With the popularity of the Nikon ZR and Sony FX3, it makes sense for Canon to enter the super-compact cinema camera market. Yes, there is the EOS C50, but with the success of the Nikon ZR, Canon needed an even more compact solution.
Source: https://www.newsshooter.com/2026/05/13/canon-eos-r6-v-rf20-50mm-f4-l-is-usm-pz/