CDS 9 Migration — CAP Best Practices

Primary reference: https://cap.cloud.sap/docs/releases/2025/may25
Breaking changes: https://cap.cloud.sap/docs/releases/jan25 (preparation)

Version requirements

// package.json — minimum for CDS 9
{
  "engines": { "node": ">=20" },
  "dependencies": {
    "@sap/cds": "^9",
    "@sap/cds-dk": "^9"
  }
}

⚠️ EOL notice: @sap/cds 7 and below are end of life as of May 2025. CDS CLI commands will error on cds < 8.