the JetBrains IDEs (IntelliJ for Java, Scala, Clojure: PyCharm for Python: & WebStorm for Javascript, Typescript, HTML, CSS) have an integrated feature called Code With Me to allow teams to pair program. I haven’t tried it yet but will do so very soon. Will let you know.

With tooling aside then, my understanding is that pair programming is considered sufficient as code reviewing and we can “skip” Pull Requests and push direct to master. It kind of feels risky but PRs are not silver bullets either.
I would love to hear from anyone who is doing this (bypassing PRs) or playing around with the idea.

that the person with the keyboard shouldn’t take any decisions/actions without first talking to the other(s)

That’s a good rule of thumb

Great topic Finner, I’m interested too!

I haven’t used it yet, but people use tmux for things like pair-programming: