Sanity check: Bonsai / Effect.t vs OCaml 5.0.0 effect handlers?

Do these two (1) have some deep connection or (2) merely share the same name ? [My intuition says (2), but I am not sure.]

They share the same name. Bonsai’s effect reference the Effect types in the virtual_dom library: virtual_dom/ at master · janestreet/virtual_dom · GitHub and bonsai/effect.mli at master · janestreet/bonsai · GitHub