It is being reported by Boy Genius Report that iOS 4.3.1 will arrive within "one to two weeks", the minor update will reportedly bring several bug fixes and improvements. iOS 4.3 was released on March 9, 2011.
According to BGR iOS 4.3.1 will include the following changes:
- 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
- Fixed iPad 2 jailbreak vulneratbility [sic]