diff --git a/docs/framework/react/start/getting-started.md b/docs/framework/react/start/getting-started.md
index ccb6085f5a..9ad16980ca 100644
--- a/docs/framework/react/start/getting-started.md
+++ b/docs/framework/react/start/getting-started.md
@@ -282,7 +282,7 @@ function Home() {
     <button
       type="button"
       onClick={() => {
-        updateCount(1).then(() => {
+        updateCount({ data: 1 }).then(() => {
           router.invalidate()
         })
       }}
diff --git a/docs/framework/react/start/server-functions.md b/docs/framework/react/start/server-functions.md
index 16d590956e..cdca2cbcae 100644
--- a/docs/framework/react/start/server-functions.md
+++ b/docs/framework/react/start/server-functions.md
@@ -81,9 +81,11 @@ import { createServerFn } from '@tanstack/start'
 
 export const greet = createServerFn({
   method: 'GET',
-}).handler(async (ctx) => {
-  return `Hello, ${ctx.data}!`
 })
+  .validator((data: string) => data)
+  .handler(async (ctx) => {
+    return `Hello, ${ctx.data}!`
+  })
 
 greet({
   data: 'John',
@@ -117,7 +119,7 @@ export const greet = createServerFn({ method: 'GET' })
       throw new Error('Person must be an object')
     }
 
-    if (typeof person.name !== 'string') {
+    if ('name' in person && typeof person.name !== 'string') {
       throw new Error('Person.name must be a string')
     }
 
@@ -142,7 +144,6 @@ const Person = z.object({
 })
 
 export const greet = createServerFn({ method: 'GET' })
-  .validator(zodValidator)
   .validator((person: unknown) => {
     return Person.parse(person)
   })
@@ -174,7 +175,7 @@ export const greet = createServerFn({ method: 'GET' })
       throw new Error('Person must be an object')
     }
 
-    if (typeof person.name !== 'string') {
+    if ('name' in person && typeof person.name !== 'string') {
       throw new Error('Person.name must be a string')
     }
 
@@ -257,11 +258,11 @@ type Person = {
   age: number
 }
 
-export const greet = createServerFn({ method: 'GET' }).handler(
-  async ({ data }) => {
+export const greet = createServerFn({ method: 'GET' })
+  .validator((data) => data)
+  .handler(async ({ data }) => {
     return `Hello, ${data.name}! You are ${data.age} years old.`
-  },
-)
+  })
 
 greet({
   data: {
diff --git a/e2e/start/basic/app/routeTree.gen.ts b/e2e/start/basic/app/routeTree.gen.ts
index 059009361c..5668aecde4 100644
--- a/e2e/start/basic/app/routeTree.gen.ts
+++ b/e2e/start/basic/app/routeTree.gen.ts
@@ -13,6 +13,7 @@
 import { Route as rootRoute } from './routes/__root'
 import { Route as UsersImport } from './routes/users'
 import { Route as StatusImport } from './routes/status'
+import { Route as ServerFnsImport } from './routes/server-fns'
 import { Route as SearchParamsImport } from './routes/search-params'
 import { Route as RedirectImport } from './routes/redirect'
 import { Route as PostsImport } from './routes/posts'
@@ -42,6 +43,12 @@ const StatusRoute = StatusImport.update({
   getParentRoute: () => rootRoute,
 } as any)
 
