Cloudflare Workers

This release stabilizes the `wrangler containers` commands and fixes several issues related to network request blocking during startup and incorrect fetch error handling. It also updates the Python Workers runtime to correctly handle imported JS files as ESM modules.

This release upgrades the OpenAPI worker template dependencies to chanfana v3.3 and Zod v4, introducing template improvements and fixing scaffolding issues. Dependency updates across related tools like create-vite and create-analog were also performed.

This minor release introduces quality-of-life improvements by adding standard shift-click multi-select behavior to the R2 object list interface.

This patch release updates the underlying dependencies, specifically miniflare to version 4.20260415.0 and wrangler to version 4.83.0.

Refactored the asset-worker invocation logic to prepare for future gradual rollout capabilities, with no functional change for users today.

This patch release hardens file serving security in the Vite development server and updates underlying dependencies, including Miniflare and Wrangler.

This patch release primarily focuses on updating dependencies, specifically bumping miniflare to version 4.20260415.0.

This patch release fixes a bug where properties in the `previews` configuration were incorrectly marked as required.

This patch release focuses on stability and performance improvements, including fixing fetch errors for non-2xx responses, resolving crashes with remote bindings in `wrangler dev`, and making startup network operations non-blocking.

This patch release introduces support for Flagship OAuth scopes during user login via wrangler.

This patch release primarily updates internal dependencies, specifically upgrading wrangler to version 4.82.2.

This patch release primarily updates internal dependencies, specifically upgrading wrangler to version 4.82.2.

This patch release disables invalid flagship OAuth scopes by default and improves compatibility with newer Vike configuration file formats by correctly resolving identifier exports in autoconfig.

This patch release primarily focused on updating internal dependencies, specifically updating wrangler to version 4.82.1.

This patch release primarily focused on updating internal dependencies, specifically updating wrangler to version 4.82.1.

This patch release updates dependencies for "create-cloudflare", specifically upgrading create-vike from 0.0.599 to 0.0.616.

This release introduces support for Preview deployments via `wrangler preview`, new commands for managing Browser Rendering sessions, and integrates Flagship feature flag binding support. It also enhances machine readability for JSON output by moving proxy notices to stderr and adds telemetry to the local REST API.

This release introduces a new development shortcut to inspect binding states during local development and updates underlying dependencies.

This release enhances the local explorer experience with UI improvements like collapsible sidebar groups, theme persistence, and better error handling for routes. It also updates the agent prompt copying feature to use the correct local runtime origin.

This patch release primarily consists of dependency updates, specifically upgrading miniflare to version 4.20260410.0.

This patch release updates internal dependencies, specifically upgrading wrangler to version 4.82.0 and miniflare to version 4.20260410.0.

This release introduces support for Cloudflare Flagship feature flag bindings and adds telemetry collection to the local REST API. Bug fixes include returning queue metrics from broker endpoints.

This release introduces support for Cloudflare Flagship feature flag bindings, enabling Workers to evaluate feature flags directly. Configuration is managed via `wrangler.json`.

This patch release updates dependencies for "create-cloudflare", specifically upgrading create-docusaurus from 3.9.2 to 3.10.0.

This patch release primarily updates internal dependencies, specifically miniflare to version 4.20260409.0 and wrangler to version 4.81.1.

This release enhances the local explorer by listing DO instances with names and fixes an issue related to resource binding in the explorer. Dependencies, including workerd, have also been updated.

This patch release primarily updates internal dependencies, specifically miniflare to version 4.20260409.0 and wrangler to version 4.81.1.

This minor release enhances the workflow step context by adding 'step' and 'config' properties to the callback received by step.do().

This minor release enhances the local explorer experience by adding an animated logo, improving DO instance listing, and fixing a binding issue for resources.

This patch release primarily focused on updating internal dependencies, specifically updating miniflare to version 4.20260409.0.

This patch release primarily updates internal dependencies, including 'workerd' and 'miniflare', and fixes a critical bug related to AI Search bindings not working correctly during local development.

This patch release primarily updates dependencies within "create-cloudflare" and introduces improved error handling for unsupported Node.js versions.

This patch release primarily consists of dependency updates, specifically upgrading miniflare to version 4.20260405.0.

This patch release updates underlying dependencies, specifically Miniflare to version 4.20260405.0 and Wrangler to version 4.81.0.

This release introduces support for ReadableStream in workflow steps to handle outputs larger than 1MB. This is achieved by natively serializing and replaying stream chunks on the workers platform.

This release introduces an overhaul of the local explorer UI color palette, moving towards using Kumo styles for a more consistent look.

