Durable Objects

Starting 2026-05-18, support for the deprecated, legacy wrangler dev --remote flag has been removed for KV-backed Durable Objects and will return an error. The --remote flag was never supported with the recommended SQLite storage backend for Durable Objects. For all…

A new Rules of Durable Objects guide is now available, providing opinionated best practices for building effective Durable Objects applications. This guide covers design patterns, storage strategies, concurrency, and common anti-patterns to avoid. Key guidance includes: Design around your "atom"…

Storage billing for SQLite-backed Durable Objects will be enabled in January 2026, with a target date of January 7, 2026 (no earlier). To view your SQLite storage usage, go to the Durable Objects page Go to Durable Objects If you…

Storage billing for SQLite-backed Durable Objects will be enabled in January 2026, with a target date of January 7, 2026 (no earlier). To view your SQLite storage usage, go to the Durable Objects page Go to Durable Objects If you…

You can now view and write to each Durable Object's storage using a UI editor on the Cloudflare dashboard. Only Durable Objects using SQLite storage can use Data Studio. Go to Durable Objects Data Studio unlocks easier data access with…