• Sources: primary, discussion
  • Summary: Co-founder Chris Coyier describes CodePen 2.0 on his own site. The release adds multi-file Pens, npm dependencies managed through package.json, invited co-editors with live collaboration, and deploying a site from the editor. The codepen.io launch page returned HTTP 403 during this run, so this block rests on Coyier's post rather than the product changelog.
  • Why it matters: Files, package management, and deployment move CodePen from a snippet host toward a small project host, which changes what it can stand in for in a workflow.

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