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Workflows, Workers - Workflows step limit increased to 25,000 steps per instance
Cloudflare Developer Platform Changelog · 2026-03-03
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Workflows, Workers - Increased Workflows instance and concurrency limits
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Workflows - Concurrent Workflow instances limits increased.
Workflows now supports up to 4,500 concurrent (running) instances, up from the previous limit of 100. This limit will continue to increase during the Workflows open beta. This increase applies to all users on the Workers Paid plan, and takes effect immediately. Review the Workflows limits documentation and/or dive i...
Workers - Worker startup time limit increased to 1 second
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Workflows - Increased Workflows limits and improved instance queueing.
Workflows (beta) now allows you to define up to 1024 steps . sleep steps do not count against this limit. We've also added: instanceId as property to the WorkflowEvent type, allowing you to retrieve the current instance ID from within a running Workflow instance Improved queueing logic for Workflow instances beyond...
KV - Workers KV namespace limits increased to 1000
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Workflows, Workers - Increased concurrency, creation rate, and queued instance limits for Workflows instances
Workflows limits have been raised to the following: Limit Previous New Concurrent instances (running in parallel) 10,000 50,000 Instance creation rate (per account) 100/second per account 300/second per account, 100/second per workflow Queued instances per Workflow 1 1 million 2 million These increases apply to all...