Title: 2025 – WordPress Developer Blog --- * [Showcase](https://wordpress.org/showcase/) * [Plugins](https://wordpress.org/plugins/) * [Themes](https://wordpress.org/themes/) * [Hosting](https://wordpress.org/hosting/) * [News](https://wordpress.org/news/) - [Learn WordPress](https://learn.wordpress.org/) - [Documentation](https://wordpress.org/documentation/) - [Education](https://wordpress.org/education/) - [Forums](https://wordpress.org/support/forums/) - [Developers](https://developer.wordpress.org/) - [Blocks](https://wordpress.org/blocks/) - [Patterns](https://wordpress.org/patterns/) - [Photos](https://wordpress.org/photos/) - [Openverse ︎](https://openverse.org/) - [WordPress.tv ︎](https://wordpress.tv/) * - [About WordPress](https://wordpress.org/about/) - [Make WordPress](https://make.wordpress.org/) - [Events](https://events.wordpress.org/) - [Five for the Future](https://wordpress.org/five-for-the-future/) - [Enterprise](https://wordpress.org/enterprise/) - [Gutenberg ︎](https://wordpress.org/gutenberg/) - [Job Board ︎](https://jobs.wordpress.net/) * [Swag ︎](https://mercantile.wordpress.org/) * [Get WordPress](https://wordpress.org/download/) Search in WordPress.org [ Get WordPress ](https://wordpress.org/download/) [WordPress Developer Blog](https://developer.wordpress.org/news) Year: 2025 * [Snippets](https://developer.wordpress.org/news/snippets/) - [Blocks](https://developer.wordpress.org/news/category/blocks/) - [Concepts](https://developer.wordpress.org/news/category/concepts/) - [Common APIs](https://developer.wordpress.org/news/category/common-apis/) - [Design](https://developer.wordpress.org/news/category/design/) - [Playground](https://developer.wordpress.org/news/category/playground/) - [Plugins](https://developer.wordpress.org/news/category/plugins/) - [Themes](https://developer.wordpress.org/news/category/themes/) * - [About this site](https://developer.wordpress.org/news/about/) - [Updates](https://developer.wordpress.org/news/category/updates/) - [How to contribute](https://developer.wordpress.org/news/how-to-contribute/) - [Tips and guidelines](https://developer.wordpress.org/news/tips-and-guidelines-for-writers/) * [Subscribe](https://developer.wordpress.org/news/subscribe/) * [Developer Resources](https://developer.wordpress.org/) * [Snippets](https://developer.wordpress.org/news/snippets/) - [Blocks](https://developer.wordpress.org/news/category/blocks/) - [Concepts](https://developer.wordpress.org/news/category/concepts/) - [Common APIs](https://developer.wordpress.org/news/category/common-apis/) - [Design](https://developer.wordpress.org/news/category/design/) - [Playground](https://developer.wordpress.org/news/category/playground/) - [Plugins](https://developer.wordpress.org/news/category/plugins/) - [Themes](https://developer.wordpress.org/news/category/themes/) * - [About this site](https://developer.wordpress.org/news/about/) - [Updates](https://developer.wordpress.org/news/category/updates/) - [How to contribute](https://developer.wordpress.org/news/how-to-contribute/) - [Tips and guidelines](https://developer.wordpress.org/news/tips-and-guidelines-for-writers/) * [Subscribe](https://developer.wordpress.org/news/subscribe/) * [Developer Resources](https://developer.wordpress.org/) # Year: 2025 * ## 󠀁[Word Switcher: Extending Core Blocks with Interactivity](https://developer.wordpress.org/news/2025/12/word-switcher-extending-core-blocks-with-interactivity/)󠁿 * By [JuanMa Garrido](https://profiles.wordpress.org/juanmaguitar/) * December 19, 2025 * [Advanced](https://developer.wordpress.org/news/category/advanced/), [Blocks](https://developer.wordpress.org/news/category/blocks/) * Learn to build a smooth word-switching effect in WordPress by combining four key APIs: HTML API for markup transformation, Interactivity API for animations, Format