Justin Tadlock (@greenshady) – WordPress user profile

Bio

I like WordPress. A lot.

My base of operations is my personal blog, which is where you’ll find a lot of neat stuff about WordPress.

Interests

WordPress

Contributions Sponsored

Automattic sponsors Justin Tadlock to contribute 40 hours per week to the following teams: Documentation, Support, and Themes.

Member Since: May 23rd, 2005
Location: Alabama
Website: justintadlock.com
GitHub: justintadlock
Job Title: Developer Relations Wrangler
Employer: Automattic
Find me on:

Contribution History

bbPress Contributor
BuddyPress Contributor
Core Contributor
Documentation Contributor
Plugin Developer
Test Contributor
Test Team
Theme Developer
Themes Team

Activity
Plugins
Themes
Courses
Favorites

Received props from @psykro in Slack:
Props to @greenshady and @bph for their assistance reviewing the https://developer.wordpress.org/news/2026/02/from-abilities-to-ai-agents-introducing-the-wordpress-mcp-adapter/!
3 days ago
Created issue #23 in the wptrainingteam/developer-showcase repository:
[Music Plugin] Needs for the CPTs and Taxonomies
1 week ago
Created issue #75032 in the WordPress/gutenberg repository:
Gutenberg 22.5 release checklist
1 week ago
Merged pull request #14 into wptrainingteam/developer-showcase:
Adds custom post types and taxonomies
1 week ago
Created issue #17 in the wptrainingteam/developer-showcase repository:
Use AI to create fictional bands
2 weeks ago
Created issue #16 in the wptrainingteam/developer-showcase repository:
Linting workflow
2 weeks ago
Created issue #15 in the wptrainingteam/developer-showcase repository:
Composer deploy workflow
2 weeks ago
Submitted pull request #14 to wptrainingteam/developer-showcase:
Adds custom post types and taxonomies
2 weeks ago
Received props from @bph in Slack:
Props to @areziaal and @greenshady for taking the time to review of https://developer.wordpress.org/news/2026/01/streamlining-block-theme-development-with-wordpress-playground-and-github/ on the…
2 weeks ago
Pull request #7 merged into wptrainingteam/developer-showcase:
Updates paths for `.gitignore`.
3 weeks ago
Submitted pull request #7 to wptrainingteam/developer-showcase:
Updates paths for `.gitignore`.
3 weeks ago
Created issue #440 in the WordPress/developer-blog-content repository:
What’s new for developers? (February 2026)
3 weeks ago
Closed issue #434 on the WordPress/developer-blog-content repository:
What’s new for developers? (January 2026)
3 weeks ago
Wrote a comment on the post Styling accordions in WordPress 6.9, on the site WordPress Developer Blog:
You can change the color of the UI via Users > Profile > Administration Color…
4 weeks ago
Wrote a new post, What’s new for developers? (January 2026), on the site WordPress Developer Blog:
Stay ahead in WordPress development with January’s Gutenberg 22.3 highlights, new Fonts screen, PHP-only blocks,…
4 weeks ago
Created issue #439 in the WordPress/developer-blog-content repository:
New PHPUnit assertion in WP 6.9 (`assertEqualHTML`) to compare HTML
1 month ago
Created issue #438 in the WordPress/developer-blog-content repository:
Using the supported attributes hook in WP 6.9 to make blocks bindable
1 month ago
Created issue #437 in the WordPress/developer-blog-content repository:
How to use DataForm to create plugin settings pages
1 month ago
Committed [3433816] to Plugins SVN:
Removes stray character from plugin name.
1 month ago
Committed [3433808] to Plugins SVN:
Version 1.0.0 of x3p0-media-data.
1 month ago
Received props from @juanmaguitar in Slack:
Props to @bph and @greenshady for reviewing the article and sharing their feedback. Thanks!
1 month ago
Received props from @davidperez in Slack:
Props to @milana_cap @bph @greenshady @juanmaguitar and @areziaal for helping me to make https://developer.wordpress.org/news/2025/12/how-to-add-automated-unit-tests-to-your-wordpress-plugin/ in…
2 months ago
Created issue #3 in the wptrainingteam/developer-showcase repository:
Create base design outline
2 months ago
Wrote a comment on the post Coding Standard Proposal: Allow the use of the PHP short echo tag, on the site Make WordPress Core:
Alternatively, I think if we were to remove this rule for Core, then it should…
2 months ago
Wrote a comment on the post Coding Standard Proposal: Allow the use of the PHP short echo tag, on the site Make WordPress Core:
It's not disabling a language feature. It's saying that the WordPress Core should follow a…
2 months ago
