Actually, does anyone know if tool essence are in the CN version?
And if they are, when they are released there?
If it's been say 3+ month, then the gold stat on our tools could very well have been a "bug"

No, not in the way THEY imply it to be, but like this:
The CN server went through what we went through due to their decision to sell tool essence instead of having good stats for free.
By the time our 2.0 rolled around, they should already know they have plan to sell tool essence, and therefore PLANNED to have the bad stat to begin with so they can sell the tool essence in the future. But, and here is the "bug", they accidentally released the same-ish 2.0 that CN server got that included the all gold stats as opposed to adjust it as planned. And here we are.

So, anyone know about if/when tool essence was released in CN?