v1.23.1

🐛 Fixed

• Blog posts: slug duplicate validation now shows a validation error instead of a 500 error (#258)
• CMS: deleting a block now requires confirmation to prevent accidental removals (#254)
• README: restore community plugin table for admin panel parser

📝 Documentation

• README: rewrite with current features, fix test count (1,266), remove obsolete roadmap and duplicate install instructions