关于[Announcing TypeScript 3.9 Beta]的摘要:
Today we’re announcing the availabilty of TypeScript 3.9 Beta! For this release our team been has been focusing on performance, polish, and stability. We’ve been working on speeding up the compiler and editing experience, getting rid of friction and papercuts, and reducing bugs and crashes. We’ve also received a number of useful and much-appreciated features and fixes from the external community!
原文地址: https://devblogs.microsoft.com/typescript/announcing-typescript-3-9-beta/