The latest version of TypeScript is now available. According to Microsoft, TypeScript 4.0 represents the next generation of TypeScript releases and focuses on expressivity, productivity, and scalability.
RELATED CONTENT: TypeScript 3.9
New features in this release include:
- Variadic tuple types
- Labeled tuple elements
- Class property inference from constructors
- Short-circuiting assignment operators
- Unknown on catch clauses
- Custom JSX factories
- Speed improvements in build more with –noEmitOnError
- –incremental with –noEmit
- Editor improvements
More information on the release is available here.
The iteration plan for TypeScript 4.1 is also now available.