionality/navigation-menus/)
   UI got a significant refresh
 * The Customizer can now be accessed via the Appearance menu
 * Screen options can now be added to the [Appearance](https://wordpress.org/support/article/administration-screens/?output_format=md#appearance-change-the-look-of-your-blog)
   > [Widgets](https://codex.wordpress.org/Appearance_Widgets_Screen) Screen

### 󠀁[Plugins](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#plugins)󠁿

 * Prevent plugins from overriding jQuery in the admin
 * Prevent plugins with certain filenames from breaking links in the admin menu

### 󠀁[Users](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#users)󠁿

 * Remove the three default contact methods (AIM, YIM, Jabber) for new installs.
 * Pass old roles to [set_user_role](https://codex.wordpress.org/Plugin_API/Action_Reference/set_user_role)
   action
 * The workflow for deleting users has been improved

### 󠀁[Settings](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#settings)󠁿

 * Allow any post format to be set as default in [Settings](https://wordpress.org/support/article/settings-general-screen/?output_format=md)
   > [Writing](https://wordpress.org/support/article/settings-writing-screen/?output_format=md)
   Screen

### 󠀁[Accessibility](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#accessibility)󠁿

 * Better keyboard/screen reader accessibility in the Nav Menus UI
 * Background image’s “select a file” link works with keyboard navigation

## 󠀁[Under The Hood](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#under-the-hood)󠁿

### 󠀁[General](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#general-2)󠁿

 * Use official MIME types for Windows Media file extensions
 * Redirect after save on options-permalink.php to ensure permalinks are fully flushed
 * Only show database errors if both WP_DEBUG and WP_DEBUG_DISPLAY are enabled

### 󠀁[Bug Fixes](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#bug-fixes)󠁿

 * Strip slashes from passwords sent to new users by email
 * Make sure the url returned by [post_preview()](https://codex.wordpress.org/Function_Reference/post_preview)
   is filterable with [preview_post_link](https://codex.wordpress.org/index.php?title=Plugin_API/Filter_Reference/preview_post_link&action=edit&redlink=1)
 * Fix handling of ‘0’ as meta_value argument in [get_pages()](https://codex.wordpress.org/Function_Reference/get_pages)
 * Correctly print ‘after’ data when scripts are concatenated in [WP_Styles](https://codex.wordpress.org/Class_Reference/WP_Styles)
   class
 * Properly truncate UTF-8 post slugs in [wp_unique_post_slug()](https://codex.wordpress.org/Function_Reference/wp_unique_post_slug)
 * Avoid PHP notices in Media Library if an attachment parent does not exist
 * Fix some tabbing issues on the post editing screen
 * Avoid notice by checking for user agent in [wp_new_comment()](https://codex.wordpress.org/Function_Reference/wp_new_comment)
 * Avoid notice in [parent_dropdown()](https://codex.wordpress.org/index.php?title=Function_Reference/parent_dropdown&action=edit&redlink=1)
   by checking if post exists before testing post id
 * Prevent an unintended visibility change from “Password protected” to “Public”
   when updating the post
 * Avoid a warning in mb_internal_encoding by making sure we have a charset first
 * Fix unnecessarily persistent “pending email change” admin message
 * Ensure we strictly compare ‘all options’ and ‘not options’ when protecting these
   special options
 * Make sure to reset the modal after gallery insertion
 * Add sanity checks on image metadata to avoid warnings
 * Avoid an undefined index notice in [get_post_type_archive_feed_link()](https://codex.wordpress.org/Function_Reference/get_post_type_archive_feed_link)
 * Avoid notices when array args are missing in [WP_Image_Editor::multi_resize()](https://codex.wordpress.org/Class_Reference/WP_Image_Editor)
 * Fix notice in [wp_generate_attachment_metadata()](https://codex.wordpress.org/Function_Reference/wp_generate_attachment_metadata)
 * Avoid PHP notices when deleting or restoring an item that no longer exists

### 󠀁[Multisite](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#multisite)󠁿

 * Pass blog_id to the wpmu_drop_tables filter

### 󠀁[Classes](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#classes)󠁿

 * XML-RPC: Return an error for getRecentPosts (mw and blogger) if the user does
   not have edit_posts
 * XML-RPC: Standardize home/site url labels with core labels
 * Preserve alpha in [WP_Image_Editor_GD](https://codex.wordpress.org/index.php?title=Class_Reference/WP_Image_Editor_GD&action=edit&redlink=1)
   when images are not resized
 * Make sure WP_Http funnels all redirect requests through [WP_Http::request()](https://codex.wordpress.org/HTTP_API)
   to ensure the proper transport is used

