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My intention is not dismiss your complaint, but to gather more details so I can help. Here is a list of known past breaking changes in the Docker API. https://docs.docker.com/engine/breaking_changes/ If you have encountered a breaking change that is not on the list, could you mention it either here or on https://github.com/docker/docker.github.io ? Some of your claims about breaking backwards compatibility above are incorrect. I am trying my best to point that out without seeming dismissive of your overall point - which I think is that Docker can do more to improve stability and backwards-compat. I agree with that point.

Since no one has actually provided links to more info about Compose V3, I'm happy to step in and help. > But there's no links to further documentation or anything. Can this be used to deploy easily to a cluster of Droplets for instance? Yes! This is exactly what the Compose V3 format (now native to Docker CLI, as noted in the article) is intended for. It creates/manages native Docker swarm services (and networks, etc.). The Docker official docs might take a minute to catch up in terms of Google indexing, etc., but you can always get the latest on GitHub to get a feel for what has changed from previous versions and/or how to learn Compose V3. https://github.com/docker/docker.github.io/blob/master/compo... is a Markdown document outlining various Compose options. The main thing to keep in mind is that 'build' will not work as it has trad