2. By Hannes Papenberg

3. Joomla! Release Manager

5. All extensions need to update their language files

6. All extensions need to update their XML files

7. Extensions dependent on the old access system need to update

9. What do you need to change?

10. Quote all values in the INIs

11. Keys should only contain Aa-Zz & 0-9

12. Quotes are escaped with „_QQ_“

14. What do you need to change?

15. Replace all <params> with <fields>

16. Replace all <param> with <field>

17. Use <fieldset>

19. What do you need to change?

20. Change your queries from 'access < '.$gid to 'access IN ('.implode(',',$user->authorisedLevels()).')'

21. Implement access.xml and $user->authorise()

23. Use JDatabaseQuery

24. Change your component entry file

25. Use JCategories for your category system

26. Move your assets to the /media folder

27. Create semantic, table-less output

29. Provides easy way to create and extend forms

30. Good example: Backend of com_weblinks

32. Database abstraction layer

33. Be one step ahead, be 1.7 compatible

35. $query->select('*');

36. $query->from('#__table');

37. $query->where('id = 1');

38. $database->setQuery($query);

40. Instead of require_once(JPATH_COMPONENT.'/controller.php') use jimport('joomla.application.component.controller') and $controller = JController::getInstance('Componentname')

42. Create a /helpers/categories.php file with the configuration options

44. $category = $categories->get($id);

45. $category->getChildren();

46. $category->getParent();

48. Use <media>-tag in install file

50. JHTML::stylesheet()

51. JHTML::script()