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Announcing TypeScript 5.0 RC with new features, optimizations, and breaking changes. The runtime requirement is Node.js 10 or later.

Announcing TypeScript 5.0 RC

Supporting Multiple Configuration Files in extends

Passing Emit-Specific Flags Under --build

Case-Insensitive Import Sorting in Editors

Speed, Memory, and Package Size Optimizations

Here is a summary of the main points of this article:
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Type-Driven Object Spread Assignments: TypeScript 5.0 introduces an updated syntax for object spread assignments that uses type information to determine the resulting object’s shape. This feature is backward compatible with previous versions of TypeScript.
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Smarter Type Alias Preservation: The updated version of TypeScript improves type alias preservation to ensure that type aliases are preserved when possible. This enhancement should improve the quality of generated declaration files.
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Breaking Changes: TypeScript 5.0 includes some breaking changes that may require developers to update their code. These changes include stricter checking of imports, more strict checks for duplicate property declarations, and changes to the inference behavior for bind and call.
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Improved JSX Support: TypeScript 5.0 includes improved support for JSX syntax, including better inference for createElement calls and improved JSX.IntrinsicElements interface for defining element attributes.
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Speed Improvements: The revised version of TypeScript includes several performance improvements, including faster type checking for large projects, faster declaration file generation, and faster parsing of large files.
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Overall, TypeScript 5.0 includes several enhanced features and performance improvements that should make the language more efficient and easier to use. However, developers should be aware of the breaking changes and ensure that their code is compatible with the upgraded version before upgrading.

Please convince me to use TypeScript xD

I used it from 2 years ago, so strong languague