Hi! I'm an engineer here at Retool. I actually did build just this (a basic diffing logic tool) not long ago. It's currently behind a beta flag, but I opened a PR up this morning to get this to ship to production.
If you're a Retool user you can find it under the Beta section in your org settings. And yes, this is available on our cloud offering
Nice. Yeah you guys have tried to recruit me more than once or twice ;) one thing I would strongly suggest as you roll it out is setting a retention policy and throttling/squashing diffs as you can have users that make lots of edits and it can take up a lot of data and become hard to follow the logs for the end users! Great work coming up with this pragmatic solution, best of luck with the rollout, and congrats to the team!
If you're a Retool user you can find it under the Beta section in your org settings. And yes, this is available on our cloud offering