What's new

Version 9.3.0 adds Smart Combine / Optimized Bundling, Cloudflare Mode Switcher integration, configurable responsive image widths, and CDN support for JSON scripts.

This release also improves Optimize CSS Delivery, Reduce Unused CSS/JavaScript, dynamic loading, Optimize Image batching and cancellation, Page Cache processing, URI handling, and administrator messaging.

Several bugs were fixed, including issues with script exclusions, Smart Combine configuration, responsive image CSS, page cache toggling, backend AJAX toggles, installing Free over Pro, invalid XPath expressions in critical CSS, and automatically detected LCP images retaining lazy loading.

Changelog

New features

• Add CDN support for JSON scripts.
• Add Cloudflare Mode Switcher integration.
• Add Smart Combine / Optimized Bundling feature.
• Add settings to configure responsive image widths and crop width defaults.

Changes

• Improve Cloudflare verification and cache adapter error messaging in the administrator.
• Improve Optimize CSS Delivery with more robust dynamic selector capture, pseudo-element support in critical CSS, and reduced duplicate caching.
• Improve Optimize Image batching, retry diagnostics, and cancellation when websocket connections close.
• Improve Page Cache architecture, recache processing, and remove page cache AJAX requests from the critical render path.
• Improve Reduce Unused CSS/JavaScript output to better conform with HTML validation.
• Improve URI processing and CDN handling with a revised URI transformation pipeline.
• Improve dynamic CSS/JavaScript loading to reduce reflows and better handle elements added after page load.

Bug fixes

• [HIGH] Harden SystemUri validation against malicious HTTP_HOST values.
• [LOW] Escape page URLs on the Page Cache list page.
• [LOW] Fix backend AJAX toggles blocked by Joomla security protocols.
• [LOW] Fix incorrect component reference in access.xml.
• [LOW] Fix installation edge case when installing Free over Pro.
• [LOW] Remove loading="lazy" from automatically detected LCP images.
• [MEDIUM] Fix JavaScript Configure Helper compatibility with Smart Combine.
• [MEDIUM] Fix broken page caching and incorrect Mode Switcher page cache toggling.
• [MEDIUM] Fix excluded CSS not being added to the page when Optimize CSS Delivery is enabled.
• [MEDIUM] Fix invalid XPath expression generated from non-standard pseudo-classes in critical CSS extraction.
• [MEDIUM] Fix responsive image CSS rules being modified when no responsive images exist.
• [MEDIUM] Fix scripts and sensitive scripts not being excluded correctly.