wrangler@4.127.0

Summary

Minor Changes #15356 fe265f8 Thanks @rubuy-74 ! - Add support for configuring a per-workflow max concurrency limit via workflows[].concurrency.limit in your Wrangler config. The limit is the maximum number of Workflow instances that can run concurrently. It is validated as a positive integer and persisted on deploy; the ceiling is enforced server-side. Concurrency is ignored in local development. { "workflows" : [ { "binding" : " MY_WORKFLOW " , "name" : " my-workflow " , "class_name" : " MyWorkflow " , "concurrency" : { "limit" : 10 } } ] } Patch Changes #15367 412c79e Thanks @dependabot ! - Update dependencies of "miniflare", "wrangler" The following dependency versions have been updated: Dependency From To @cloudflare/workers-types ^5.20260825.1 ^5.20260826.1 workerd 1.20260825.1 1.20260826.1 #15375 92874f6 Thanks @WillTaylorDev ! - Upload wrangler preview modules as multipart form data wrangler preview used to base64 the bundle, its modules, and any sourcemaps into a single JSON request body. Base64 inflates content by a third, so a Worker with a large sourcemap could exceed the API request size limit and fail to deploy. The preview deployment request is now multipart/form-data . The deployment settings travel in a metadata part and each module follows as its own part carrying raw bytes, matching how wrangler deploy already uploads a Worker. Updated dependencies [ 412c79e ]: miniflare@5.20260826.0-alpha

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