Fixes for the long reboot issue and broken weather.app issues are now available on Cydia as an upgrade to the evasi0n 6.0-6.1 Untether and UIKit Tools. If you recently jailbroke your iOS device please launch Cydia and install the upgrades.
The evasi0n 6.0-6.1 Untether is now at version 0.2-3 and UIKit Tools is at version
1.1.6 updated to 1.1.7 to fix some issues with users who have AppSync installed.
Now there really should be no bugs in the iOS 6.x untethered jailbreak. If you see any issues please report them. Enjoy your jailbroken iOS devices!!