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Node.js 20 Upgrade

Overview​

Cornerstone3D 4.x requires Node.js 20 or higher. This is an upgrade from the previous requirement of Node.js 18.

Changes Required​

Update Node Version​

Update your local development environment to use Node.js 20 or higher:

# Using nvm (Node Version Manager)
nvm install 20
nvm use 20

# Or install directly from nodejs.org

Update Package.json​

Update your package.json engines field:

{
  "engines": {
    "node": ">=20"
  }
}