TypeScript 5.2 RC: New Features and Enhancements

2023/08/09

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The article announces the Release Candidate of TypeScript 5.2, highlighting the new features and enhancements included in this version. The RC can be obtained through NuGet or npm. The article then provides a list of the new features in TypeScript 5.2, including 'using' Declarations and Explicit Resource Management, Decorator Metadata, Named and Anonymous Tuple Elements, Easier Method Usage for Unions of Arrays, Type-Only Import Paths with TypeScript Implementation File Extensions, Comma Completions for Object Members, Inline Variable Refactoring, Optimized Checks for Ongoing Type Compatibility, and Breaking Changes and Correctness Fixes. The article also mentions the additions made since the Beta release, such as a type-checking optimization and the ability to reference TypeScript implementation files in type-only imports. Overall, TypeScript 5.2 introduces several useful features and enhancements that developers can leverage to improve their coding experience.