Apple has released the second beta version of iOS 4.1 (build 8B5091b) and iOS SDK 4.1 for developers of its iPhone Developer Program. Based on the release notes, it looks like Apple has fixed some bugs. iOS 4.1 Beta 2 is available for iPhone 4, iPhone 3GS, iPhone 3G and…

Link:
Apple Releases iOS 4.1 Beta 2 To Developers

In other news:

Apple Releases iOS 4.2 Beta 2 And iTunes 10.1 Beta To Developers [Updated]
Apple has released the second beta version of iOS 4.2 (build 8C5101c) and iOS SDK 4.2 to developers of iOS Dev Center. iOS 4.2 Beta 2 is available for iPhone, iPad and iPod Touch. Apple

Apple Releases iOS 5 Beta 3 To Developers [Updated]
Apple has just released the third beta version of iOS 5 (build 9A5259f) to developers of iOS Developer program. iOS 5 beta 3 is available for iPhone 4, iPhone 3GS, iPod Touch 4th generation, iPod

Apple Releases iOS 5 Beta 5 For iPhone, iPad, iPod Touch & Apple TV To Developers
Apple has just released the fifth beta version of iOS 5 (build 9A5288d) to developers of iOS Developer program. Apple usually released iOS Software update on a weekday, so today’s release caught us by surprise. iOS 5

Apple Releases iTunes 10.5 Beta 9 To Developers
Apple has seeded iTunes 10.5 beta 9 with iTunes Match to developers of iOS Developer program with less than 4 days to go for Apple’s iPhone 5 launch event, where it is also expected to announce

Apple Releases iPhone OS 4.0 Beta 3 To Developers; Then Pulls It
Apple had seeded developers of its iPhone Developer Program with the third beta version of iPhone OS 4 but seems to have pulled it after two hours. The second beta version of iPhone OS 4.0