API for editor controls, and JavaScript Modules for efficient code—all without external libraries. * ## 󠀁[How to add automated unit tests to your WordPress plugin](https://developer.wordpress.org/news/2025/12/how-to-add-automated-unit-tests-to-your-wordpress-plugin/)󠁿 * By [David Perez](https://profiles.wordpress.org/davidperez/) * December 16, 2025 * [Advanced](https://developer.wordpress.org/news/category/advanced/), [Plugins](https://developer.wordpress.org/news/category/plugins/), [Tools](https://developer.wordpress.org/news/category/tools/) * This tutorial shows WordPress plugin developers how to add automated unit testing from setup to GitHub integration. Learn to catch bugs before users do, prevent regressions in stable code, and build confidence across different WordPress versions and configurations. * ## 󠀁[What’s new for developers? (December 2025)](https://developer.wordpress.org/news/2025/12/whats-new-for-developers-december-2025/)󠁿 * By [Justin Tadlock](https://profiles.wordpress.org/greenshady/) * December 10, 2025 * [Blocks](https://developer.wordpress.org/news/category/blocks/), [Playground](https://developer.wordpress.org/news/category/playground/), [Plugins](https://developer.wordpress.org/news/category/plugins/), [Themes](https://developer.wordpress.org/news/category/themes/) * Celebrate the release of WordPress 6.9 “Gene”! Also explore new AI tools, block upgrades, and developer updates as we wrap up an exciting year in WordPress. * ## 󠀁[The importance of a good changelog](https://developer.wordpress.org/news/2025/11/the-importance-of-a-good-changelog/)󠁿 * By [Anne-Mieke Bovelett](https://profiles.wordpress.org/annebovelett/) * November 18, 2025 * [Advanced](https://developer.wordpress.org/news/category/advanced/) * A practical guide on writing changelogs that build trust, reduce confusion, and show professionalism, helping you and your users stay confidently informed. * ## 󠀁[Introducing the WordPress Abilities API](https://developer.wordpress.org/news/2025/11/introducing-the-wordpress-abilities-api/)󠁿 * By [Jonathan Bossenger](https://profiles.wordpress.org/psykro/) * November 14, 2025 * [Common APIs](https://developer.wordpress.org/news/category/common-apis/), [Plugins](https://developer.wordpress.org/news/category/plugins/), [Themes](https://developer.wordpress.org/news/category/themes/), [Updates](https://developer.wordpress.org/news/category/updates/) * WordPress 6.9 introduces the Abilities API. Learn what this new Ability will unlock for developers, and how to use it in your plugins and themes now. * ## 󠀁[What’s new for developers? (November 2025)](https://developer.wordpress.org/news/2025/11/whats-new-for-developers-november-2025/)󠁿 * By [Birgit Pauli-Haack](https://profiles.wordpress.org/bph/) * November 10, 2025 * [AI](https://developer.wordpress.org/news/category/ai/), [Playground](https://developer.wordpress.org/news/category/playground/), [Plugins](https://developer.wordpress.org/news/category/plugins/), [Themes](https://developer.wordpress.org/news/category/themes/) * Learn more about WordPress 6.9, updates from Gutenberg 21.9 and 22.0, and the Playground and AI teams. * ## 󠀁[How WordPress 6.9 gives forms a theme.json makeover](https://developer.wordpress.org/news/2025/11/how-wordpress-6-9-gives-forms-a-theme-json-makeover/)󠁿 * By [Justin Tadlock](https://profiles.wordpress.org/greenshady/) * November 6, 2025 * [Themes](https://developer.wordpress.org/news/category/themes/) * WordPress 6.9 introduces new form elements support via theme.json. In this walkthrough, learn how to use them and when to fall back to CSS. * ## 󠀁[Styling accordions in WordPress 6.9](https://developer.wordpress.org/news/2025/10/styling-accordions-in-wordpress-6-9/)󠁿 * By [Justin Tadlock](https://profiles.wordpress.org/greenshady/) * October 24, 2025 * [Themes](https://developer.wordpress.org/news/category/themes/) * WordPress 6.9 is set to ship an Accordion block. This guide walks you through adding custom styles and patterns for it. * ## 󠀁[What’s new for developers? (October 2025)](https://developer.wordpress.org/news/2025/10/whats-new-for-developers-october-2025/)󠁿 * By [JuanMa Garrido](https://profiles.wordpress.org/juanmaguitar/) * October 10, 2025 * [Playground](https://developer.wordpress.org/news/category/playground/), [Plugins](https://developer.wordpress.org/news/category/plugins/), [Themes](https://developer.wordpress.org/news/category/themes/), [Tools](https://developer.wordpress.org/news/category/tools/), [Updates](https://developer.wordpress.org/news/category/updates/) * 21.6, 21.7, and 21.8 Gutenberg releases introduce features that expand WordPress capabilities for developers. The Command Palette now extends across the admin, the experimental Terms Query block simplifies taxonomy layouts, and Block Visibility controls enable conditional display. Notes (formerly Block Comments) mature for team collaboration, while content-only editing protects design integrity in client handoffs. WordPress… * ## 󠀁[Border radius size presets in WordPress 6.9](https://developer.wordpress.org/news/2025/09/border-radius-size-presets-in-wordpress-6-9/)󠁿 * By [Justin Tadlock](https://profiles.wordpress.org/greenshady/) * September 29, 2025 * [Themes](https://developer.wordpress.org/news/category/themes/) * A step-by-step guide on registering and applying border radius size presets coming in the WordPress 6.9 release. 1 [2](https://developer.wordpress.org/news/2025/page/2/?output_format=md) [3](https://developer.wordpress.org/news/2025/page/3/?output_format=md) [Next Page](https://developer.wordpress.org/news/2025/page/2/?output_format=md) ## Have an idea for a new post? ### 󠀁[Learn how to contribute](https://developer.wordpress.org/news/how-to-contribute/)󠁿 Share your knowledge with fellow WordPress developers. Search ### 󠀁[Review tips and guidelines](https://developer.wordpress.org/news/tips-and-guidelines-for-writers/)󠁿 Everything you need to know about writing for the Blog. ## Subscribe to the Blog Email Address Join 1,776 other subscribers * [About](https://wordpress.org/about/) * [News](https://wordpress.org/news/) * [Hosting](https://wordpress.org/hosting/) * [Privacy](https://wordpress.org/about/privacy/) * [Showcase](https://wordpress.org/showcase/) * [Themes](https://wordpress.org/themes/) * [Plugins](https://wordpress.org/plugins/) * [Patterns](https://wordpress.org/patterns/) * [Learn](https://learn.wordpress.org/) * [Documentation](https://wordpress.org/documentation/) * [Developers](https://developer.wordpress.org/) * [WordPress.tv ](https://wordpress.tv/) * [Get Involved](https://make.wordpress.org/) * [Events](https://events.wordpress.org/) * [Donate ](https://wordpressfoundation.org/donate/) * [Swag ](https://mercantile.wordpress.org/) * [WordPress.com ](https://wordpress.com/?ref=wporg-footer) * [Matt ](https://ma.tt/) * [bbPress ](https://bbpress.org/) * [BuddyPress ](https://buddypress.org/) The WordPress® trademark is the intellectual property of the WordPress Foundation. * [Visit our X (formerly Twitter) account](https://www.x.com/WordPress) * [Visit our Bluesky account](https://bsky.app/profile/wordpress.org) * [Visit our Mastodon account](https://mastodon.world/@WordPress) * [Visit our Threads account](https://www.threads.net/@wordpress) * [Visit our Facebook page](https://www.facebook.com/WordPress/) * [Visit our Instagram account](https://www.instagram.com/wordpress/) * [Visit our LinkedIn account](https://www.linkedin.com/company/wordpress) * [Visit our TikTok account](https://www.tiktok.com/@wordpress) * [Visit our YouTube channel](https://www.youtube.com/wordpress) * [Visit our Tumblr account](https://wordpress.tumblr.com/)