iOS 10 jailbreak is not that unpredictable. Here are the pieces of evidences that iOS 10 Pangu jailbreak will be released.
iOS 10 Jailbreak Pangu Status: Will The Hacking Team Ever Release The Crack?
In the jailbreaking world, everything moves dynamically. Just like Apple surprises users by rolling out security patches - Pangu could be waiting for the stable iOS 10.2 version before releasing any iOS 10 jailbreak to public.
It is understandable that brand new features in iOS 10.2 will cause the jailbreak to be less effective. Aside from the new sets of emojis and TV App addition, BGR has learned that iOS 10.2 brings more improvements and patches for security vulnerabilities. With that being the case, Pangu is smart enough to hold the tool until iOS 10.2 is stable.
A few sources claim that iOS 10 may not be 'breakable' due to the layers of security systems. However, Wired previously reported that there were many issues happening in iOS 10 relating to the encryption of iPhone backups. It has even claimed that the security problem has provided an easy access for hackers to infiltrate the software.
This could also mean that the iOS 10 jailbreaking future is bright enough, as hackers should have an easy access to crack iOS 10. Pangu may already have the jailbreaking tool in hand at the moment.
iOS 10 Jailbreak: Pangu is Looking for More Developers to Point at Security Holes on iOS 10.2?
25PP has been speculated as Pangu's jailbreaking partner, according to Forbes. The team is rumored to assist Pangu in pointing at the security holes on iOS 10.2 and Pangu could be using the data to develop their iOS 10 jailbreaking tool.
Anything can happen and there may be more delays on the crack release date but if rumors are to be believed, then the community can expect iOS 10 jailbreak coming soon.