Change8

Cloudflare Workers

Backend & Infra

⛅️ Home to Wrangler, the CLI for Cloudflare Workers®

Latest: @cloudflare/workers-utils@0.26.0100 releases3 breaking changes3 common errorsView on GitHub

Release History

@cloudflare/workers-utils@0.26.0
Jul 9, 2026
@cloudflare/workers-auth@0.4.2
Jul 9, 2026
@cloudflare/vite-plugin@1.44.0
Jul 9, 2026
wrangler@4.110.0
Jul 9, 2026
@cloudflare/pages-shared@0.13.156
Jul 9, 2026
@cloudflare/runtime-types@0.0.1
Jul 9, 2026
@cloudflare/vitest-pool-workers@0.18.4
Jul 9, 2026
@cloudflare/cli-shared-helpers@0.1.13
Jul 9, 2026
@cloudflare/autoconfig@0.1.4
Jul 9, 2026
miniflare@4.20260708.1
Jul 9, 2026
@cloudflare/deploy-helpers@0.4.0
Jul 9, 2026
@cloudflare/workflows-shared@0.12.0
Jul 9, 2026
@cloudflare/pages-shared@0.13.155
Jul 9, 2026
wrangler@4.109.0
Jul 9, 2026
@cloudflare/vite-plugin@1.43.3
Jul 9, 2026
@cloudflare/deploy-helpers@0.3.3
Jul 9, 2026
create-cloudflare@2.70.10
Jul 9, 2026
miniflare@4.20260708.0
Jul 9, 2026
@cloudflare/vitest-pool-workers@0.18.3
Jul 9, 2026
@cloudflare/pages-shared@0.13.154
Jul 7, 2026

This patch release primarily updates the Miniflare dependency to version 4.20260706.0.

wrangler@4.108.0Breaking1 feature
Jul 7, 2026

This release introduces delegation of static Pages deploys to Workers for agent-driven workflows and adds safety checks to prevent non-interactive deploys from silently overwriting existing Workers without explicit configuration. Dependencies have also been updated.

@cloudflare/deploy-helpers@0.3.2
Jul 7, 2026

This patch release primarily updates dependencies, specifically upgrading miniflare to version 4.20260706.0.

@cloudflare/vitest-pool-workers@0.18.2
Jul 7, 2026

This patch release focuses on updating internal dependencies, specifically upgrading wrangler to version 4.108.0 and miniflare to version 4.20260706.0.

miniflare@4.20260706.0
Jul 7, 2026

This patch release updates dependencies for several tools including miniflare, wrangler, and create-cloudflare to newer versions.

create-cloudflare@2.70.9
Jul 7, 2026

This patch release updates dependencies for several tools including miniflare, wrangler, and create-cloudflare to newer versions.

@cloudflare/vite-plugin@1.43.2
Jul 7, 2026

This patch release primarily consists of dependency updates for wrangler and miniflare.

@cloudflare/deploy-helpers@0.3.1
Jul 7, 2026

This patch release primarily focuses on updating various internal and external dependencies to newer versions.

@cloudflare/workers-utils@0.25.13 fixes
Jul 7, 2026

This patch release improves ESM compatibility by replacing a CJS dependency with a pure-ESM implementation and upgrades another dependency to support dual ESM/CJS builds. It also adds validation for optional D1 database configuration fields.

@cloudflare/vite-plugin@1.43.1
Jul 7, 2026

This patch release primarily updates internal dependencies, specifically upgrading miniflare to version 4.20260702.0 and wrangler to version 4.107.1.

miniflare@4.20260702.0Breaking2 fixes1 feature
Jul 7, 2026

This release introduces support for Queues across separate local development processes and updates local rate limiting logic to key counters by `namespace_id` for production parity. Internal dependencies were also refactored to improve ESM compatibility.

@cloudflare/autoconfig@0.1.31 fix
Jul 7, 2026

This patch release fixes an issue where Vite version detection failed for vite+ projects during autoconfiguration. Dependencies were also updated.