+const ServerFnsRoute = ServerFnsImport.update({
+  id: '/server-fns',
+  path: '/server-fns',
+  getParentRoute: () => rootRoute,
+} as any)
+
 const SearchParamsRoute = SearchParamsImport.update({
   id: '/search-params',
   path: '/search-params',
@@ -170,6 +177,13 @@ declare module '@tanstack/react-router' {
       preLoaderRoute: typeof SearchParamsImport
       parentRoute: typeof rootRoute
     }
+    '/server-fns': {
+      id: '/server-fns'
+      path: '/server-fns'
+      fullPath: '/server-fns'
+      preLoaderRoute: typeof ServerFnsImport
+      parentRoute: typeof rootRoute
+    }
     '/status': {
       id: '/status'
       path: '/status'
@@ -301,6 +315,7 @@ export interface FileRoutesByFullPath {
   '/posts': typeof PostsRouteWithChildren
   '/redirect': typeof RedirectRoute
   '/search-params': typeof SearchParamsRoute
+  '/server-fns': typeof ServerFnsRoute
   '/status': typeof StatusRoute
   '/users': typeof UsersRouteWithChildren
   '/posts/$postId': typeof PostsPostIdRoute
@@ -318,6 +333,7 @@ export interface FileRoutesByTo {
   '/deferred': typeof DeferredRoute
   '/redirect': typeof RedirectRoute
   '/search-params': typeof SearchParamsRoute
+  '/server-fns': typeof ServerFnsRoute
   '/status': typeof StatusRoute
   '/posts/$postId': typeof PostsPostIdRoute
   '/users/$userId': typeof UsersUserIdRoute
@@ -336,6 +352,7 @@ export interface FileRoutesById {
   '/posts': typeof PostsRouteWithChildren
   '/redirect': typeof RedirectRoute
   '/search-params': typeof SearchParamsRoute
+  '/server-fns': typeof ServerFnsRoute
   '/status': typeof StatusRoute
   '/users': typeof UsersRouteWithChildren
   '/_layout/_layout-2': typeof LayoutLayout2RouteWithChildren
@@ -357,6 +374,7 @@ export interface FileRouteTypes {
     | '/posts'
     | '/redirect'
     | '/search-params'
+    | '/server-fns'
     | '/status'
     | '/users'
     | '/posts/$postId'
@@ -373,6 +391,7 @@ export interface FileRouteTypes {
     | '/deferred'
     | '/redirect'
     | '/search-params'
+    | '/server-fns'
     | '/status'
     | '/posts/$postId'
     | '/users/$userId'
@@ -389,6 +408,7 @@ export interface FileRouteTypes {
     | '/posts'
     | '/redirect'
     | '/search-params'
+    | '/server-fns'
     | '/status'
     | '/users'
     | '/_layout/_layout-2'
@@ -409,6 +429,7 @@ export interface RootRouteChildren {
   PostsRoute: typeof PostsRouteWithChildren
   RedirectRoute: typeof RedirectRoute
   SearchParamsRoute: typeof SearchParamsRoute
+  ServerFnsRoute: typeof ServerFnsRoute
   StatusRoute: typeof StatusRoute
   UsersRoute: typeof UsersRouteWithChildren
   PostsPostIdDeepRoute: typeof PostsPostIdDeepRoute
@@ -421,6 +442,7 @@ const rootRouteChildren: RootRouteChildren = {
   PostsRoute: PostsRouteWithChildren,
   RedirectRoute: RedirectRoute,
   SearchParamsRoute: SearchParamsRoute,
+  ServerFnsRoute: ServerFnsRoute,
   StatusRoute: StatusRoute,
   UsersRoute: UsersRouteWithChildren,
   PostsPostIdDeepRoute: PostsPostIdDeepRoute,
@@ -442,6 +464,7 @@ export const routeTree = rootRoute
         "/posts",
         "/redirect",
         "/search-params",
+        "/server-fns",
         "/status",
         "/users",
         "/posts_/$postId/deep"
@@ -472,6 +495,9 @@ export const routeTree = rootRoute
     "/search-params": {
       "filePath": "search-params.tsx"
     },
+    "/server-fns": {
+      "filePath": "server-fns.tsx"
+    },
     "/status": {
       "filePath": "status.tsx"
     },
diff --git a/e2e/start/basic/app/routes/server-fns.tsx b/e2e/start/basic/app/routes/server-fns.tsx
new file mode 100644
index 0000000000..31626b82b6
--- /dev/null
+++ b/e2e/start/basic/app/routes/server-fns.tsx
@@ -0,0 +1,124 @@
+import * as React from 'react'
+import { createFileRoute } from '@tanstack/react-router'
+import { createServerFn } from '@tanstack/start'
+
+export const Route = createFileRoute('/server-fns')({
+  component: RouteComponent,
+})
+
+function RouteComponent() {
