4.0.0-alpha1

What's Changed

• DEP Dependencies for CMS 6 by @emteknetnz in #558
• API Set extension hook implementation visibility to protected by @emteknetnz in #571
• ENH Take advantage of auto-scaffolded form fields by @GuySartorelli in #581
• FIX Update CMS fields now that they're being scaffolded by @GuySartorelli in #589
• DEP Limit PHP support for CMS 6 by @GuySartorelli in #592
• API Standardise extension hooks by @GuySartorelli in #591
• API Replace Extension subclasses by @emteknetnz in #593
• API Remove GraphQL by @emteknetnz in #584
• API Deprecate API that will be removed by @GuySartorelli in #599
• DEP Use PHPUnit 11 by @emteknetnz in #598
• ENH Don't use deprecated method by @GuySartorelli in #601
• API Use new names for renamed classes by @GuySartorelli in #600
• DEP Increase minimum version of silverstripe/framework by @emteknetnz in #602
• API Update API to reflect changes to CLI interaction by @GuySartorelli in #597
• MNT Fix unit test by @GuySartorelli in #603
• API Update code to reflect changes in silverstripe/admin by @GuySartorelli in #606
• API Use new class_description configuration by @GuySartorelli in #610
• API Deprecate API that will be removed as a result of refactoring by @GuySartorelli in #613
• API Ensure themelist returns an array by @emteknetnz in #612
• API Make SubsiteXHRController a subclass of AdminController by @GuySartorelli in #611
• API Update code to reflect changes in silverstripe/cms by @GuySartorelli in #609
• MNT Update selector in behat to reflect changes in silverstripe/admin by @GuySartorelli in #616
• API Use updated FormField::validate() signature by @emteknetnz in #608
• API Explicity mark nullable parameters for PHP 8.4 by @emteknetnz in #617

Full Changelog: 3.3.0...4.0.0-alpha1