Pangu 1.2.0 was released, which adds several bug fixes and patches. But best of all, it now includes AFC2 (although it can be a security concern). Here is the official change log:

1. Fix boot loop bug for some iPhone4/4s.

2. Fix sandbox log issue.

3. afc2 is included now.

4. Add patch for task_for_pid.

5. Add notification if jailbreak fail.

Source: Pangu Jailbreak Tool(