TypeScript 5.5 brings performance optimizations, reduced package size, and syntax checking improvements for regular expressions, enhancing overall developer experience.
Monomorphization work has been done for the language service, making editor experience and build tools faster using the TypeScript API.
TypeScript 5.5 reduces the overall package size significantly, improving disk footprint and packed size, while enhancing isolatedDeclarations for source code copying.
The new version introduces basic syntax checking on regular expressions, addressing previous issues where regular expressions were skipped, helping find common problems that previously went undiscovered.
#typescript-55 #performance-optimizations #package-size-reduction #regular-expression-checking #ecmascript-modules
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