I'm hyped about rivian and its ilk, but is the expectation that each company figures this out on their own, or is someone going to come over the top and make so

I'm hyped about rivian and its ilk, but is the expectation that each company figures this out on their own, or is someone going to come over the top and make something universal all these EVs can ingest. Is swapping batteries the only thing to look forward to?