Enhancements

• Bump minimum WP versions and WP version tested up to. (1333)
• Improve message for WebP site health test. (1249)
• Remove 'Requires at least' and 'Requires PHP' from plugin readmes. (1334)
• Upgrade PHPStan to 1.11.6. (1325)

Bug Fixes

• Extend core's Autoloaded Options Site Health test if present (in WP 6.6). (1298)
• Generate phpunit-multisite.xml on the fly. (1327)

Enhancements

• Add install note after each PerfLab feature plugin in the plugin list table. (1265)
• Update plugins with new banners and icons. (1272)

Bug Fixes

• Fix Server-Timing compatibility with other plugins that do output buffering. (1260)
• Harden autoloaded-options site health test for incorrectly implemented external object cache plugins. (1238)

Enhancements

• Add progress indicator when activating a feature. (1190)
• Display plugin settings links in the features screen and fix responsive layout for mobile. (1208)
• Add plugin dependency support for activating performance features. (1184)
• Add support for AVIF image format in site health. (1177)
• Add server timing to REST API response. (1206)
• Bump minimum PHP requirement to 7.2. (1130)
• Refine logic in perflab_install_activate_plugin_callback() to rely only on validated slug. (1170)
• Improve overall code quality with stricter static analysis checks. (775)

Bug Fixes

• Avoid passing incomplete data to perflab_render_plugin_card() and show error when plugin directory API query fails. (1175)
• Do not show admin pointer on the Performance screen and dismiss the pointer when visited. (1147)
• Fix WordPress.DB.DirectDatabaseQuery.DirectQuery warning for Autoloaded Options Health Check. (1179)

Enhancements

• Add caching to the wordpress.org query to get plugin information. (1022)
• Add support for autoloading enhancements in WordPress 6.6 trunk to autoloaded options Site Health check. (1112)
• Bump minimum required WordPress version to 6.4. (1062)
• Enhance object-cache.php drop-in placement logic to support updating to a newer version of the file. (1047)
• Implement support for annotating certain plugins as experimental. (1111)
• Migrate Site Health checks from being modules to becoming part of the plugin core. (1042)
• Remove modules infrastructure and UI from the plugin. (1060)
• Support changing autoload value for largest autoloaded options in Site Health check. (1048)
• Use plugin slug for generator tag. (1103)

Documentation

• Update tested WordPress version to 6.5. (1027)

Features

• Infrastructure: Add standalone plugin version constants for auto-sizes and speculation-rules. (958)

Enhancements

• Infrastructure: Include standalone plugin slugs in generator tag. (949)

Bug Fixes

• Infrastructure: Sanitize metric name for Server-Timing header. (957)

Features

• Infrastructure: Introduce UI for managing Performance Lab standalone plugins. (864)

Enhancements

• Infrastructure: Add support for plugin live preview in the plugin directory. (890)
• Infrastructure: Allow module can-load.php callbacks to return a WP_Error with more information. (891)
• Infrastructure: Implement admin pointer to indicate to the user they need to migrate modules to their standalone plugins. (910)
• Infrastructure: Implement migration logic and UI from Performance Lab modules to their standalone plugins. (899)
• Infrastructure: Reset admin pointer dismissal for module migration when the user activates a module. (915)

Bug Fixes

• Infrastructure: Fix construction of translation strings in admin/plugins.php. (925)

Enhancements

• Images: Remove Fetchpriority module as the functionality is now available in WordPress core. (854)
• Infrastructure: Bump minimum required PHP version to 7.0 and minimum required WP version to 6.3. (851)

Documentation

• Infrastructure: Publish Dominant Color Images standalone plugin. (842)

Bug Fixes

• Infrastructure: Remove PHPStan config file from plugin directory. (816)

Documentation

• Infrastructure: Add standalone plugin assets. (815)

Features

• Infrastructure: Add output buffering checkbox to Server-Timing screen. (801)
• Infrastructure: Implement logic to measure specific hook execution time with Server-Timing controlled by a WP Admin screen. (784)

Enhancements

• Images: Fix incorrect function prefixes in Dominant Color Images. (789)
• Infrastructure: Add early exit clauses to files with procedural code. (790)
• Infrastructure: Allow disabling Server-Timing entirely using PERFLAB_DISABLE_SERVER_TIMING constant. (795)

Bug Fixes

• Images: Fix WebP handling when editing images based on WordPress 6.3 change. (796)
• Infrastructure: Fix errors detected by Plugin Checker. (788)

Enhancements

• Images: Check for fetchpriority feature being available in WordPress core before loading the module. (769)
• Database Optimization: Remove SQLite module. (764)
• Infrastructure: Bump tested up to version to 6.3. (772)