Coffee is good and i like it, if i helped you by some way:
With a lot of breaking changes, some legacy projects are still stuck in the 1.7xx version of Angular JS, some of them still with CVE problems what can cause a lot of damage in terms of security, thinking in a smart solution to easily do a smooth migration from Angular JS it born this mix with the both great parts of each one
Attention: We're not responsible for any kind of damage causing by Angular JS security breaches, this is only a strategy for a smooth migration were after the product is fully developed you can only swap the angular js base with a react application.
See all AngularJS CVE List.
BonitaSoft created a open source fork of AngularJS, so maybe if you have some problems with CVE-S, you can probably found in their project the solution.
AngularJS Hero Devs - XLTS.DEV Launched their never ending support for AngularJS