Opam 2 beta: how to list and switch ocaml version?

Ecosystem
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Did you find an answer to this? I’ve been trying switch version or check the ocaml version Im using consistently across compilers and toplevel without success:

Check the session where I try switching version but the toplevel doesn’t change but the compiler does.

(base) ❯ opam switch list
#  switch   compiler                    description
→  4.05.0   ocaml-base-compiler.4.05.0  4.05.0
   4.06.0   ocaml-base-compiler.4.06.0  4.06.0
   4.07.0   ocaml-base-compiler.4.07.0  4.07.0
   default  ocaml-system.4.07.0         default
(base) ❯ opam switch 4.06.0
(base) ❯ ocaml --version
The OCaml toplevel, version 4.07.0
(base) ❯ opam switch list
#  switch   compiler                    description
   4.05.0   ocaml-base-compiler.4.05.0  4.05.0
→  4.06.0   ocaml-base-compiler.4.06.0  4.06.0
   4.07.0   ocaml-base-compiler.4.07.0  4.07.0
   default  ocaml-system.4.07.0         default

why isn’t there a SINGLE command that changes version everywhere?

related question: