Migration to v5
v5.0​
Chart.js v4 and react-chartjs-2 v5 are ESM-only packages. To use them in your project, it also should be ESM:
package.json
{
"type": "module"
}
v5.1​
Chart.js v4.1 and react-chartjs-2 v5.1 have restored the CommonJS support.