TypeScript 5.5 RC introduces new Set methods like union, intersection, and difference for Set operations. Regular expression checking is made more lenient with improved performance optimizations, smaller disk and packed sizes.
Monomorphization work done for TypeScript language service boosts performance. Overall package size reduced significantly from 30.2 MB to 20.4 MB disk footprint and from 5.5 MB to 3.7 MB packed size.
#typescript-55 #set-methods #performance-optimizations #regular-expression-checking #package-size-reduction
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