v.1.5.1

• pdf.js update to the version 2.14.34
• New features: Atto Editor as standard editor for PDFAnnotator and its new settings, pictures upload into comments and print them out using comments download menu
• PHP 8 Error fix
• Improvements for the pdf layout of downloaded comments
• Moodle Version 4.x compatibility
• and another bugs fixes
• Note: the master-branch is already deprecated. Now, we are using the main-branch as default branch for the future.