My personal Gem in this release: Generic parameter defaults. [0] This makes altering a generic interface or a generic type alias in a non-breaking way much easi

My personal Gem in this release: Generic parameter defaults. [0] This makes altering a generic interface or a generic type alias in a non-breaking way much easier which is very powerfull in a large code base. [0]: https://github.com/Microsoft/TypeScript/wiki/What's-new-in-TypeScript#generic-parameter-defaults https://github.com/Microsoft/TypeScript/wiki/What's-new-in-T...