@cloudflare/workers-auth@0.4.1
Jul 7, 2026

This patch release primarily focuses on updating internal dependencies, specifically @cloudflare/workers-utils to version 0.25.1.

create-cloudflare@2.70.82 fixes
Jul 7, 2026

This patch release primarily updates dependencies within create-cloudflare and fixes an issue where Qwik project scaffolding failed with newer versions of @cloudflare/workers-types. It also modernizes path resolution by replacing a CJS dependency with a pure-ESM implementation.

wrangler@4.107.15 fixes
Jul 7, 2026

This patch release focuses on bug fixes, including correct handling of `.dev.vars` overrides and improved secret deployment error messages. It also updates internal dependencies and refactors path resolution to improve ESM compatibility.

@cloudflare/pages-shared@0.13.153
Jul 7, 2026

This patch release primarily consists of dependency updates, specifically upgrading miniflare to version 4.20260702.0.

@cloudflare/vitest-pool-workers@0.18.11 fix
Jul 7, 2026

This patch release updates dependencies and ensures that rate limiter state is properly reset between tests when using cloudflare:test.

@cloudflare/cli-shared-helpers@0.1.12
Jul 7, 2026

This patch release primarily focused on updating internal dependencies, specifically updating @cloudflare/workers-utils to version 0.25.1.

@cloudflare/cli-shared-helpers@0.1.11
Jul 2, 2026

This patch release primarily involved updating internal dependencies, specifically @cloudflare/workers-utils to version 0.25.0.

@cloudflare/pages-shared@0.13.152
Jul 2, 2026

This patch release primarily updates dependencies, specifically upgrading miniflare to version 4.20260701.0.

@cloudflare/vitest-pool-workers@0.18.05 features
Jul 2, 2026

This release introduces declarative Durable Object exports via `wrangler.json` for managing DO lifecycles (creation, deletion, renaming, transfer). This new flow is integrated across deployment, local development, testing, and type generation.

@cloudflare/workers-auth@0.4.02 features
Jul 2, 2026

This release introduces an opt-in feature to store OAuth credentials securely in the OS keyring instead of plaintext files. Dependencies have also been updated.

@cloudflare/workers-utils@0.25.02 features
Jul 2, 2026

This release introduces granular control over caching by allowing cache options to be set directly on WorkerEntrypoint exports within wrangler.json, alongside new global cross-version cache settings.

@cloudflare/deploy-helpers@0.3.01 fix2 features
Jul 2, 2026

This release introduces granular cache configuration options for WorkerEntrypoint exports and improves asset upload performance through server-side optimizations.

miniflare@4.20260701.0
Jul 2, 2026

This patch release updates dependencies for "miniflare" and "wrangler", specifically upgrading the bundled "workerd" version.

@cloudflare/vite-plugin@1.43.06 features
Jul 2, 2026

This release introduces declarative Durable Object exports via `wrangler.json` to manage DO lifecycle (creation, deletion, renaming, transfer). It also enhances deployment feedback and ensures local development and testing environments respect the new declarative configuration.

@cloudflare/autoconfig@0.1.2
Jul 2, 2026

This patch release primarily involved updating internal dependencies to newer versions.

wrangler@4.107.08 features
Jul 2, 2026

This release introduces significant enhancements for managing Durable Object lifecycles declaratively via `wrangler.json` exports and adds optional OS keyring encryption for OAuth credentials. New `wrangler flagship` commands are also available for managing feature flags.

@cloudflare/vite-plugin@1.42.41 feature
Jun 30, 2026

This patch updates dependencies and enhances the Vite plugin to correctly preserve D1 migration paths in generated Worker configurations, ensuring better integration with testing harnesses.

wrangler@4.106.03 fixes8 features
Jun 30, 2026

This release introduces significant enhancements to the Wrangler CLI, including management commands for AI Search indexing jobs and a new authentication profile system for managing multiple Cloudflare accounts. Testing utilities have also been expanded with D1 migration application and Workflow introspection capabilities.

