[toni-a]

https://www.canonrumors.com/canon-patent-application-canon-rf-20-60mm-f2-8/

Looks like a very very interesting lens at least for me 

Unless it's huge and heavy... Anyone reading the number car guess approximate size and weight?

[Rover]

Prolly the size of a 24-70/2.8

[Klaus]

It's a 21.5-61mm f/2.8. I'd guess that it's fatter but about as big as a 24-70mm.