#GitHub

A look back at the major events that reshaped TypeScript's position in the JavaScript ecosystem — from surpassing JavaScript on GitHub to npm supply chain compromises and the Go-based compiler rewrite targeting 10x faster builds.

Starting April 24, 2026, GitHub will use interaction data from Free, Pro, and Pro+ Copilot users to train AI models — unless they manually opt out. Business and Enterprise tiers are unaffected. Here's what changes and how to protect your code.