I just noticed VE is not enabled in draft namespace in hewiki.
This seems to be a regression due to:
https://gerrit.wikimedia.org/r/#/c/296673/
This is since Draft namespace doesn't have canonical name and at least for hewiki it is defined only by its Hebrew name.
Possible solutions
- Revert the change for now
- Validate that all the changes from magical numbers to canonical names are correct / add the relevant canonical names