System Requirements 

To ensure the CKEditor Pack for TYPO3 works smoothly and without compatibility issues, your server environment must meet the following minimum requirements:

• PHP Version: 8.1.0 - 8.5.99
• TYPO3 version: v12.4.25 - v14.3.x
• Visual Editor (optional): TYPO3 v13.0 or newer with the visual_editor system extension for page-based inline editing support