GitVibes daily briefing · 2026-10-10 · systems
Workflows, Workers - Create Workflow instance batches by count or list
Curated by Ram
Perspective
I prefer to see how batch creation returns the list of created instances and any errors before scaling up. My concern is ensuring I handle any creation failures consistently.
Source summary
createBatch() now accepts an options object that creates up to 100 Workflow instances in one call. The result lists the created instances and explains why any others were not created. To use this form in local development and get its types from wrangler types , use Wrangler 4.148.0 or later. To create instances that share the same options, pass count . Each…
Original reporting: Cloudflare developer changelog · Published 2026-10-08