[dantiberian]

I think it is likely it was the other way around. MongoDB caught wind of what AWS was about to release and changed the license.

[Slippery_John]

Does that even apply? This is api-compatible, but doesn't appear to be using any actual MongoDB code.

[dantiberian]

It seems like Amazon may think so, with this line:

> Amazon DocumentDB implements the Apache 2.0 open source MongoDB 3.6 API by emulating the responses that a MongoDB client expects from a MongoDB server