Well that was fast huh? iOS 4.3 released not even a month ago, and Boy Genius Report is already reporting that iOS 4.3.1 is already scheduled to launch in the next two weeks. The most important news here is that it may break/stop iPad 2 Jailbreak vulnerability.
Other fixes include: “Baseband updates for the 3GS and iPad (original). Fixed memory hang that results in memory corruption when reading large files from USIM filesystem. Fixed problem with NTLM authentication in apps and on websites. Fixed issue with the Springboard and 3rd party apps not recgonizing the gyroscope on the iPad 2.”
Small updates like this occur usually after a new iOS product launches such as the iPad 2. I wouldn’t expect any features until we get closer to the launch of iPhone 5. Speaking of which, what features would you like to see on iOS 5?