I've got a 5th gen PW (PW1) running 5.6.1.1.
I successfully (as far as I can tell) got Winterbreak to work.
Just found on https://github.com/KindleTweaks/KindleForge that I need to be above 5.6.1.1.
I'm pretty sure that means I'm SOL. Is there any other way forward?
