Coolstar has released Electra 1.0.4 iOS 11 jailbreak to fix XPC code issue, which was affecting some users.
Here's the complete changelog of Electra 1.0.4 iOS 11 Jailbreak:
1.0.4:
Remove all XPC code that could possibly have been problematic ever since beta 11
Replace TCP, UDP and XPC with MIG (thanks Psychotea from the Meridian team)
Recommended to also update Tweak Injector to 1.0.4 from our repo to get safe mode in system daemons as well
You could download on Electra website.
How to Jailbreak iOS 11- iOS 11.1.2 Using 3uTools?
Hopefully it's another step towards a more stable jailbreak.