React State Management Today
The Rise of Recoil — Facebook’s New State Management Library 

You’ve built a React web app and would love to bring it to iOS and Android. That means you have to learn React Native first, right? As it turns out, there’s an easier way to deploy to mobile. With Capacitor, a new native runtime for web apps, you can deploy any React-based web app as a PWA, iOS, or Android app - all from the same codebase. 

wojtekmaj/react-pdf: Display PDFs in your React app as easily as if they were images. 

A Guide to Commonly Used React Component Libraries 

What React 17 Means for Developers 

State of Frontend 2020
Surveys taken by developers: 4,500 

Based on the above observations, we can conclude that React will be the best framework to learn in 2021, followed by Vue. But there is a high chance of Angular defending second place since it has been there for a longer period of time than Vue, and surely 2021 is not the end of that. So if you are an Angular developer, I suggest you learn React in the upcoming days.

React v17.0 Release Candidate: No New Features 

Screenshot.rocks is an online tool which allows you to create beautiful mobile & browser mockups from screenshots.