https://www.infoq.com/news/2015/07/typescript-1-5-ES6-transpilation/
TypeScript 1.5 Boosts ES6 Transpilation Features - InfoQ
Microsoft has released TypeScript 1.5, dramatically improving ES6 transpilation capabilities.
typescript 15boostses6transpilation
https://www.infoq.com/news/2015/01/typescript-14-union-types-es6/
TypeScript 1.4 Released, Adds Union Types, More ES6 Features - InfoQ
Microsoft delivered TypeScript 1.4, the latest version of their JavaScript language superset. The new version adds union types and template strings. Also new...
typescript 14releasedadds
https://www.c-sharpcorner.com/UploadFile/0e8478/whats-new-in-typescript-1-3/
What is New in TypeScript 1.3
This article just illustrates some of the latest and useful features released by Microsoft in TypeScript 1.3.
what is newtypescript 13