7.15.0 Released: Hack-style pipelines, TypeScript const enums and Rhino target support · Babel

This release enables parsing top-level await (Stage 4 at the May meeting) and transforming ergonomic brand checks for private fields (Stage 4 at the July meeting) by default. There is also now support for the Hack-style pipeline operator. We also improved our TypeScript support, implementing transform support for const enums and namespace aliases, and we expanded our heuristics to add .displayName

[Shisama]

Top-level awaitやオブジェクト内のプライベートプロパティの変換がデフォルトに。TypeScriptのconst enumsとnamespace alias(import Alias = NamespacePのサポート。Hack-style pipeline operatorをサポート。