PCGamesN reports that Obsidian's new RPG will be published by Take-Two:

Obsidian's new RPG won't be out until at least Q2 2019, now published by Take-Two

Take-Two have launched a new publishing label that is partnered with a load of big name developers who have started independent studios, including Obsidian’s new RPG.
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Recently, Take-Two announced that all their upcoming games would feature microtransactions but it’s not clear whether that will include this new label. While microtransactions may work in some of these games, from the description of Project Wight, a Beowulf-inspired game where you play the monster, doesn’t seem like a natural fit for that kind of system.
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Thanks Farflame!