While TypeScript 5.7 remains lenient on variables that may have been initialized, the type system now can report errors when variables were never initialized at all.

The January 2018 update of Microsoft's Visual Studio Code editor incorporates the new TypeScript 2.7.1 edition, allowing for quicker fixing of errors in TypeScript and even regular JavaScript files.

TypeScript 3.9 Improves Performance, Promises and Errors May 31, 2020 2 min read by Dylan Schiemann Follow CEO Living Spec, Slate/Plate, Dojo, HalfStack Like ...

Angular 11.1.0 point release introduces standardized error codes, with error descriptions and debugging guides provided online.