6.8.2. Updating add-on products for Plone 4

This is a list of the most common updates that need to be applied by product authors to ensure that their products work on Plone 4.

  1. Detecting Plone 4
  2. No more global definitions in templates
  3. The action icons tool (portal_actionicons) has been deprecated
  4. No more Zope 2 interfaces
  5. Miscellaneous import changes
  6. AdvancedQuery has been removed from Plone core
  7. Validators
  8. Manual calls to translate
  9. Use plone.app.blob-based BLOB storage
  10. Add views for content types
  11. 'MailHost.secureSend' is now deprecated; use 'send' instead
  12. Portlets Generic Setup syntax changes
  13. Updating Plone 3 themes for Plone 4
  14. New users and groups functionality
  15. Make sure your templates are valid XML
  16. document_byline and some other macros are now viewlets
  17. No longer bin/instance test - use zc.recipe.testrunner
  18. Vocabulary Directive now replaced by Utilities
  19. Folder implementation changes
  20. Empty /Control_Panel/Products using Plone 4

All content on one page (useful for printing, presentation mode etc.)