+  return (
+    <>
+      <ConsistentServerFnCalls />
+    </>
+  )
+}
+
+// START CONSISTENT_SERVER_FN_CALLS
+const cons_getFn1 = createServerFn()
+  .validator((d: { username: string }) => d)
+  .handler(async ({ data }) => {
+    return { payload: data }
+  })
+
+const cons_serverGetFn1 = createServerFn()
+  .validator((d: { username: string }) => d)
+  .handler(({ data }) => {
+    return cons_getFn1({ data })
+  })
+
+const cons_postFn1 = createServerFn({ method: 'POST' })
+  .validator((d: { username: string }) => d)
+  .handler(async ({ data }) => {
+    return { payload: data }
+  })
+
+const cons_serverPostFn1 = createServerFn({ method: 'POST' })
+  .validator((d: { username: string }) => d)
+  .handler(({ data }) => {
+    return cons_postFn1({ data })
+  })
+
+/**
+ * This component checks whether the returned payloads from server function
+ * are the same, regardless of whether the server function is called directly
+ * from the client or from within the server function.
+ * @link https://github.com/TanStack/router/issues/1866
+ * @link https://github.com/TanStack/router/issues/2481
+ */
+function ConsistentServerFnCalls() {
+  const [getServerResult, setGetServerResult] = React.useState({})
+  const [getDirectResult, setGetDirectResult] = React.useState({})
+
+  const [postServerResult, setPostServerResult] = React.useState({})
+  const [postDirectResult, setPostDirectResult] = React.useState({})
+
+  return (
+    <div className="p-2 border m-2 grid gap-2">
+      <h3>Consistent Server Fn GET Calls</h3>
+      <p>
+        This component checks whether the returned payloads from server function
+        are the same, regardless of whether the server function is called
+        directly from the client or from within the server function.
+      </p>
+      <div>
+        It should return{' '}
+        <code>
+          <pre data-testid="expected-consistent-server-fns-result">
+            {JSON.stringify({ payload: { username: 'TEST' } })}
+          </pre>
+        </code>
+      </div>
+      <p>
+        {`GET: cons_getFn1 called from server cons_serverGetFn1 returns`}
+        <br />
+        <span data-testid="cons_serverGetFn1-response">
+          {JSON.stringify(getServerResult)}
+        </span>
+      </p>
+      <p>
+        {`GET: cons_getFn1 called directly returns`}
+        <br />
+        <span data-testid="cons_getFn1-response">
+          {JSON.stringify(getDirectResult)}
+        </span>
+      </p>
+      <p>
+        {`POST: cons_postFn1 called from cons_serverPostFn1 returns`}
+        <br />
+        <span data-testid="cons_serverPostFn1-response">
+          {JSON.stringify(postServerResult)}
+        </span>
+      </p>
+      <p>
+        {`POST: cons_postFn1 called directly returns`}
+        <br />
+        <span data-testid="cons_postFn1-response">
+          {JSON.stringify(postDirectResult)}
+        </span>
+      </p>
+      <button
+        data-testid="test-consistent-server-fn-calls-btn"
+        type="button"
+        className="rounded-md bg-white px-2.5 py-1.5 text-sm font-semibold text-gray-900 shadow-sm ring-1 ring-inset ring-gray-300 hover:bg-gray-50"
+        onClick={() => {
+          // GET calls
+          cons_serverGetFn1({ data: { username: 'TEST' } }).then(
+            setGetServerResult,
+          )
+          cons_getFn1({ data: { username: 'TEST' } }).then(setGetDirectResult)
+
+          // POST calls
+          cons_serverPostFn1({ data: { username: 'TEST' } }).then(
+            setPostServerResult,
+          )
+          cons_postFn1({ data: { username: 'TEST' } }).then(setPostDirectResult)
+        }}
+      >
+        Test Consistent server function responses
+      </button>
+    </div>
+  )
+}
+
+// END CONSISTENT_SERVER_FN_CALLS
diff --git a/e2e/start/basic/tests/app.spec.ts b/e2e/start/basic/tests/app.spec.ts
index addd6913ce..58af4a5b19 100644
--- a/e2e/start/basic/tests/app.spec.ts
