We explore topics such as API design, documentation, SDKs, tooling, developer relations, dashboards, metrics, and more. Developer Experience in 2023 is a relatively new term with competing definitions depending on the group using it, encompassing both external-facing and internal aspects aimed at improving developers' experiences when interacting with APIs, tools, or ecosystems. The concept has evolved into two flavors, one focused on external adoption through developer marketing and relations, and the other on internal improvement for writing code and getting it into the CI/CD pipeline. Understanding these definitions is crucial to grasp the nuances of Developer Experience in 2023.