This is part of the DefinitelyTyped project. DT tends to get a *lot* of one-off ...

		creatonez 52 days ago \| parent \| context \| favorite \| on: Which NPM package has the largest version number? This is part of the DefinitelyTyped project. DT tends to get a lot of one-off contributions just for fixing the one error a dev is experiencing. So maybe they all just copied the version incrementing that previous commits had done, and no one in particular ever took the responsibility to say "this is ready now".