Apple released the latest version of
iOS (5.1.1) on 5/7, and it is pretty tame compared to previous releases. Mainly designed to fix bugs, there are five major corrections that take place (see below.) In addition, there are some security enhancements to safari and the web kit which can be
read about here.
iOS 5.1.1 - This update contains improvements and bug fixes, including:
• Improves reliability of using HDR option for photos taken using the Lock Screen shortcut
• Addresses bugs that could prevent the new iPad from switching between 2G and 3G networks
• Fixes bugs that affected AirPlay video playback in some circumstances
• Improved reliability for syncing Safari bookmarks and Reading List
• Fixes an issue where 'Unable to purchase' alert could be displayed after successful purchase