More than 50% of the Fortune 500 companies are now using the open-source Cloud Foundry Platform-as-a-Service project — either directly or through vendors like Pivotal — to build, test and deploy their applications. Like so many other projects, including the likes of OpenStack, Cloud Foundry went through a bit of a transition in recent years as more and more developers started looking to containers — and especially the Kubernetes project — as a platform on which to develop. Now, however, the project is ready to focus on what always differentiated it from its closed- and open-source competitors: the developer experience.