Well isn't the obvious change that in DevOps a developer would also be responsible for operations support of the application they developed? This is really where all this "full stack" stuff comes from: you don't only need to know your development tools but you also need to know about deployment and operations support tools. That means learning more about admin functions of whatever platform you're deploying to. Traditionally, developers just worried about their IDEs and let other groups worry about database maintenance/support and host server maintenance/support. With DevOps, you're getting more involved in the full lifecycle and deployment pipeline.
The best ideas are the crazy ones. If you have a crazy idea and it works, it's really valuable.—Kent Beck