Hydrogen Brings Light Table to Atom

In plain words

Hydrogen was a plugin that brought Light Table's interactive coding features to the Atom text editor. Designed for developers who wanted real-time code execution and feedback within their editor, it allowed users to run code snippets and see results instantly. The project is no longer active, as Atom itself was archived and sunset on December 15, 2022, following a security incident involving unauthorized repository access.

written from the facts on this page · September 2026

From the sources

We are archiving Atom and all projects under the Atom organization for an official sunset on December 15, 2022. On December 7, 2022, GitHub detected unauthorized access to a set of repositories used in the planning and development of Atom. After a thorough investigation, we have concluded there was no risk to GitHub.com services as a result of this unauthorized access. A set of encrypted code signing certificates were exfiltrated; however, the certificates were password-protected and we have no evidence of malicious use. As a preventative measure, we will revoke the exposed certificates used for the Atom application. Revoking these certificates will invalidate some versions of Atom. These…from atom.io

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