
Conceptual image of an AngularJS codebase.

Conceptual image of an AngularJS codebase.
This is actually a pretty good introduction to doing state management without using a framework such as Redux or MobX.
This tutorial builds up from first principles and ends with a streams style reactive UI.
State immutablity is considered an optional thing which is something I disagree with but there’s nothing stopping you from handling things immutably.
A simplified React in 160 lines of code. Sometimes the best way to understand something is to reimplement it.
RxJS 6 is out and the library is moving away from being a huge API of methods to a smaller, more composable one using functions. This document outlines the changes and how to upgrade your code from RxJS 5.
The product should be recalled.
Migrating a large code base from AngulaJS to Angular is a gnarly problem. Keeping your old AngularJS code running alongside the new is the main problem but you can do it using the hybrid router solution outlined here.

Several things went wrong. They probably started going wrong long before the bean factory got involved.

This opinion is still controversial amongst Java programmers.
Object Oriented Programming is mostly a one trick pony and that trick is called polymorphism.