TypeScript Versions
TypeScript, a superset of JavaScript that adds static typing, has gone through several versions since its creation. Each new version introduces new features, fixes bugs, and improves performance. Here's a breakdown of the different versions:
Current Version
5.3.3 (Stable): This is the latest stable version released on December 6, 2023. It includes bug fixes and performance improvements.Other Active Versions
5.4.0-dev.20231206 (Next): This is the latest development version of TypeScript. It includes new features and bug fixes that are not yet ready for a stable release. 4.1.6 (Next LTS): This is the latest Long Term Support (LTS) version of TypeScript. It will receive bug fixes and security updates for a longer period than other versions.Older Versions
5.3.0-beta, 5.3.1-rc, 3.9.4, 4.6.2-insiders.20220225 are older versions of TypeScript that are still in use by some developers. They may not receive the same level of support as the latest versions.
Key Considerations When Choosing a Version
- Stability: If you need a stable version for your project, use the latest stable release (5.3.3 as of today).
- New Features: If you want to try out the latest features, you can use the next version (5.4.0-dev.20231206).
- Long Term Support: If you need a version that will be supported for a longer period, use the latest LTS version (4.1.6).
Resources for Learning More
- TypeScript documentation: https://www.typescriptlang.org/
- TypeScript releases: https://github.com/int128/release-typescript-action
- TypeScript npm package: https://www.npmjs.com/package/typescript
Here are some additional details about specific versions of TypeScript:
TypeScript 3.9
This version introduced several new features, including improved type inference and promise handling.
It also included a number of performance improvements.
TypeScript 4.1
This version added support for ECMAScript modules and decorators. It also improved the type checker and compiler.
TypeScript 5.3
This version introduced several new features, including improved support for generics and async/await.
It also included a number of performance improvements.
TypeScript 5.4 (Next)
This version is still under development, but it includes several new features, including improved support for null and undefined, and the introduction of awaited operator.It also includes a number of performance improvements.