husky 9.1.7 + lint-staged 16.2.3 vs lefthook 1.13.6 on a 40-file prettier pre-commit: local-bin medians 478 ms vs 615 ms (~1.29x); npx path 651 ms vs 765 ms; install 283 ms vs 256 ms.
dprint 0.60.1 vs Prettier 3.9.9 on 180 files (120 JS + 40 JSON + 20 MD, 38925 B pristine): write medians 514 ms vs 1586 ms; check 455 ms vs 1313 ms. Output 44805 vs 45285 B. All 120 JS files differed on arrow-param parentheses under these defaults.
Biome 2.5.15 check vs ESLint 9.39.4 + Prettier 3.8.4 on react-hook-form (317 files): 0.41 s vs 18.7 s sequential stack (ESLint 13.58 s, Prettier check 5.22 s). migrate eslint: 54/476 direct, ~50% covered. Biome 200 errors/427 warnings vs ESLint 0/562; 9 format diffs; 287 noExplicitAny from recommended.
oxfmt 0.72.0 (5 Oct 2026) swaps its Prettier-backed Markdown path for the native oxc_formatter_markdown (breaking). ShopperCove formatted 221 Markdown drafts with oxfmt 0.71.0, 0.72.0 and Prettier 3.9.9: byte-identical output, ~2 s vs ~16 ms. Plus opt-in import sorting inside code fences, the documented divergences, ignore-file and LSP fixes. No affiliate links.