Workers

The ctx.exports API contains automatically-configured bindings corresponding to your Worker's top-level exports. For each top-level export extending WorkerEntrypoint, ctx.exports will contain a Service Binding by the same name, and for each export extending DurableObject (and for which storage has been…

You can run multiple Workers in a single dev command by passing multiple config files to wrangler dev: wrangler dev --config ./web/wrangler.jsonc --config ./api/wrangler.jsonc Previously, if you ran the command above and then also ran wrangler dev for a different…

In workers-rs, Rust panics were previously non-recoverable. A panic would put the Worker into an invalid state, and further function calls could result in memory overflows or exceptions. Now, when a panic occurs, in-flight requests will throw 500 errors, but…

Rate Limiting within Cloudflare Workers is now Generally Available (GA). The ratelimit binding is now stable and recommended for all production workloads. Existing deployments using the unsafe binding will continue to function to allow for a smooth transition. For more…

We recently increased the available disk space from 8 GB to 20 GB for all plans. Building on that improvement, we’re now doubling the CPU power available for paid plans — from 2 vCPU to 4 vCPU. These changes continue…

To prevent the accidental exposure of applications, we've updated how Worker preview URLs (<PREVIEW>-<WORKER_NAME>.<SUBDOMAIN>.workers.dev) are handled. We made this change to ensure preview URLs are only active when intentionally configured, improving the default security posture of your Workers. One-Time Update…