The Canon RF 70-200mm f/2.8L IS USM Z will be announced before July 2024, and it will have the internal zoom that we have already reported on as well as the same power zoom functionality as the RF 24-105mm f/2.8L IS USM Z.
https://www.canonrumors.com/canons-2024-roadmap-and-the-timeline-surprised-us-cr3/