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TypeScript 2.8: Mapped Type Modifiers

With TypeScript 2.8, mapped types have gained the ability to add or remove a particular modifier from a property. Previously, it was only possible to add modifiers to properties, but not remove them.








TypeScript 2.7: Numeric Separators

TypeScript 2.7 brought support for numeric separators. Within a numeric literal, you can now group digits by putting an underscore between them.


TypeScript 2.6: JSX Fragment Syntax

TypeScript 2.6 added support for JSX fragments. Within .tsx files, you can now use the new <>...</> syntax to create a fragment.


TypeScript 2.5: Optional catch Binding

TypeScript 2.5 implemented the optional catch binding proposal, which changes the ECMAScript grammar to allow for the omission of the variable binding within a catch clause.

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