Proposed features for Django 1.1

Please list any proposed features for 1.1 below, along with links to relevent tickets, django-dev discussions, etc.

• ​ORM aggregation (see also ​this django-dev thread)
• model validation
• ​Manager.update_or_create (see also #3182)
• ​multiple database APIs
• ​better HTML output for form fields (see also ​django-html
• ​customizability of contrib.comments
• Cache queryset results
• Class-Based Generic Views