Don't Starve Together escapes Steam Early Access on April 21

[PCGamesN]

[url]http://www.pcgamesn.com/dont-starve-together/dont-starve-together-escapes-steam-early-access-on-april-21[/url]

[Solo Wing]

Kinda hoping this will later include the DLC instead of just vanilla. Co-op shipwrecked would be amazing.

Also will the multiplayer be included in the base game or does it have to be bought separately? I can't seem to find whether or not it is.