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We cut our monorepo type-checking time from ~74s to ~24s by upgrading to @typescriptlang.org 7, and removed the CI memory flags we previously needed.

If you're considering the upgrade, we cover the migration steps, compatibility gotchas, and what to expect from real-world performance. pris.ly/ts-7

prisma.ioTypeScript 7 Native Compiler: 3x Faster Type Checks in a Real MonorepoTypeScript 7 ships the compiler as a native Go port. We migrated a large TypeScript monorepo to it: whole-repo type checking went from ~74s to ~24s with no memory tuning. Here are the numbers, the exact config diffs, the sharp edges, and who should migrate now.

27/7/26, 12:57 pm0 reposts0 likes

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