During October 2025, Jon Tirsen developed an external framework integration for the cashapp/misk repository, focusing on exposing a Public Web Action Dispatcher API. He designed and implemented a public API surface, including classes such as BoundAction, WebActionFactory, and WebActionBinding, to enable interoperability with external frameworks like Armeria. By adding a scopeAndHandle overload for non-Jetty environments, Jon ensured semantic compatibility and broadened the API’s applicability. His work leveraged Kotlin and Java, drawing on skills in API design, backend development, and framework development. The integration reduced friction for partners, enabling faster adoption and supporting cross-framework usage scenarios with robust interoperability.