+++ b/e2e/start/basic/tests/app.spec.ts
@@ -101,3 +101,33 @@ test('invoking a server function with custom response status code', async ({
   })
   await requestPromise
 })
+
+test('Consistent server function returns both on client and server for GET and POST calls', async ({
+  page,
+}) => {
+  await page.goto('/server-fns')
+
+  await page.waitForLoadState('networkidle')
+  const expected =
+    (await page
+      .getByTestId('expected-consistent-server-fns-result')
+      .textContent()) || ''
+  expect(expected).not.toBe('')
+
+  await page.getByTestId('test-consistent-server-fn-calls-btn').click()
+  await page.waitForLoadState('networkidle')
+
+  // GET calls
+  await expect(page.getByTestId('cons_serverGetFn1-response')).toContainText(
+    expected,
+  )
+  await expect(page.getByTestId('cons_getFn1-response')).toContainText(expected)
+
+  // POST calls
+  await expect(page.getByTestId('cons_serverPostFn1-response')).toContainText(
+    expected,
+  )
+  await expect(page.getByTestId('cons_postFn1-response')).toContainText(
+    expected,
+  )
+})
diff --git a/examples/react/authenticated-routes/package.json b/examples/react/authenticated-routes/package.json
index b0ede1e50e..d862414cea 100644
--- a/examples/react/authenticated-routes/package.json
+++ b/examples/react/authenticated-routes/package.json
@@ -9,8 +9,8 @@
     "start": "vite"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/basic-default-search-params/package.json b/examples/react/basic-default-search-params/package.json
index ffdf22e125..28d36b6106 100644
--- a/examples/react/basic-default-search-params/package.json
+++ b/examples/react/basic-default-search-params/package.json
@@ -10,8 +10,8 @@
   },
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "redaxios": "^0.5.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/basic-file-based-codesplitting/package.json b/examples/react/basic-file-based-codesplitting/package.json
index 0886779093..e95e6504be 100644
--- a/examples/react/basic-file-based-codesplitting/package.json
+++ b/examples/react/basic-file-based-codesplitting/package.json
@@ -9,8 +9,8 @@
     "start": "vite"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/basic-file-based/package.json b/examples/react/basic-file-based/package.json
index f956b27d53..da0773c431 100644
--- a/examples/react/basic-file-based/package.json
+++ b/examples/react/basic-file-based/package.json
@@ -9,8 +9,8 @@
     "start": "vite"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/basic-react-query-file-based/package.json b/examples/react/basic-react-query-file-based/package.json
index 80f0fd7752..b0e6802dba 100644
--- a/examples/react/basic-react-query-file-based/package.json
+++ b/examples/react/basic-react-query-file-based/package.json
@@ -11,8 +11,8 @@
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
     "@tanstack/react-query-devtools": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/basic-react-query/package.json b/examples/react/basic-react-query/package.json
index 9f9cd8db40..f4292f9cad 100644
--- a/examples/react/basic-react-query/package.json
+++ b/examples/react/basic-react-query/package.json
@@ -11,8 +11,8 @@
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
     "@tanstack/react-query-devtools": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "redaxios": "^0.5.1"
diff --git a/examples/react/basic-ssr-file-based/package.json b/examples/react/basic-ssr-file-based/package.json
index 479963bb0b..ce8dd9b6e0 100644
--- a/examples/react/basic-ssr-file-based/package.json
+++ b/examples/react/basic-ssr-file-based/package.json
@@ -11,10 +11,10 @@
     "debug": "node --inspect-brk server"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
-    "@tanstack/start": "^1.81.9",
+    "@tanstack/start": "^1.81.11",
     "get-port": "^7.1.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/basic-ssr-streaming-file-based/package.json b/examples/react/basic-ssr-streaming-file-based/package.json
