SEE: Six in-demand programming languages: Getting started (free PDF)
Svelte, which promises a "radical new approach to building user interfaces", was the top framework that developers were interested in learning. However, only three-quarters of developers were aware of it, compared to React, Angular, and Vue.js, which all developers at least know exists.
The top "data layer" for managing data in apps was GraphQL, followed by Apollo, Redux, MobX and Relay.
The survey population was made up of 91.3% people who identified as male versus just 6% who identified as female.