Recently Apple Released iOS 5 at WWDC 2011. Steve Jobs announced iOS 5. iOS 5 has Push Notification, Widget and Left to right flip options are available. iOS 5 is totally different from iOS 4.3.3 and it’s developed very advanced.
iOS 5 can jailbreak iPad 2,because iOS 4.3.3 didn’t support iPad 2 and iPad 2 users complained about that. So iPhone Dev Team, Chronic Dev Team as well as Geohot waiting fro iOS 5 and today it’s announced that means iPad 2 can get jailbreak with in 1-2 days.
iOS 5 also supports future release iPhone 4s/5 as per Rumor Report.

Features

• “Incredible for developers and customers.”
• 1500 new API’s
• 200 new features.
• Walking us through 10
• . Notifications.
• Pushed more than 100b push notifications so far.
• Scaled beautifully”
• Better UI incoming.
• Current notifications interrupt you.
• Also, nonsensical in the lock screen.
• When you unlock, the list isn’t persistent if you have a ton of notifications.
• New solution: Notification Center
• Single place which combines all notifications.
• Can get to it anytime from anywhere by swiping down from the top.
• UI looks rad, crowd clapping.
• Even shows stocks and weather.
• Lock screen improved, much more information shown.