Your tsconfig.json is probably not valid anymore. TypeScript 7 made it official.
BLOG ARTICLE
Published on October 19, 2026
Written by
Kevin - MERN Stack Developer
Source: Medium - TypeScript
1 min read
intermediate
Summary
TypeScript 7 compiles with a Go-based compiler, so many of the legacy options you’ve been copy-pasting into your tsconfig.json files over…Continue reading on Medium »