AngularJS has officially reached its end of life and long-term support has been discontinued. It will still be available but will receive no more updates - including no more security patches. Which is a problem. The global pandemic gave it an extended period of grace but as of December 2021,

Introduction HealthMetrics current monolithic system suffers from high-coupling and an outdated technology stack. It also does not scale well with business opportunities and its engineering resources. HealthMetrics wishes to adopt an architectural style where it can build applications that are resilient, highly scalable, independently deployable, and are able to evolve