Apple iOS 4.3 update is now available for download on Apple iPhone, iPad, and iPod touch. With updates like AirPlay Enhancements, new Nitro JavaScript engine powered Safari for faster web-browsing, iTunes Home Sharing, Personal Hotspot for iPhone 4 and customization of iPad Side Switch this new release also features various other improvements and bug fixes as posted next.

New features, improvements and bug-fixes included in iOS 4.3:

• Personal Hotspot*
- Share iPhone 4 mobile data connection with up to 5
devices (combination of up to 3 Wi-Fi, 3 Bluetooth,
and 1 USB)
• iTunes Home Sharing
- Play music, films 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 dialling with a pause to send
a passcode
• Bug fixes

Products compatible with this software update:
• iPhone 4 (GSM model)
• iPhone 3GS
• iPad
• iPod touch (4th generation)
• iPod touch (3rd generation)

*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)

For information on the security content of this update, please visit:
http://support.apple.com/kb/HT1222

Here's exactly how much performance boost the new update brings :

You can get the latest firmware download links from - http://ios.e-lite.org/ .

Benchmark images via : http://www.zdnet.com/