This release introduces the local explorer's OpenAPI specification endpoint and fixes a Hyperdrive TLS configuration bug. It also updates the local mock for Images binding to align with the latest workerd API.

This patch release improves error handling for unsupported V8 coverage providers by rejecting them early with a clear message. Dependencies including miniflare and wrangler have also been updated.

This release introduces comprehensive new CLI commands for managing Cloudflare Email Routing and Email Sending features via `wrangler`. It also includes dependency updates and fixes an issue with framework auto-detection and configuration format rendering in `wrangler dev`.

This release introduces experimental headful browser rendering for local debugging and fixes a SyntaxError related to trailing comments in SSR-transformed modules. It also updates how the local workerd compatibility date is determined, deprecating the old utility function.

This patch updates the default compatibility date resolution to use today's date, improving reliability across various package manager environments, especially pnpm.

This release introduces experimental headful browser rendering for local development and adds support for VPC network bindings. It also deprecates the `supportedCompatibilityDate` export and fixes a module parsing bug in Miniflare.

This release introduces experimental headful browser rendering for local debugging and adds support for VPC network bindings. Several compatibility date utilities have been removed from the public API in favor of a utility from `@cloudflare/workers-utils`.

This patch release primarily involves updating dependencies, specifically upgrading miniflare to version 4.20260401.0.

This release introduces experimental headful local development, adds support for AI Search and VPC network bindings, and includes several bug fixes related to build error visibility, D1 migration ordering, and source phase imports.

This patch updates dependencies and refactors log processing in `vitest-pool-workers` to utilize miniflare's structured logging capabilities for cleaner output handling.

This minor release introduces utility functions to manage Wrangler-related entries within gitignore files automatically.

This patch release primarily updates various dependencies within the "create-cloudflare" toolset, including updates for create-react-router, create-astro, @angular/create, create-waku, and create-vue.

This patch updates dependencies, including wrangler and miniflare, and fixes a bug where the 'connect' method was missing from key lists in the runner worker, causing type check failures.

This patch fixes a TypeError occurring in Vite 8 builds by adjusting how the `@cloudflare/style-provider` package is resolved, accommodating Vite 8's switch to the rolldown bundler.

This release enhances local development tooling by fully implementing devtools endpoints for browser rendering and adding comprehensive Workflows support to the local explorer UI. It also includes a fix for noisy file handle errors on Windows during Miniflare disposal.

This release introduces a testing utility to skip retry delays in Workflows and improves compatibility with alternative testing setups like Vite+. Several minor bug fixes address noise in test logs and improve runtime compatibility date handling.

This patch introduces comprehensive Workflows dashboard support within the local development explorer UI, allowing developers to view and manage workflow instances locally.

This release introduces CLI commands for managing Cloudflare AI Search and adds local development support for Workflows commands. It also includes several stability improvements, particularly around project auto-configuration and asset directory handling.

This patch release primarily updates dependencies, specifically bumping miniflare to version 4.20260329.0.

This minor release introduces new reusable utility functions for running shell commands and installing packages, exported via dedicated sub-paths in the @cloudflare/cli package.

This minor release introduces the new @cloudflare/codemod package containing internal AST-based codemod utilities built using recast.

This patch release fixes a concurrency issue related to deferred dynamic imports in Workers, preventing I/O errors by correctly scoping imports within Durable Object contexts. It also updates several dependencies.

This patch release primarily updates dependencies, specifically upgrading miniflare to version 4.20260317.3.

This patch release introduces the library-push flag for containers registries credentials, although it is not currently available for public use.

Dependencies in Python workers templates were updated, adding workers-runtime-sdk and removing webtypy.

This release introduces new AI Search bindings and enables local development support for Cloudflare Stream bindings. A critical bug fix was also implemented to correctly anchor glob patterns, preventing incorrect file matching in module rules.

This patch release fixes several issues related to Durable Object communication, module loading behavior, and test stability. It also introduces new testing utilities for managing secrets.

This release introduces significant enhancements for local development and deployment, including support for Access Service Tokens, new AI Search bindings, and local Stream binding support. It also improves VPC service configuration and fixes several bugs related to Angular setup and dry-run validation.

This release introduces new binding types for AI Search and enforces stricter validation on queue consumer configurations within wrangler.toml.

This patch release fixes an issue preventing subpath imports for various module types and enables this functionality via configuration in `package.json`. Dependencies including wrangler and miniflare were also updated.

This patch release primarily updates dependencies, including an update to miniflare to version 4.20260317.2.

This patch replaces the deprecated and unmaintained `promjs` library with the new `MetricsRegistry` from `@cloudflare/workers-utils/prometheus-metrics` to ensure continued compatibility and maintenance for Prometheus metrics exposition.

This patch release for workers-sdk focuses on improving Miniflare's local development experience by fixing configuration parsing issues for D1, KV, Pipelines, and R2 bindings, and by disabling request timeouts in the undici Pool.

This release defaults source map uploads to true for new projects and corrects the Qwik adapter scaffolding when targeting Cloudflare Workers. It also includes several minor dependency updates within create-cloudflare templates.

This patch release fixes a critical bug where timed-out event waiters in workflows could lead to subsequent workflows hanging indefinitely.

This patch release updates dependencies, specifically upgrading wrangler to v4.77.0 and miniflare to v4.20260317.2, alongside minor test and fixture updates for Vitest 4.

This patch replaces the deprecated and unmaintained `promjs` library with the new `MetricsRegistry` from `@cloudflare/workers-utils/prometheus-metrics` to ensure continued compatibility and stability for Prometheus metrics generation.

This patch release removes the non-functional cf-requirements support for Python workers.

This release introduces validation for required secrets during deployment and upload using the experimental `secrets` configuration property. It also improves the reliability of remote development sessions and fixes Qwik scaffolding issues for Workers targets.

The SDK replaced the deprecated and unmaintained `promjs` library with a new `MetricsRegistry` implementation for Prometheus metrics output. The `/exchange` preview session endpoint was also restored.

This release enhances the local explorer UI by adding worker filtering for shared dev registries and introducing experimental support for R2 operations. A bug related to listing internal Durable Object tables was also fixed.

This release enhances the local development experience by enabling the local explorer by default, adding R2 support, and introducing worker filtering to the explorer UI. Workflow instances also gained new control methods (pause, resume, restart, terminate) locally.

This patch release updates dependencies and enhances the workflows testing utility to support waiting for "terminated" and "paused" states.

This release enables the local explorer UI by default for inspecting local resources during development and includes a fix for middleware splicing issues across different Vite versions.

This patch release primarily updates dependencies, specifically upgrading miniflare to version 4.20260317.1.

This release introduces management capabilities for workflow instances during local development, allowing users to pause, resume, restart, and terminate them.

This release introduces Stream binding support, enables the local explorer by default, and updates `wrangler containers list` to use a paginated API endpoint. It also adds compatibility fixes for older Astro versions.

This patch introduces a new ESLint rule to enforce importing `expect` from the test context rather than directly from `vitest` for improved test safety.

Several experimental Node.js module compatibility flags are now graduated and enabled by default for workers targeting compatibility date 2026-03-17 or later.

The SDK upgraded the internal proxy-everything dependency to support DNS query filtering for constrained outbound HTTP requests. Additionally, the `wrangler containers list` command was rewritten to use a paginated Dash API endpoint for improved listing functionality.

This minor release introduces support for Stream bindings within Wrangler and workers-utils, improving configuration consistency for stream resources.

This patch release primarily updates dependencies, including bumping miniflare to version 4.20260317.0.

This patch release primarily updates dependencies within the "create-cloudflare" tooling, including updates to create-next-app, nuxi, create-astro, @angular/create, and create-qwik.

This patch release updates the bundled dependencies, specifically upgrading wrangler to version 4.75.0 and miniflare to version 4.20260317.0.

This release introduces experimental support for managing Cloudflare Tunnels directly through new `wrangler tunnel` commands and fixes a critical bug where local debugging would freeze scripts if DevTools was not attached.

The DevTools frontend deployment infrastructure has been migrated from Cloudflare Pages to a Workers + Assets project, updating deployment commands accordingly.

This patch updates dependencies and introduces logic to select the correct Vite module runner implementation during development based on the user's installed Vite version to maintain compatibility.

This patch release primarily updates internal dependencies, including undici and workerd versions, and migrates the chrome-devtools-patches deployment mechanism to use Workers + Assets.

This release introduces the ability to deploy secrets alongside Worker code via `--secrets-file` and adds a new command to list container instances. Bug fixes address issues with monorepo autoconfiguration and asset upload error handling.

This patch addresses a bug in the local explorer where Miniflare's modification of host and origin headers caused same-origin requests to be blocked when routes were configured.

This patch release primarily updates internal dependencies, specifically miniflare to version 4.20260312.1.

This patch release primarily addresses a visual bug in the data studio where the table selection dropdown had an incorrect z-index, causing display issues.

This release adds support for Vite 8 as a peer dependency and fixes a critical crash related to early HMR event handling during development server startup.

This release introduces a new `wrangler containers instances` command to list container instances for an application and adds pagination support to the underlying API client.