There is no doubt the Canon EOS R3 is going to be announced soon. We…
CR reports that they have been told Canon will announce two cameras with a Foveon-like sensor (based on multi-layer technology). The cameras are expected for Q1 2015.
One of these cameras should be the replacement for the EOS-1D X, the other one another professional-level body with a high megapixel count (so the high res sensor rumor is live again).
CR also claims that a Canon Explorer of Light told them “they’ve been promised a high megapixel camera to come sooner than later”[via CR]