Gamerant reports that Dragon Age 4 is not confirmed but there is a project happening.
More information.BioWare Creative Director Says Dragon Age 4 is Not Confirmed
When fans of the beloved Dragon Age franchise caught word that studio BioWare was working on a new Dragon Age game, chaos and excitement ensued. But now, those dreams have seemingly been dashed to a slight degree. Dragon Age creative director Mike Laidlaw has stated that Dragon Age 4 isn't definitively set in stone just yet.
It began on Twitter, when a Dragon Age fan asked Laidlaw about the events of Dragon Age: Inquisition‘s final DLC, Trespasser. "Mike, is there a chance that DA4 starts before Trespasser, so Trespasser becomes AU? Or is [the] DLC ending canon?" user @LeidaPaleo questioned. Laidlaw responded simply: "DA4 is not confirmed. Trespasser is canon."
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