Playground case file

Research Browser Playground

Unsaved Playground
Current document Case WP-2041

Reproduction brief

Block editor regression isolated in browser WordPress.

Runtime
WordPress latest, PHP 8.3
Access
Logged in as admin
Network
Allowed
Storage
Temporary tab memory
  1. 1 LaunchGutenberg branch queued
  2. 2 PersistChoose browser or local directory
  3. 3 IdentifySaved entry gets rename/delete controls
  4. 4 InspectFiles, Blueprint, database, logs

Source clause

Launch or import route

Gutenberg PR or branch

Loads Gutenberg from a pull request URL, PR number, or branch.

Preparing WordPress... result opens at /hello-from-playground/ as admin.

Persistence clause

Save destination

Temporary until saved
Browser storage selected3028 / 3751 files

Result: saved entry appears below with rename and delete actions.

Saved Playgrounds

Register of browser and local case files

Identity Storage State Actions
Unsaved PlaygroundNot saved to browser storage
Temporary tab memory Lost on refresh or close
Research Browser PlaygroundCreated May 21, 2026
Saved in this browser Addressable at /research-browser-playground/
Local Theme Lab/Users/me/Sites/theme-lab
Local directory Reloads from folder
Delete removes the saved browser entry. Export or download before deleting a reproduction.

Site Manager document

Inline settings, files, Blueprint, database, and logs

Unsaved reset: Apply Settings & Reset Playground clears the current temporary site. Stored Playgrounds use Save & Reload with limited settings.
No settings applied yet.
/wordpress/wp-config.phpeditable
<?php define('CONCATENATE_SCRIPTS', false);
define('DB_NAME', 'database_name_here');
define('DB_USER', 'username_here');
define('DB_PASSWORD', 'password_here');
define('DB_HOST', 'localhost');
define('DB_CHARSET', 'utf8mb4');
/blueprint.jsonready
{
  "$schema": "https://playground.wordpress.net/blueprint-schema.json",
  "login": true,
  "landingPage": "/hello-from-playground/",
  "preferredVersions": {
    "php": "8.3",
    "wp": "latest"
  },
  "features": { "networking": true }
}
Database management is an early access feature

WordPress Playground emulates MySQL using SQLite. Database tools are still improving.

Database driver
MySQL emulation backed by SQLite
SQLite database path
/wordpress/wp-content/database/.ht.sqlite
Size
452 KB
Playground
No problems so far.
WordPress
[notice] admin logged in
[info] landing page served
PHP
No PHP errors recorded.

Blueprint gallery appendix

Search, filter, inspect, and run catalog entries

Portability and replacement

Export, download, import over current site

Additional actions
Export to GitHub

Send this Playground content to a GitHub repository after account connection.

Download as .zip

Package files and database as a Playground zip for handoff or later import.

Import .zip over current

Choosing a zip replaces the current files and database. Save or export first.

No handoff action has run.