iOS 11 - iOS 11.0.3 Jailbreak
iOS 11 - iOS 11.0.3 Jailbreak is yet to confirm, and no proper jailbreak tool for iOS 11, iOS 11.0.x at the moment. But you can install iOS 11 Jailbreak apps(iOS 11, iOS 11.0.1, iOS 11.0.2 and iOS 11.0.3 jailbreak apps) without waiting for untethered jailbreak for iOS 11 - iOS 11.0.3.
Status of iOS 11 Jailbreak / iOS 11.0.1 - iOS 11.0.3 Jailbreak
We know your first question when iOS 11.0.1, iOS 11.0.2 and iOS 11.0.3 was released. Should I update to iOS 11.0.3? We have some suggestions for you.
As you already know, Keen Labs has successflly demonstrated a jailbreak tool for iOS 11 beta 2 and iOS 10.3.2. So that, we can believe that they will be working on a jailbreak tool for iOS 11.
Also there's a group of jailbreak tweak developers known in the jailbreak community, stated that they are working on jailbreak tool for iOS 11 - iOS 11.0.3 with the code name Tigris.
Should you update to iOS 11.0.3?
Jailbrak lovers follow a simple rule. Never update to a newer version until a jailbreak tool released for that iOS version. iOS 11.0.3 is a bug fix version, which means it contains several bug fixes for iOS 11 initial version. Jailbreak tools are based on these bugs. Jailbreak tool developers exploit these bugs to enable jailbreak. Therefore, it's better to stay in iOS 11 if you badly need a jailbreak for your iPhone or iPad.
iOS 11 beta 2 Jailbroken
It took only three weeks from the WWDC17 for the jailbreakers to jailbreak iOS 11. Both iOS 11 and iOS 10.3.2 Jailbreak has been demonstrated by "Liang Chen of Tencent Keen Lab" but there is a doubt of releasing it as a jailbreak tool to the public for downloading and jailbreaking their devices running iOS 11. The following photograph was taken at the security conference and originally shared by Min Zheng, who is a security engineer at Keen Labs.
Tigris iOS 11 Jailbreak
Before even pass a month after the release of iOS 11 beta 1, recognized tweak developer team in the Jailbreak community announced that they are working on a iOS 11 Jailbreak. Well known tweak developer Antique_Dev makes the announcement to the Jailbreak community stating that, they are using the code name Tigris for this Jailbreak. They are planning to develop the Tigris to work with all the 64 bit devices running iOS 11 and their target is to make this Jailbreak Semi Untethered. They will start Tigris from the scratch using the knowledge of C++ and Objective C. However, as Antique_Dev mentioned in their first announcement, release date of this Jailbreak is yet to confirm but they will release a stable solution for sure. Last Jailbreak we saw was Yalu Jailbreak which supports iOS 10.2.x Therefore, many users hope that this will work out for them so they can use iOS 11 with their jailbroken device.