Despite me writing off Ruby as a career path for the last five or six years (and I stand by that), out of nowhere a client has dropped a simple Rails API in my lap as part of a consultancy role and so I've updated it, deployed it and am about to rewrite it to add tests and move the logic to more sensible places. And - as before, it's a joy to use and work with and be productive again. Looks like I'm updating to Rails 7 then...