@cloudflare/vitest-pool-workers@0.17.0Breaking1 fix2 features
Jun 30, 2026

This release makes the Workflow introspector's `get()` method asynchronous and improves compatibility for CommonJS dependencies loading WASM modules with the `?module` suffix in testing environments.

@cloudflare/deploy-helpers@0.2.51 fix
Jun 30, 2026

This patch removes the temporary skipLastDeployedFromApiCheck option following an API fix and updates dependencies, including Miniflare.

miniflare@4.20260630.06 fixes2 features
Jun 30, 2026

This patch updates underlying dependencies, including workerd, and introduces significant fixes and enhancements for local R2 public bucket endpoint behavior. It also adds powerful Workflow introspection capabilities to the test harness.

create-cloudflare@2.70.71 fix
Jun 30, 2026

This patch primarily updates various dependencies within "create-cloudflare" and resolves an issue where npm installs failed for Analog projects due to Vite overrides.

@cloudflare/pages-shared@0.13.151
Jun 30, 2026

This patch release primarily consists of dependency updates, specifically upgrading miniflare to version 4.20260630.0.

@cloudflare/vitest-pool-workers@0.16.201 fix2 features
Jun 25, 2026

This patch introduces new test helpers for Durable Object eviction testing and fixes a critical SQL injection vulnerability in D1 migration commands by properly escaping table names and filenames.

@cloudflare/vite-plugin@1.42.3
Jun 25, 2026

This patch release primarily consists of dependency updates for wrangler and miniflare.

@cloudflare/containers-shared@0.16.01 feature
Jun 25, 2026

The `wrangler containers registries configure` command now supports Google Artifact Registry domains. Configuration requires specifying the service account email and securely providing the private key.

@cloudflare/pages-shared@0.13.150
Jun 25, 2026

This patch release primarily updates dependencies, specifically upgrading miniflare to version 4.20260625.0.

miniflare@4.20260625.0
Jun 25, 2026

This patch release updates dependencies for "miniflare" and "wrangler", specifically bumping the version of the underlying workerd runtime.

wrangler@4.105.01 fix2 features
Jun 25, 2026

This release introduces support for configuring Google Artifact Registry with `wrangler containers registries configure` and improves the security of D1 migration commands by properly escaping SQL identifiers. Container deploys now use digest-pinned image references for increased stability.

@cloudflare/deploy-helpers@0.2.4
Jun 25, 2026

This patch release primarily updates dependencies, specifically upgrading miniflare to version 4.20260625.0.

@cloudflare/autoconfig@0.1.1
Jun 23, 2026

This patch release adds the repository URL to the @cloudflare/autoconfig package.

miniflare@4.20260623.0
Jun 23, 2026

This patch release primarily updates the bundled 'workerd' dependency across multiple minor updates.

wrangler@4.104.03 fixes1 feature
Jun 23, 2026

This release introduces the ability to access the full environment object in test harnesses and resolves several bugs related to module rule processing and container egress on arm64.

@cloudflare/vitest-pool-workers@0.16.19
Jun 23, 2026

This patch release updates dependencies, specifically upgrading miniflare to version 4.20260623.0 and wrangler to version 4.104.0.

@cloudflare/vite-plugin@1.42.21 fix
Jun 23, 2026

This patch release fixes an issue with container egress interception on arm64 Docker runtimes and updates dependencies for miniflare and wrangler.

@cloudflare/deploy-helpers@0.2.3
Jun 23, 2026

This patch release primarily involved updating dependencies, specifically bumping miniflare to version 4.20260623.0.

create-cloudflare@2.70.61 feature
Jun 23, 2026

This patch primarily updates several dependencies within the create-cloudflare toolchain and refactors the Waku template scaffolding process to be self-contained.

@cloudflare/pages-shared@0.13.149
Jun 23, 2026

This patch release primarily consists of dependency updates, specifically bumping miniflare to version 4.20260623.0.

@cloudflare/workers-auth@0.3.2
Jun 19, 2026

This patch release primarily focused on updating dependencies, specifically upgrading @cloudflare/workers-utils to version 0.24.0.

