The Customize component covers all aspects of the Customizer, WordPress’ framework for live-previewing any change to your site. Tickets in this component cover issues including bugs in the Customizer (wp-admin/customize.php), PHP and JS API improvements, UI/UX changes, new features, and improvements to the Customizer internals. For more information about the Customizer API, please see its official documentation in the Theme Developer Handbook.
The Customizer is actively developed, with work happening on core Trac, various GitHub repos, and in the #core-customize channel on WordPress Slack. Weekly meetings for the 4.9 cycle are held on Mondays at 17:00UTC. New contributors are always welcome, whether you bring code, design help, testing, or anything else. Below is a summary of our larger projects past and future projects, which were all accompanied by countless smaller changes.
Projects for Future Releases
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A new experience for themes in the customizer – #37661 – ready for trunk commit
- Expose UI for drafts, scheduled changes, and revisions of customize changesets
- Improve loading of the Customizer from the front-end (on hold, see #28602, #28661)
- Introduce inline editing/inline controls within the preview
- Explore content-editing/front-end-editing integration (on hold, pending Gutenberg)
- Improve performance wherever possible (ongoing goal)
For more details, see the proposed roadmap.
Feature Plugins
These plugins container implement features that may be incorporated into core in the future, as was done previously with Widget Customizer and Menu Customizer:
Completed Milestone Highlights
- 4.8
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4.7
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4.6
- 4.5
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4.4
- 4.3
- 4.2
- 4.1
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4.0
- 3.9
- 3.4
- Customizer Introduced in Core
Recent posts on the make/core blog
View all posts tagged customize.
Recent posts on the make/test blog
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Customizer: Browse, Install, Preview Themes on Mobile (October 1, 2016)
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Customizer, Preview: Visual survey of customizer device preview (February 24, 2016)
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Customize: Site logo and icon, 33755.5.diff, iPhone 6+ (February 19, 2016)
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Customize: Site logo, 33755.3.diff, Macnchrome, iPhone 6+ (February 18, 2016)
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Customize: preview site responsiveness, Macnchrome, iPad Air, iPhone 6+ (September 2, 2015)
View all posts tagged customize.
204 open tickets in the Customize component
204 open tickets. Last 7 days: +1 ticket
18 tickets that have no replies
View list on Trac
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#38957 Customize Menus: Menu locations should be able to opt-out of menu item types that can be added to associated menus
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#39913 Customize: Disable auto-trashing of published changesets in anticipation of revisions
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#40044 A little strange logic in get_header_video_url() function
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#40831 Customize: Further improve JS inline documentation docs
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#41992 Multiple items in WP_Customize_Media_Control
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#42163 Customize: Add support for previewing requests made via the Fetch API javascript
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#42191 Customize: Selectively merge settings from autosave revisions
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#42272 Customize: Use client-side templates for rendering base controls
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#42341 Add sandbox attribute to Customizer preview iframe to prevent top-navigation
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#42364 Customize: Remove deprecated nav menu classes
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#42544 Background Image Cover on iOS not correctly displayed template
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#42635 Customize: Add default value for customizeAction param for sections
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#42806 Allow installing themes in the Customizer on multisite multisite
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#42872 Customize: Improve display of theme tag filters on mobile
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#43168 Customizer: Iris color picker handle above section title ui
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#43464 Search Options in Customizer
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#43625 When there are invalid items in a menu, the customizer enters an infinite loop of refreshing when trying to render wp_nav_menu. javascript administration
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#43858 Website-Icon with filename "favicon.ico.png" causes problems
20 tickets slated for 5.0
View list in Trac
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#33085 Customizer: controls description inside labels are not real labels nor descriptions ui accessibility
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#36441 Customizer: when setting header image, site icon and logo, do not force the user to crop the image if cropping is not required
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#38168 custom-background class appear in body class attribute even if theme doesn't support it template
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#39099 Customize: Defer triggering selective refresh for all settings until after synced
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#39254 When in Customizer Preview, starter content posts are not displayed in the loop administration template
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#39461 default-preset option for custom background cannot be set by default
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#40020 Customizer fails to load in Safari due to X-Origin Header mismatch
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#40278 Customizer: Introduce theme uploading ui administration
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#40807 Starter content: Allow for setting a "parent" for pages (and other hierarchical CPTs)
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#40831 Customize: Further improve JS inline documentation docs
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#41271 Customizer sanitize_callback gets called multiple times on setting change performance
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#42163 Customize: Add support for previewing requests made via the Fetch API javascript
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#42272 Customize: Use client-side templates for rendering base controls
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#42329 Customizer: interacting with text fields in a "wide" widget shifts child panel position in Safari. ui javascript administration
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#42341 Add sandbox attribute to Customizer preview iframe to prevent top-navigation
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#42364 Customize: Remove deprecated nav menu classes
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#42558 Reduce the number of capability checks performed by the Customizer performance
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#42614 Customize: Changesets can still be previewed even after having been published
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#42635 Customize: Add default value for customizeAction param for sections
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#42644 Customize: Add rich text control for managing tagline and new footer credit theme support
204 open tickets
Open bugs: 102. View list on Trac
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