Plugin Compatibility Testing — a practical guide to WordPress plugin compatibility with clear examples you can reuse in real projects.
WordPress Plugin Development Series (78/95). Prefer one article? Read the complete WordPress plugin development tutorial.
Short description
Compatibility issues often come from CSS conflicts, jQuery assumptions, or aggressive global hooks.
Test matrix idea
WP latest + previous
PHP supported versions
WooCommerce on/off
Block theme + classic theme
Caching plugin enabled