@cloudflare/deploy-helpers@0.2.2
Jun 19, 2026

This patch refactors resource provisioning by moving it into shared deploy helpers, ensuring consistency between worker deploy and versions upload processes. Dependencies have also been updated.

miniflare@4.20260617.11 fix
Jun 19, 2026

This patch release fixes a bug in local Workflows where sliced `Uint8Array` outputs were incorrectly serialized with their full backing buffer, causing persistence errors.

wrangler@4.103.03 fixes
Jun 19, 2026

This release moves several experimental and unstable exports to dedicated utility packages or removes them entirely, improving stability and modularity. Bug fixes address issues related to configuration resolution, error handling during development, and local Workflows data serialization.

@cloudflare/workers-utils@0.24.01 feature
Jun 19, 2026

The `unstable_getWorkerNameFromProject` function was moved from `wrangler` to `@cloudflare/workers-utils` and renamed to `getWorkerNameFromProject`. New PackageManager types and constants were also introduced.

@cloudflare/pages-shared@0.13.148
Jun 19, 2026

This patch release primarily updates dependencies, specifically upgrading miniflare to version 4.20260617.1.

create-cloudflare@2.70.51 fix
Jun 19, 2026

This patch resolves an infinite relaunch loop encountered when using `pnpm create cloudflare@latest` with pnpm 11 by preventing subsequent relaunches from re-running the auto-update check.

@cloudflare/vitest-pool-workers@0.16.18
Jun 19, 2026

This patch release primarily consists of dependency updates for wrangler and miniflare.

@cloudflare/vite-plugin@1.42.11 fix
Jun 19, 2026

This patch resolves an issue where relative entrypoint imports in `cloudflare.config.ts` were resolved incorrectly. Dependencies including wrangler and miniflare have also been updated.

@cloudflare/cli-shared-helpers@0.1.10
Jun 19, 2026

This patch release primarily focused on updating dependencies, specifically upgrading @cloudflare/workers-utils to version 0.24.0.

@cloudflare/quick-edit@0.4.71 fix
Jun 18, 2026

This patch release bumps the bundled esbuild version to 0.28.1, incorporating various bug fixes from recent esbuild updates.

@cloudflare/cli-shared-helpers@0.1.9
Jun 18, 2026

This patch release primarily focused on updating internal dependencies, specifically @cloudflare/workers-utils to version 0.23.2.

@cloudflare/vitest-pool-workers@0.16.171 fix
Jun 18, 2026

This patch release updates core dependencies including undici and esbuild, incorporating bug fixes from the latter.

@cloudflare/workflows-shared@0.11.21 fix1 feature
Jun 18, 2026

This patch updates the bundled esbuild version and enhances Workflows rollback handlers by providing the full step context in the handler function.

wrangler@4.102.03 fixes3 features
Jun 18, 2026

This release introduces experimental build output features via `cf-wrangler build` and `--experimental-cf-build-output`, improves D1 remote command reliability, and patches several dependencies including `ws` to mitigate a high-severity DoS vulnerability.

@cloudflare/deploy-helpers@0.2.11 fix2 features
Jun 18, 2026

This patch updates several dependencies and introduces support for configuring Miniflare plugins directly on typed service bindings during local development via `wrangler dev`.

@cloudflare/workers-shared@0.19.71 fix
Jun 18, 2026

This patch release bumps the bundled esbuild version to 0.28.1, incorporating various bug fixes from recent esbuild updates.

@cloudflare/vite-plugin@1.42.02 fixes2 features
Jun 18, 2026

This release introduces an experimental `cf-vite build` command and patches a high-severity DoS vulnerability in the `ws` dependency. It also improves compatibility with Vitest 4 regarding Node.js built-in module resolution.

@cloudflare/workers-utils@0.23.21 feature
Jun 18, 2026

This patch updates the underlying undici dependency and introduces support for configuring local Miniflare plugins via the `dev.plugin` field on typed service bindings during local development.

miniflare@4.20260617.02 fixes
Jun 18, 2026

This patch release updates several core dependencies including undici, ws (to fix a high-severity DoS vulnerability), and esbuild, alongside a minor update to workerd.

