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.
oxlint 1.87.0 vs ESLint 9.39.4 on react-hook-form (301 files): 0.09 s vs 9.81 s single-thread (6.02 s with --concurrency auto, 1.10 s warm --cache). @oxlint/migrate ported 42 of 84 rules natively, 80 with JS plugins. 315 vs 562 warnings; seeded test 11/15 native, 13/15 with JS plugins, ESLint 15/15.
typescript-eslint published v8.71.0 on 28 September 2026: new typed rule @typescript-eslint/no-unsafe-enum-assignment (flags plain numbers/unsafe values assigned into enum-typed locations) plus fixes for no-misused-promises, no-unnecessary-type-assertion, unbound-method, and switch-exhaustiveness-check. npm latest confirmed 8.71.0; ShopperCove docs checklist only; pairs with live ESLint 10.12 coverage; no affiliate.
ESLint published v10.12.0 on 2 October 2026 as a minor release: documentation and TypeScript types for SourceCode#getText(), getLoc(), and getRange() now accept tokens and comments (matching runtime behavior), plus multiple rule fixes including astral/Unicode letter handling and autofix edge cases. npm latest confirmed 10.12.0; ShopperCove docs checklist only; no affiliate.