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The `using` keyword eliminates resource leak footguns in production TypeScript. Learn how to implement disposable database connections, file handles, and async cleanup patterns that replace brittle try/finally blocks.

TypeScript 6.0's parallel declaration emit removes the sequential bottleneck that adds minutes to monorepo builds. This post measures the actual performance difference and shows what changes in your build pipeline.

Generic default types eliminate boilerplate and prevent runtime crashes in component libraries. Learn how to use this TypeScript feature to build cleaner, safer APIs.