### 󠀁[Functions](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#functions)󠁿

 * An arg parameter was added for [wp_nonce_url()](https://codex.wordpress.org/Function_Reference/wp_nonce_url)
 * Allow paths with two consecutive dots to be passed to [home_url()](https://codex.wordpress.org/Function_Reference/home_url)
   and all related *_url() functions
 * Document 7th parameter, $callback_args in [add_meta_box()](https://codex.wordpress.org/Function_Reference/add_meta_box)
 * Confirm a user exists before deleting them in [wp_delete_user()](https://codex.wordpress.org/Function_Reference/wp_delete_user)
   and [wpmu_delete_user()](https://codex.wordpress.org/Function_Reference/wpmu_delete_user)
 * Return WP_Error from [wp_crop_image()](https://codex.wordpress.org/index.php?title=Function_Reference/wp_crop_image&action=edit&redlink=1)
   if saving has failed
 * Bail early with correct WP_Error if invalid post ID passed to [wp_insert_post()](https://codex.wordpress.org/Function_Reference/wp_insert_post)
 * Remove duplicate calls to [add_new_user_to_blog()](https://codex.wordpress.org/Function_Reference/add_new_user_to_blog)
 * Introduce [wp_add_id3_tag_data()](https://codex.wordpress.org/Function_Reference/wp_add_id3_tag_data)
 * Introduce [wp_read_video_metadata()](https://codex.wordpress.org/Function_Reference/wp_read_video_metadata)
 * Introduce [wp_read_audio_metadata()](https://codex.wordpress.org/Function_Reference/wp_read_audio_metadata)
 * Introduce [wp_nav_menu_disabled_check()](https://codex.wordpress.org/Function_Reference/wp_nav_menu_disabled_check)
 * Introduce [wp_nav_menu_update_menu_items()](https://codex.wordpress.org/Function_Reference/wp_nav_menu_update_menu_items)
 * Introduce [do_accordion_sections()](https://codex.wordpress.org/Function_Reference/do_accordion_sections)
 * Introduce [wp_slash()](https://codex.wordpress.org/Function_Reference/wp_slash)
 * Introduce [wp_unslash()](https://codex.wordpress.org/Function_Reference/wp_unslash)
 * Introduce [wp_is_writable()](https://codex.wordpress.org/Function_Reference/wp_is_writable)
 * Introduce [wp_auth_check_load()](https://codex.wordpress.org/Function_Reference/wp_auth_check_load)
 * Introduce [wp_auth_check()](https://codex.wordpress.org/Function_Reference/wp_auth_check)
 * Introduce [get_tag_regex()](https://codex.wordpress.org/Function_Reference/get_tag_regex)
 * Introduce [wp_registration_url()](https://codex.wordpress.org/Function_Reference/wp_registration_url)
 * Introduce [wp_heartbeat_settings()](https://codex.wordpress.org/Function_Reference/wp_heartbeat_settings)
 * Introduce [wp_mediaelement_fallback()](https://codex.wordpress.org/Function_Reference/wp_mediaelement_fallback)
 * Introduce [wp_get_audio_extensions()](https://codex.wordpress.org/Function_Reference/wp_get_audio_extensions)
 * Introduce [wp_audio_shortcode()](https://codex.wordpress.org/Function_Reference/wp_audio_shortcode)
 * Introduce [wp_get_video_extensions()](https://codex.wordpress.org/Function_Reference/wp_get_video_extensions)
 * Introduce [wp_video_shortcode()](https://codex.wordpress.org/Function_Reference/wp_video_shortcode)
 * Introduce [wp_embed_handler_audio()](https://codex.wordpress.org/Function_Reference/wp_embed_handler_audio)
 * Introduce [wp_embed_handler_video()](https://codex.wordpress.org/Function_Reference/wp_embed_handler_video)
 * Introduce [get_attached_media()](https://codex.wordpress.org/Function_Reference/get_attached_media)
 * Introduce [get_post_galleries()](https://codex.wordpress.org/Function_Reference/get_post_galleries)
 * Introduce [get_post_galleries_images()](https://codex.wordpress.org/Function_Reference/get_post_galleries_images)
 * Introduce [get_post_gallery()](https://codex.wordpress.org/Function_Reference/get_post_gallery)
 * Introduce [get_post_gallery_images()](https://codex.wordpress.org/Function_Reference/get_post_gallery_images)
 * Introduce [wp_post_revision_title_expanded()](https://codex.wordpress.org/Function_Reference/wp_post_revision_title_expanded)
 * Introduce [paginate_content()](https://codex.wordpress.org/Function_Reference/paginate_content)
 * Introduce [get_paged_content()](https://codex.wordpress.org/Function_Reference/get_paged_content)
 * Introduce [wp_revisions_enabled()](https://codex.wordpress.org/Function_Reference/wp_revisions_enabled)
 * Introduce [wp_revisions_to_keep()](https://codex.wordpress.org/Function_Reference/wp_revisions_to_keep)
 * Introduce [wp_text_diff_with_count()](https://codex.wordpress.org/Function_Reference/wp_text_diff_with_count)
 * Introduce [shortcode_exists()](https://codex.wordpress.org/Function_Reference/shortcode_exists)
 * Introduce [has_shortcode()](https://codex.wordpress.org/Function_Reference/has_shortcode)
 * Introduce [wp_parse_post_content()](https://codex.wordpress.org/Function_Reference/wp_parse_post_content)
 * Introduce [wp_remove_object_terms()](https://codex.wordpress.org/Function_Reference/wp_remove_object_terms)
 * Introduce [wp_add_object_terms()](https://codex.wordpress.org/Function_Reference/wp_add_object_terms)

