Angular group released their latest version, called Angular 8. If you're familiar with Angular's previous version, that won't be hard for you. You can easily upgrade your older Angular version to the latest Angular 8 version.
Angular 2 : Angular 2 was an entire AngularJS rewriting. It was first released in May 2016, and released on September 14, 2016, the final version.
Angular 4 : Angular 4 was updated to Angular 2 version. The Google team skipped the Angular 3 because of the misalignment of the router package version that was already distributed as v3.3.0, to avoid the confusion.
Angular 5 : The upgraded version of the previous one was Angular 5. It was released on November 1, 2017 and has enhanced support for progressive web applications.
Angular 6 : Angular 6 Released May 4 , 2018. It was a major release focused on ng update, angular elements, angular material starter components, ng add, performance improvements for animations, CLI workspaces, library support, angular material + CDK components, tree shakable providers, and RxJS v6.
Angular 7 : On 18 October 2018 Angular 7 was released. This focused on performance of apps, angular content & CDK, virtual scrolling, improved accessibility, etc.
Angular 8 : Angular 8 is the latest version which is currently running. Angular 8 will be released on 28 May 2019. It focuses mainly on Differential Loading, Dynamic Imports as an opt-in support for lazy routes, web workers and Angular Ivy. It supports 3.4 TypeScript as well.