Changelog > Scope: this covers the Olympus theme **and** the bundled Crumina/Unyson framework > extensions that ship with it (sign-form, post-reaction, ajax-blog, extended-search, > post-share, stunning-header, contact-form). Items marked _(framework)_ live in the > bundled Unyson extensions. ## [4.8.0] - 2026-06-03 A large security, performance, and modernization release. The theme now targets modern PHP/WordPress, moves its AJAX surface to a namespaced REST API, migrates key UI to the WordPress Interactivity API, and trims hundreds of KB of JavaScript from every page. ### ⚠️ Requirements / breaking changes - **Minimum platform raised to PHP 8.1+ and WordPress 6.9+** (previously PHP 5.6 / WP 5.7). Verified compatible across PHP 8.1–8.4....
