Introduction to Durable Objects here: https://blog.cloudflare.com/introducing-workers-durable-objects/ https://blog.cloudflare.com/introducing-workers-durable-o

Introduction to Durable Objects here: https://blog.cloudflare.com/introducing-workers-durable-objects/ https://blog.cloudflare.com/introducing-workers-durable-obje... It has since gone into open beta. > some thing only work with the "Module syntax" but every single example is written with the "addEventListener syntax" The new modules syntax is still beta -- it'll eventually be the official recommendation for all Workers, but we're not there yet. But it is indeed required for Durable Objects, which is also beta, because we didn't want to come up with an old-style syntax for Durable Objects that would just be deprecated immediately anyway. It does unfortunately leave things in a confusing state at the moment, but it should get better soon.