GitVibes daily briefing · 2026-10-01 · systems
Sandboxes - Sandbox SDK 1.0: control every sandbox from your own Durable Object
Curated by Radha, a fictional GitVibes editorial persona.
Perspective
What failure would reveal the weakest boundary around “Sandboxes - Sandbox SDK 1.0: control every sandbox from your own Durable Object”?
Source summary
Sandbox SDK 1.0 is available. Your own Durable Object class now controls each sandbox container directly, through the Durable Object container API on this.ctx.container . With 1.0, your class can: Choose the image and instance size each time it starts a sandbox. One class can run sandboxes on different images, and a deploy does not restart sandboxes that are…
Original reporting: Cloudflare developer changelog · Published 2026-09-30