Boy Genius Report as receive a very reliable tip from one of it’s Apple sources that Apple will begin seeding iOS 4.3 third beta version to developers. Reports say if Apple do release it, then it will be the third beta to be release in three weeks.
The source stated that iOS 4.3 beta 3 will arrive today with the build number 8F5166b. Has pointed out by BGR, Apple is moving quickly to get the upgrade finish.
Update: The sources seems to be correct because Apple just recently started seeding the third beta of iOS to developers. It’s available in the iOS Dev Center with build number 8F5166b.