"# formio"
formio https://github.com/formio/angular-formio/wiki
update to angular 10 https://tutorialslink.com/Articles/How-to-update-Angular-version-Angular-9-to-Angular-10/1635
npm i npm install npm install --save angular-formio npm i @angular/elements
working demo https://formio.github.io/angular-demo/#/
working form.io angular demo: C:\Users\calfredo001\DragonSlayer\formiodemo
workin .net core solution C:\MyWorks\PwcBaseApp