v2.22.0

Minor Changes

• 179e2ea: Upgrade to latest hono

Important

To make the typing works correctly, in your react-router.config.ts or where you want, add future v8_middleware flag type to true.

declare module "react-router" {
 interface Future {
   v8_middleware: true; // 👈 Enable middleware types
 }
}

Or in your react-router.config.ts:

future: {
     v8_middleware: true,
 },

Dependency upgrades

• Bumped Hono stack:
  • hono -> 4.10.3
  • @hono/node-server -> 1.19.5
  • @hono/vite-dev-server -> 0.23.0
• React / Router:
  • react -> 19.2.0
  • react-dom -> 19.2.0
  • react-router -> 7.9.4
  • @react-router/dev -> 7.9.4 (examples updated)

API / Typing changes (important for consumers)

• React Router middleware typing changed from the unstable names to stable-like names:
  • unstable_RouterContextProvider -> RouterContextProvider
  • unstable_createContext -> createContext
  • Update imports and usage where middleware context/provider was previously unstable_*.
• To enable middleware types in consumers, declare the future flag:
  • Add v8_middleware: true to your react-router.config.ts (or declare module augmentation) — README and example updated with guidance.
• If you override getLoadContext for middleware, return the new RouterContextProvider (formerly unstable_RouterContextProvider).

Breaking / required changes for consumers

• Node engine requirement increased:
  • package.json engines: node >= 22.20.0
• If you rely on unstable_RouterContextProvider / unstable_createContext, update to RouterContextProvider / createContext and ensure you enable v8_middleware typing as described.
• Example projects and README were updated; follow those examples when upgrading.

Documentation

• README updated with:
  • Middleware typing guidance and examples.
  • Migration notes for getLoadContext changes.
• Examples updated in examples/node/simple-future-middleware to reflect new imports, config, and dependency versions.