Provides support for run_worker_first option

[WillTaylorDev]

• Warning for sunsetting of experimental_serve_directly
• Error for using run_worker_first and experimental_serve_directly together
• Sends run_worker_first field to EWC (in production) instead of old serve_directly

---

• Tests
  • TODO (before merge)
  • Tests included
  • Tests not necessary because:
• E2E Tests CI Job required? (Use "e2e" label or ask maintainer to run separately)
  • I don't know
  • Required
  • Not required because:
• Public documentation
  • TODO (before merge)
  • Cloudflare docs PR(s): [Static Assets] Rename experimental_serve_directly to run_worker_first cloudflare-docs#19411
  • Documentation not necessary because:

[changeset-bot]

🦋 Changeset detected

Latest commit: 74a667f

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
@cloudflare/workers-shared	Minor
wrangler	Minor
@cloudflare/vitest-pool-workers	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[github-actions]

A wrangler prerelease is available for testing. You can install this latest build in your project with:

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/12998087073/npm-package-wrangler-7897

You can reference the automatically updated head of this PR with:

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/prs/7897/npm-package-wrangler-7897

Or you can use npx with this latest build directly:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/12998087073/npm-package-wrangler-7897 dev path/to/script.js

Additional artifacts:

cloudflare-workers-bindings-extension:

wget https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/12998087073/npm-package-cloudflare-workers-bindings-extension-7897 -O ./cloudflare-workers-bindings-extension.0.0.0-v8734ffd5e.vsix && code --install-extension ./cloudflare-workers-bindings-extension.0.0.0-v8734ffd5e.vsix

create-cloudflare:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/12998087073/npm-package-create-cloudflare-7897 --no-auto-update

@cloudflare/kv-asset-handler:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/12998087073/npm-package-cloudflare-kv-asset-handler-7897

miniflare:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/12998087073/npm-package-miniflare-7897

@cloudflare/pages-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/12998087073/npm-package-cloudflare-pages-shared-7897

@cloudflare/unenv-preset:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/12998087073/npm-package-cloudflare-unenv-preset-7897

@cloudflare/vite-plugin:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/12998087073/npm-package-cloudflare-vite-plugin-7897

@cloudflare/vitest-pool-workers:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/12998087073/npm-package-cloudflare-vitest-pool-workers-7897

@cloudflare/workers-editor-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/12998087073/npm-package-cloudflare-workers-editor-shared-7897

@cloudflare/workers-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/12998087073/npm-package-cloudflare-workers-shared-7897

@cloudflare/workflows-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/12998087073/npm-package-cloudflare-workflows-shared-7897

Note that these links will no longer work once the GitHub Actions artifact expires.

---

[email protected] includes the following runtime dependencies:

Package	Constraint	Resolved
miniflare	workspace:*	3.20250124.0
workerd	1.20250124.0	1.20250124.0
workerd --version	1.20250124.0	2025-01-24

Please ensure constraints are pinned, and miniflare/workerd minor versions match.

[penalosa]

Couple things, otherwsie LGTM