You can now connect to R2 buckets, D1 databases, and other resources running on Cloudflare, while running your Worker's code locally, on your own machine.| Cloudflare Docs
Cloudflare Workers now features a built-in RPC (Remote Procedure Call) system for use in Worker-to-Worker and Worker-to-Durable Object communication, with absolutely minimal boilerplate. We've designed an RPC system so expressive that calling a remote service can feel like using a library.| The Cloudflare Blog
The structured clone algorithm copies complex JavaScript objects. It is used internally when invoking structuredClone(), to transfer data between Workers via postMessage(), storing objects with IndexedDB, or copying objects for other APIs.| MDN Web Docs
