Custom BO3 zombies maps confirmed?

The mod section has a "zm_" option so I would say it is likely yes.

Nah it's more like -

'Have you done any modding/mapping for COD in the last 8 years?'

'No.'

'Here you go.'

Fair comment. Without having released anything for a long I helped on a regular basis as queries always find me - When it comes to the alpha group, Mappers United has been a site where several Treyarch / IW devs have been posting for a long time and of course many of these Devs are from the same community we were all in. There was however a limited number of places and so yeah, we couldn't invite everyone. But fear not, we are testing a lot and progressing very well. Mods are in our minds as much as Radiant and soon we should be able to test more on that.

I'll leave you with this, not ground-breaking but Smart Coding is now included via a SublimeText Package: