Hi -
That’s correct. The “old” label doesn’t do anything else than letting the user know there’s a new component available.
No, those GHPython 2.7 should work just fine in Rhino 8.
A few releases ago, you could still choose between different editors:
In the current WIP, the legacy C#, GhPython, and VB script components have been hidden:
… but you can still create new instances of those legacy components by using the # prefix:
-wim