### 󠀁[Filters](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#filters)󠁿

 * Add [self_link](https://codex.wordpress.org/Plugin_API/Filter_Reference/self_link)
   in [self_link()](https://codex.wordpress.org/index.php?title=Function_Reference/self_link&action=edit&redlink=1)
 * Add [get_comments_link](https://codex.wordpress.org/Plugin_API/Filter_Reference/get_comments_link)
   in [get_comments_link()](https://codex.wordpress.org/index.php?title=Function_Reference/get_comments_link&action=edit&redlink=1)
 * Add [comments_link_feed](https://codex.wordpress.org/Plugin_API/Filter_Reference/comments_link_feed)
   in [comments_link_feed()](https://codex.wordpress.org/index.php?title=Function_Reference/comments_link_feed&action=edit&redlink=1)
 * Add [comment_link](https://codex.wordpress.org/Plugin_API/Filter_Reference/comment_link)
   in [get_comment_link()](https://codex.wordpress.org/Function_Reference/get_comment_link)
 * Add [nav_menu_link_attributes](https://codex.wordpress.org/Plugin_API/Filter_Reference/nav_menu_link_attributes)
   in [Walker_Nav_Menu::start_el()](https://codex.wordpress.org/Class_Reference/Walker_Nav_Menu)
 * Add [wp_revisions_to_keep](https://codex.wordpress.org/Plugin_API/Filter_Reference/wp_revisions_to_keep)
   in [wp_revisions_to_keep()](https://codex.wordpress.org/Function_Reference/wp_revisions_to_keep)
 * Add [wp_link_pages](https://codex.wordpress.org/Plugin_API/Filter_Reference/wp_link_pages)
   in [wp_link_pages()](https://codex.wordpress.org/index.php?title=Functions_Reference/wp_link_pages&action=edit&redlink=1)
 * Add [search_form_format](https://codex.wordpress.org/Plugin_API/Filter_Reference/search_form_format)
   in [get_search_form()](https://codex.wordpress.org/Function_Reference/get_search_form)
 * Add [user_search_columns](https://codex.wordpress.org/Plugin_API/Filter_Reference/user_search_columns)
   in [WP_User_Query::prepare_query()](https://codex.wordpress.org/Class_Reference/WP_User_Query)
 * Add [wp_http_accept_encoding](https://codex.wordpress.org/Plugin_API/Filter_Reference/wp_http_accept_encoding)
   in [WP_Http_Encoding::accept_encoding()](https://codex.wordpress.org/index.php?title=Class_Reference/WP_Http_Encoding&action=edit&redlink=1)
 * Add [widget_meta_poweredby](https://codex.wordpress.org/Plugin_API/Filter_Reference/widget_meta_poweredby)
   in [WP_Widget_Meta::widget()](https://codex.wordpress.org/index.php?title=Class_Reference/WP_Widget_Meta&action=edit&redlink=1)

### 󠀁[Scripts, External Libraries](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#scripts-external-libraries)󠁿

 * Update to jQuery Color 2.2.1
 * Update to Backbone 1.0.0
 * Update to jQuery UI 1.10.3
 * Services_JSON 1.0.3
 * Iris 1.0.3
 * hoverIntent r7
 * MediaElement.js 2.11.1 (New)
 * getid3 1.9.7 (New)

### 󠀁[Deprecated](https://wordpress.org/documentation/wordpress-version/version-3-6/?output_format=md#deprecated)󠁿

 * Deprecate [wp_convert_bytes_to_hr()](https://codex.wordpress.org/Function_Reference/wp_convert_bytes_to_hr)
   in favor of [size_format()](https://codex.wordpress.org/Function_Reference/size_format)
 * Deprecate [get_user_id_from_string()](https://codex.wordpress.org/Function_Reference/get_user_id_from_string)
   in favor of [get_user_by()](https://codex.wordpress.org/Function_Reference/get_user_by)
   where `$field` is ’email’ or ‘login’
 * Deprecate [wpdb](https://codex.wordpress.org/Class_Reference/wpdb)::escape() 
   in favor of [wpdb::prepare()](https://codex.wordpress.org/Class_Reference/wpdb#Protect_Queries_Against_SQL_Injection_Attacks)
   or [esc_sql()](https://codex.wordpress.org/Function_Reference/esc_sql)

First published

January 13, 2019

Last updated