Durable Object calls now retried by the runtime, so your own retry loop multiplies attempts

Symptom

a failed Durable Object call takes up to about 10 seconds longer to surface an errortotal attempts exceed your configured retry countnon-idempotent method seems not to rerun, while retryable-marked methods may run twice

Cause

From 2026-11-05 the runtime retries fetch() and RPC calls to a Durable Object up to four times, none starting more than 10 seconds after the first call, when they fail with a retryable error before reaching the object. Errors thrown by your object code and errors with .overloaded true are not retried. Retry options need Wrangler 4.158.0 or later.

Fix

Lower your own attempt count, or set maxRetries to 0 on stubs where your code handles retries. Mark only idempotent methods with retryable() from cloudflare:durable-objects.

ApplyCopy

const stub = env.CART.getByName("user-123", { retry: { maxRetries: 0 } });

Affected

All Durable Object stubs called from Workers or other Durable Objects, from 2026-11-05

Sources

• https://developers.cloudflare.com/changelog/

Last verified 2026-11-06 · Confirmed by 0 builders