Hello Soumalya!
Welcome to our forum and thanks for contacting us with your question!
Each version of Highcharts is compatible with Angular 12, but I suggest using the newest one. Are you going to use highcharts-angular wrapper in your project? If the answer is positive, here you can find some basic information about it:
https://github.com/highcharts/highchart ... requisites
In case of any future problems feel free to contact us again.
Best regards!