Created issue #434 in the WordPress/developer-blog-content repository:
What’s new for developers? (January 2026)
2 months ago
Closed issue #428 on the WordPress/developer-blog-content repository:
What's new for Developers (December 2025)
2 months ago
Gave props in Slack:
Props to @bph, @zieladam, @fellyph, @psykro, and @rodrigosprimo for contributing notes and @juanmaguitar and @welcher…
2 months ago
Wrote a new post, What’s new for developers? (December 2025), on the site WordPress Developer Blog:
Celebrate the release of WordPress 6.9 "Gene"! Also explore new AI tools, block upgrades, and…
2 months ago
Wrote a comment on the post Coding Standard Proposal: Allow the use of the PHP short echo tag, on the site Make WordPress Core:
While I personally prefer the short echo tag for templating, I'm not sure there's any…
2 months ago
Created issue #73455 in the WordPress/gutenberg repository:
Accordion panel min-width CSS causes overflow when adding theme.json padding
3 months ago
Created issue #73454 in the WordPress/gutenberg repository:
Accordion heading toggle CSS overrules theme.json CSS
3 months ago
Created issue #73442 in the WordPress/gutenberg repository:
Breadcrumbs: Consider using Posts Page title for post archives crumb
3 months ago
Created issue #73441 in the WordPress/gutenberg repository:
Breadcrumbs don't appear for posts page when set to a page
3 months ago
Closed issue #426 on the WordPress/developer-blog-content repository:
Snippet: FAQs accordion with structured data
3 months ago
Gave props in Slack:
Props to @bph and @juanmaguitar for feedback and review on the Developer Blog Snippet: https://developer.wordpress.org/news/snippets/schema-org-microdata-for-accordion-block-faqs/https://developer.wordpress.org/news/snippets/schema-org-microdata-for-accordion-block-faqs/.
3 months ago
Wrote a comment on the post Styling accordions in WordPress 6.9, on the site WordPress Developer Blog:
I've also published a snippet here on the Developer Blog for this: Schema.org microdata for…
3 months ago
Wrote a comment on the post How WordPress 6.9 gives forms a theme.json makeover, on the site WordPress Developer Blog:
As an addendum to what Birgit mentioned above, it's also about who contributes their time…
3 months ago
Wrote a comment on the post Nominations Call for the themes team representatives: 2026 Edition, on the site Make WordPress Themes:
I'd like to see us have a dedicated rep/role for theme handbook, primarily so that…
3 months ago
Received props from @bph in Slack:
Props to @greenshady @psykro and @welcher for reviewing and giving feedback on this month's https://developer.wordpress.org/news/2025/11/whats-new-for-developers-november-2025/
3 months ago
Committed [3392246] to Plugins SVN:
Version 4.0.0 of `x3p0-breadcrumbs`.
3 months ago
Closed issue #411 on the WordPress/developer-blog-content repository:
Styling inputs, textareas, and select dropdowns in WordPress 6.9
3 months ago
Gave props in Slack:
Props to @bph and @welcher for feedback and review on the Developer Blog post https://developer.wordpress.org/news/2025/11/how-wordpress-6-9-gives-forms-a-theme-json-makeover/.
3 months ago
Wrote a new post, How WordPress 6.9 gives forms a theme.json makeover, on the site WordPress Developer Blog:
WordPress 6.9 introduces new form elements support via theme.json. In this walkthrough, learn how to…
3 months ago
Wrote a comment on the post Styling accordions in WordPress 6.9, on the site WordPress Developer Blog:
You could also change the heading tag with the same filter. But I encourage you…
3 months ago
Wrote a comment on the post Styling accordions in WordPress 6.9, on the site WordPress Developer Blog:
For FAQs structured data, here's a Gist example of doing that. I'd probably just wrap…
3 months ago
Wrote a comment on the post Styling accordions in WordPress 6.9, on the site WordPress Developer Blog:
A button element is appropriate for an accessible accordion. I would not recommend changing it,…
4 months ago
Closed issue #410 on the WordPress/developer-blog-content repository:
Styling accordions in Gutenberg/WordPress
4 months ago
Gave props in Slack:
Props to @bph and @welcher for reviewing https://developer.wordpress.org/news/2025/10/styling-accordions-in-wordpress-6-9/ for the Developer Blog.
4 months ago
Wrote a new post, Styling accordions in WordPress 6.9, on the site WordPress Developer Blog:
WordPress 6.9 is set to ship an Accordion block. This guide walks you through adding…
4 months ago