So, will the people who bought the Steam Special Edition version also get the promised extra content soon?
Below is a quoted answer from the FAQ section for Dreamfall Chapters.
Q: I have bought Dreamfall Chapters Special Edition which included extra content/DLC. Where can I access this extra content?
A: If you bought the Special Edition through Steam, you will receive the extra content automatically once it is available. You might have to restart Steam and change the Updates settings to "Always keep this game up to date" in order for the download to start.
You can find the downloads by right-clicking on Dreamfall Chapters in your Library, select Properties, select the tab Local Files and clicking on Browse Local Files.
Special Edition Includes:
Reborn: The Art of Dreamfall Chapters Book One — a digital art book featuring concept art and illustrations from the first episode of Dreamfall Chapters
Journeys Birth — two short stories in PDF and ebook formats, set in The Longest Journey universe and leading up to the events in Dreamfall Chapters
Digital soundtrack featuring music from Dreamfall Chapters Book One in FLAC and MP3 format (available November 1st)
Digital Europolis tourist map! Sponsored by Niyom Media and presented by Crowboy, everyone’s favourite crow cowboy
7 HD wallpapers
5 digital avatars featuring characters from Dreamfall Chapters