Due to limitations of Edit-and-Continue, we can’t make code changes here:
This sucks because I wanted to try a couple code snippets that need the runtime-state.
But, using the technique described in Coding Firefox in C# in real-time using Selenium's Firefox driver , I can have a C# REPL environment to run those scripts :)
For a similar (long) detailed explanation of how to use this debugging/coding technique, see also OpenQA.Selenium.DriverServiceNotFoundException on Chrome