Myllo の投稿を引用：

Any word on when we might get to play with Custom GM mode? I understand it's probably a huge understand taking, and we appreciate you guys even doing this!

You guys thinking sometime this summer?

Hey Myllo, sorry for the delayed response, I was away all of last week!
Hm, by custom GM mode you mean the build-your-own-GM-Guide, like crafting your own stuff using the GMG toolkit we have built into our adventures, correct?

We know everyone's been clamoring for it, and it's something we really want to do, but yes, it's a fairly huge undertaking and we're working hard on a few pieces we really want to get out the door first (including mobile launch and our next adventure). Unlikely to be summer, but hopefully not too long after that.