Jay Freeman, the creator and maintainer of the alternative App Store for jailbroken devices, has updated Cydia Substrate (formerly Mobile Substrate) to version 0.9.5000. The recently released Evasi0n7 jailbreak managed to take everyone by surprise, including Freeman himself, but today’s news means that the final piece of the jailbreak puzzle is in place, leaving developers free to update their packages and extensions for Apple’s latest 64-bit devices such as the iPhone 5s and iPad Air.

Having problem with jailbreak tweaks on iOS 7 crashing and not working after a reboot or a fresh install? Here’s a workaround fix for Mobile Substrate which will temporarily get your tweaks running until official fix is rolled out on Cydia.

The following step by step guide will help you fix Mobile Substrate issues in Cydia after jailbreaking iPhone, iPad or iPod touch on iOS 4.3.