Rumors of a new Canon EOS R mirrorless camera with an APS-C sensor surfaced online again. There is also the possibility that Canon will start using the brand new Sony IMX571 26MP back-illuminated APS-C sensor in one of their upcoming cameras (not sure if it will be a DSLR or a mirrorless with RF mount).
Canon is rumored to be currently testing a new EOS R mirrorless camera with an APS-C sensor. It is not clear if this model will be officially announced in the future (via CanonRumors). For the latest reviews and additional EOS R coverage, follow the new Canon EOS R Facebook page.