can already tether the Gold Master seed released to developers today, reports MuscleNerd.
redsn0w can already tether JB 5.0GM (select beta7 IPSW for now though, til update)
auto-detection of the GM won’t work until the update..for now you have to keep pointing at the beta7
The Dev-Team will be posting an updated version of RedSn0w shortly with full support for the Gold Master seed.
You can download the latest version of RedSn0w from here.