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@dependabot dependabot bot commented on behalf of github Jan 15, 2026

Bumps miniflare from 4.20260111.0 to 4.20260114.0.

Release notes

Sourced from miniflare's releases.

[email protected]

Minor Changes

  • #11883 4714ca1 Thanks @​dario-piotrowicz! - Add MF-Original-Hostname header when using the upstream option

    When using the upstream option in Miniflare, the Host header is rewritten to match the upstream server, which means the original hostname is lost. This change adds a new MF-Original-Hostname header that preserves the original hostname from the incoming request.

    This allows Workers to access the original hostname when proxying requests through an upstream server:

    export default {
    	async fetch(request) {
    		const originalHostname = request.headers.get("MF-Original-Hostname");
    		// originalHostname contains the hostname before it was rewritten
    	},
    };

Patch Changes

  • #11908 e78186d Thanks @​dependabot! - chore: update dependencies of "miniflare", "wrangler"

    The following dependency versions have been updated:

    Dependency From To
    workerd 1.20260111.0 1.20260114.0
  • #11898 c17e971 Thanks @​petebacondarwin! - Bundle more third-party dependencies to reduce supply chain risk

    Previously, several small utility packages were listed as runtime dependencies and installed separately. These are now bundled directly into the published packages, reducing the number of external dependencies users need to trust.

    Bundled dependencies:

    • miniflare: acorn, acorn-walk, exit-hook, glob-to-regexp, stoppable
    • kv-asset-handler: mime
    • vite-plugin-cloudflare: @remix-run/node-fetch-server, defu, get-port, picocolors, tinyglobby
    • vitest-pool-workers: birpc, devalue, get-port, semver
Changelog

Sourced from miniflare's changelog.

4.20260114.0

Minor Changes

  • #11883 4714ca1 Thanks @​dario-piotrowicz! - Add MF-Original-Hostname header when using the upstream option

    When using the upstream option in Miniflare, the Host header is rewritten to match the upstream server, which means the original hostname is lost. This change adds a new MF-Original-Hostname header that preserves the original hostname from the incoming request.

    This allows Workers to access the original hostname when proxying requests through an upstream server:

    export default {
    	async fetch(request) {
    		const originalHostname = request.headers.get("MF-Original-Hostname");
    		// originalHostname contains the hostname before it was rewritten
    	},
    };

Patch Changes

  • #11908 e78186d Thanks @​dependabot! - chore: update dependencies of "miniflare", "wrangler"

    The following dependency versions have been updated:

    Dependency From To
    workerd 1.20260111.0 1.20260114.0
  • #11898 c17e971 Thanks @​petebacondarwin! - Bundle more third-party dependencies to reduce supply chain risk

    Previously, several small utility packages were listed as runtime dependencies and installed separately. These are now bundled directly into the published packages, reducing the number of external dependencies users need to trust.

    Bundled dependencies:

    • miniflare: acorn, acorn-walk, exit-hook, glob-to-regexp, stoppable
    • kv-asset-handler: mime
    • vite-plugin-cloudflare: @remix-run/node-fetch-server, defu, get-port, picocolors, tinyglobby
    • vitest-pool-workers: birpc, devalue, get-port, semver
Commits

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Bumps [miniflare](https://github.com/cloudflare/workers-sdk/tree/HEAD/packages/miniflare) from 4.20260111.0 to 4.20260114.0.
- [Release notes](https://github.com/cloudflare/workers-sdk/releases)
- [Changelog](https://github.com/cloudflare/workers-sdk/blob/main/packages/miniflare/CHANGELOG.md)
- [Commits](https://github.com/cloudflare/workers-sdk/commits/[email protected]/packages/miniflare)

---
updated-dependencies:
- dependency-name: miniflare
  dependency-version: 4.20260114.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code labels Jan 15, 2026
@matthewgall matthewgall merged commit 4cf6a39 into main Jan 16, 2026
1 check failed
@dependabot dependabot bot deleted the dependabot/npm_and_yarn/miniflare-4.20260114.0 branch January 16, 2026 15:21
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