iOSApple has announced a new iOS 4.3 for their iPhone, iPad and iPod touch, that includes Personal Hotspot, which is Apple’s version of Wi-Fi tethering as several new capabilities for AirPlay and Safari use.Among the new features in iOS is Home Sharing, which lets users access their iTunes collections on their Macs or PCs from an Apple device. They have also improved the Safari browser which is based on Apple’s new Nitro JavaScript engine.

The core upgrades are as follows:

This update contains new features and improvements, including the following:
Personal Hotspot
Share iPhone 4 cellular data connection with up to 5 devices (combination of up to 3 Wi-Fi, 3 Bluetooth, and 1 USB)
iTunes Home Sharing
Play music, movies and TV shows from a shared iTunes library on a Mac or PC (requires iTunes 10.2)
New AirPlay features
Play videos from the Photos app including the Camera Roll album, iTunes previews, enabled third-party apps and websites on Apple TV
Play slideshows from Photos on Apple TV using transitions available on Apple TV
Faster Safari performance with Apple Nitro JavaScript engine
HD video out using the Apple Digital AV Adapter

View 720p HD videos from Videos app, iPod app, Photos, YouTube, Safari, Keynote, and enabled third-party apps on an HDMI display
Ping features
Push notifications for comments and follow requests
Post and Like songs directly from the Now Playing screen
Parental controls
New Settings
Messages setting for number of times to repeat an alert
iPad side switch setting to lock screen rotation or mute audio notifications and sound effects
Single tap conference call dialing with a pause to send a passcode
Bug fixes
Requires iPhone 4 with tethering data plan
Requires Apple TV (2nd generation) running software version 4.2 or later
iPhone 4, iPad, iPod touch (4th generation)

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