What missing in Facebook for iPhone?

• Push Notifications: Full supports for push notification is missing. However the good news is that Lead developer Joe Hewitt says full push support will be included in version 3.1.
• Hiding people from the News Feed: This option is not available in version 3.0
• Event Walls are not yet accessible: Although you can RSVP, you can’t write on event walls.
• Videos are not yet playable inside 3.0
• The app can only be used in Portrait mode: Currently the app supports portrait mode however Hewitt says Landscape mode is coming soon
• Application Integration: While application notifications are accessible, clicking them takes you into full browser mode inside the new Facebook app. Applications invitations are not accessible.