Features

• Angular 12 support (#362) (thanks @arturovt!)
• Remove Ivy dom unmount workaround (#362)
• Remove Animation Engine schematics and workarounds, now that the animation engine bug is fixed in Angular itself (#362)

Breaking Changes

• single-spa-angular@5 does not work with Angular < 12. Please use single-spa-angular@4 or earlier for older versions of Angular.