Canon EOS R7 vs EOS R10: what's the difference, how do they compare?

Introduction Canon has announced the first two APS-C cameras in its RF mirrorless mount. The EOS R10 is priced around the level of the core 'Rebel' cameras, while the EOS R7 has the price and features to put it a little above EOS 90D. Looking at the existing EF-M mirrorless lineup, they approximate the EOS M5 and M6 II relationship. Although Canon says this isn't the end for EF-S cameras (or EF-M ones, for that matter), it seems extremely likely that the move to incorporate APS-C into its RF mou...