I'm crossing my fingers for a ptach today that fixes significant bugs without causing new problems. However I don't expect any editor(s) before next year.
Speaking from experience; many software companies would have a policy against doing releases on a Friday as there wouldn't usually be staff on hand at the weekend if something went horribly wrong. As for the development tools; it'll probably be 2018 before we see those.
Indeed, don't release things on a Friday. With a bit of bad luck you're working on a Friday evening and with a bit more bad luck, everyone's got their weekend ruined.
Hey, just look at TF2s Jungle Inferno update. Release it on a Friday and it goes completely mad, and people will need to be at work over the weekend to get things running smooth. In its current state...its not very smooth.