Adds changelog and flag information for process.env population

[mikenomitch]

Summary

Adds process.env population changelog and flag info

Also, we should update this page: https://developers.cloudflare.com/workers/configuration/environment-variables/

But going to way until the importable env change is rolled out to update it in one swoop with both new methods.

[github-actions]

Howdy and thanks for contributing to our repo. We review internal PRs within 1 week. If it's something urgent or has been sitting without a comment, start a thread in the Developer Docs space internally.

[github-actions]

Preview URL: https://0655d8fc.preview.developers.cloudflare.com
Preview Branch URL: https://mikenomitch-add-process-env-docs.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/changelog/2025-03-11-process-env-support/	https://mikenomitch-add-process-env-docs.preview.developers.cloudflare.com/changelog/2025-03-11-process-env-support/
https://developers.cloudflare.com/workers/runtime-apis/nodejs/process/	https://mikenomitch-add-process-env-docs.preview.developers.cloudflare.com/workers/runtime-apis/nodejs/process/

[irvinebroque]

Exciting! Think you added extra bonus changelog (guessing for different PR)

[hyperlint-ai]

Howdy and thanks for contributing to our repo. The Cloudflare team reviews new, external PRs within two (2) weeks. If it's been two weeks or longer without any movement, please tag the PR Assignees in a comment.

We review internal PRs within 1 week. If it's something urgent or has been sitting without a comment, start a thread in the Developer Docs space internally.

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PR Change Summary

Enhanced documentation for process.env population and compatibility flags in Workers.

• Added changelog entry for process.env population with Node.js compatibility.
• Introduced compatibility flag for auto-populating process.env with environment variables.
• Updated documentation to clarify the behavior of process.env in Workers.

Modified Files

• src/content/docs/workers/runtime-apis/nodejs/process.mdx

Added Files

• src/content/changelog/workers/2025-03-11-process-env-support.mdx
• src/content/compatibility-flags/nodejs-compat-populate-process-env.md

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[raghavsethi]

Hey @mikenomitch, thanks for this change, but I think there might be a missing step in here? I can't get the flag to work based on these instructions. Details are here - https://community.cloudflare.com/t/the-new-process-env-support-in-cloudflare-workers-does-not-work-properly/778592/2