This patent application (2024-101645) has a bunch of embodiments, allowing us to frame some observations about optical designs that we occasionally see here. It seems very likely that the first embodiment in this patent application is the RF 10-20mm f/4L IS STM.
In short, if this is correct – I was wrong. Yes, we need [. . . ]
Source
. canonrumors.com2024-7-31 15:31