@cloudflare/workers-auth@0.3.1
Jun 18, 2026

This patch release primarily updates internal dependencies, including undici to version 7.28.0 and @cloudflare/workers-utils to 0.23.2.

create-cloudflare@2.70.41 fix
Jun 18, 2026

This patch release updates several underlying dependencies, including undici, esbuild, and create-react-router, incorporating bug fixes and dependency alignment.

@cloudflare/pages-shared@0.13.1471 fix
Jun 18, 2026

This patch release bumps esbuild to version 0.28.1, incorporating numerous upstream bug fixes, and updates the miniflare dependency.

@cloudflare/cli-shared-helpers@0.1.8
Jun 16, 2026

This patch release primarily involved updating internal dependencies, specifically @cloudflare/workers-utils to version 0.23.1.

@cloudflare/deploy-helpers@0.2.01 fix2 features
Jun 16, 2026

This release enhances the deploy helpers by exposing configuration utilities and fixes an issue where asset-only deployments incorrectly triggered resource provisioning, leading to deployment failures.

@cloudflare/workers-utils@0.23.11 fix
Jun 16, 2026

This patch release fixes an inconsistency in how `wrangler dev` handles asset fallbacks when custom routes are defined.

@cloudflare/workers-auth@0.3.03 features
Jun 16, 2026

This release introduces a new --temporary flag for unauthenticated preview account usage and updates internal dependencies.

@cloudflare/vitest-pool-workers@0.16.16
Jun 16, 2026

This patch release primarily focuses on updating internal dependencies, specifically upgrading miniflare to version 4.20260616.0 and wrangler to version 4.101.0.

create-cloudflare@2.70.3
Jun 16, 2026

This patch release primarily updates various dependencies within the "create-cloudflare" toolset, including updates for create-vike, @tanstack/cli, @angular/create, create-analog, and create-next-app.

wrangler@4.101.05 fixes4 features
Jun 16, 2026

This release stabilizes autoconfiguration, introduces temporary account creation via CLI, and enhances testing utilities with per-Worker resource accessors. Several bugs related to asset fallback, email sending commands, and deployment errors have also been resolved.

miniflare@4.20260616.01 fix1 feature
Jun 16, 2026

This release introduces local support for `cf.image` transformations during development, mirroring production behavior, and improves error reporting for missing resource bindings in Miniflare.

Common Errors

MiniflareCoreError4 reports

MiniflareCoreError often arises from conflicting or improperly configured bindings, especially when using browser bindings or multiple workers in the same environment. Ensure all bindings are correctly defined in your wrangler.toml or CLI arguments and that there are no conflicting binding types (e.g., attempting to use browser bindings with module workers simultaneously). If using multiple workers, verify each worker has unique binding names to avoid overlapping modules. Finally, double-check that the referenced modules in your bindings are correctly present and resolvable in your project.

InferenceUpstreamError1 report

The "InferenceUpstreamError" in Cloudflare Workers AI usually indicates a problem with the model being unavailable or timing out when accessed by the Workers AI inference server. Ensure the model ID is correct, the model is properly deployed and active on the Cloudflare AI platform, and that the Worker's request doesn't exceed any limits (memory, CPU time). Double-check Cloudflare status pages for service outages affecting Workers AI, and consider implementing retry logic with exponential backoff in your worker to gracefully handle temporary upstream issues; also consider downgrading wrangler to version 4.35.0 to mitigate any recent breaking changes.

DataCloneError1 report

The DataCloneError in Cloudflare Workers usually arises when attempting to pass non-cloneable objects (like functions, class instances with methods, or certain DOM nodes) across the Worker's boundaries via message passing or durable objects. To fix this, ensure you only send plain JavaScript objects and primitive data types between Workers. If you need to transfer complex data, serialize it into a JSON string before sending, and then deserialize it on the receiving end, or redesign your code to avoid sending such data in the first place.

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