Related - WordPress recently released WordPress Playground: https://playground.wordpress.net/ https://playground.wordpress.net/ along with a wp-now command-line

Related - WordPress recently released WordPress Playground: https://playground.wordpress.net/ https://playground.wordpress.net/ along with a wp-now command-line tool: https://developer.wordpress.com/2023/05/23/wp-now-launch-a-local-environment-in-seconds https://developer.wordpress.com/2023/05/23/wp-now-launch-a-l... These utilize WebAssembly (php-wasm) and an SQLite database backend to run a whole WordPress instance in the browser or a local Node.js instance.