React ships only CommonJS builds
React publishes only CommonJS builds, so ES module imports, tree shaking and native browser use are hard.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 21 June 2017 · last reported 22 July 2026
What's going wrong
React's npm packages are published as CommonJS, which blocks native ES module imports in browsers and makes tree shaking harder for bundlers.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.