Some ideas for your Synopsis (2020)

JavaScript Framework/Library

Angular (Advanced - stuff not covered by me in the course)
React/Redux (Advanced - stuff not covered by me in the course)
RxJS (Reactive extensions for JS - Reactive programming - Advanced)
NGRX
FireBase/FireStore (With autentification etc)
Vue.JS
Meteor.JS
Next.JS
Bootstrap 4 vs Foundation or Material

MEAN - stack
MERN - stack
FERN - stack
FEAN - stack

GraphQL
PWA (Progressive Web Apps)
SignalR
WebSocket
Firebase (e.g. Cloud Storage, Cloud Functions, Cloud FireStore, Firebase Authentication ....)

Jest (Testing tool for JavaScript, especially for applications build with React)

Blazor/WebAssembly

Ruby on Rails

WebSecurity

• Cross-Site Request Forgery Prevention(CSRF)
• Cross-Site Scripting (XSS) Prevention
• Injection.
• Broken Authentication.
• Sensitive Data Exposure.
• XML External Entities (XXE) Broken Access Control. 
• Security Misconfiguration. 
• Insecure Deserialization.
  
  

CMS (Content Management Systems)
WordPress, Drupal, Umbraco, Joomla ....