index 9cce14a794..b6058ea13d 100644
--- a/examples/react/basic-ssr-streaming-file-based/package.json
+++ b/examples/react/basic-ssr-streaming-file-based/package.json
@@ -11,10 +11,10 @@
     "debug": "node --inspect-brk server"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
-    "@tanstack/start": "^1.81.9",
+    "@tanstack/start": "^1.81.11",
     "get-port": "^7.1.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/basic-virtual-file-based/package.json b/examples/react/basic-virtual-file-based/package.json
index 94d5975398..ad0283885d 100644
--- a/examples/react/basic-virtual-file-based/package.json
+++ b/examples/react/basic-virtual-file-based/package.json
@@ -9,8 +9,8 @@
     "start": "vite"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "@tanstack/virtual-file-routes": "^1.81.9",
     "react": "^18.2.0",
diff --git a/examples/react/basic-virtual-inside-file-based/package.json b/examples/react/basic-virtual-inside-file-based/package.json
index aa9bb18f1e..894c1fc775 100644
--- a/examples/react/basic-virtual-inside-file-based/package.json
+++ b/examples/react/basic-virtual-inside-file-based/package.json
@@ -9,8 +9,8 @@
     "start": "vite"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "@tanstack/virtual-file-routes": "^1.81.9",
     "react": "^18.2.0",
diff --git a/examples/react/basic/package.json b/examples/react/basic/package.json
index 03531bd45d..a5191eeb9a 100644
--- a/examples/react/basic/package.json
+++ b/examples/react/basic/package.json
@@ -9,8 +9,8 @@
     "start": "vite"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "redaxios": "^0.5.1"
diff --git a/examples/react/deferred-data/package.json b/examples/react/deferred-data/package.json
index b9b01710e0..a5e96467d8 100644
--- a/examples/react/deferred-data/package.json
+++ b/examples/react/deferred-data/package.json
@@ -9,8 +9,8 @@
     "start": "vite"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "redaxios": "^0.5.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/kitchen-sink-file-based/package.json b/examples/react/kitchen-sink-file-based/package.json
index 3678e88a4e..81fccee352 100644
--- a/examples/react/kitchen-sink-file-based/package.json
+++ b/examples/react/kitchen-sink-file-based/package.json
@@ -9,8 +9,8 @@
     "start": "vite"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "immer": "^10.1.1",
     "react": "^18.2.0",
diff --git a/examples/react/kitchen-sink-react-query-file-based/package.json b/examples/react/kitchen-sink-react-query-file-based/package.json
index 38f5b3da72..4d1bce1bc9 100644
--- a/examples/react/kitchen-sink-react-query-file-based/package.json
+++ b/examples/react/kitchen-sink-react-query-file-based/package.json
@@ -11,8 +11,8 @@
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
     "@tanstack/react-query-devtools": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "immer": "^10.1.1",
     "react": "^18.2.0",
diff --git a/examples/react/kitchen-sink-react-query/package.json b/examples/react/kitchen-sink-react-query/package.json
index f918e1aefb..f8ac500a54 100644
--- a/examples/react/kitchen-sink-react-query/package.json
+++ b/examples/react/kitchen-sink-react-query/package.json
@@ -11,8 +11,8 @@
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
     "@tanstack/react-query-devtools": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "redaxios": "^0.5.1",
     "immer": "^10.1.1",
     "react": "^18.2.0",
diff --git a/examples/react/kitchen-sink/package.json b/examples/react/kitchen-sink/package.json
index 0e813b61a2..0eed4fd717 100644
--- a/examples/react/kitchen-sink/package.json
+++ b/examples/react/kitchen-sink/package.json
@@ -9,8 +9,8 @@
     "start": "vite"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "redaxios": "^0.5.1",
     "immer": "^10.1.1",
     "react": "^18.2.0",
diff --git a/examples/react/large-file-based/package.json b/examples/react/large-file-based/package.json
index d17a753dd6..684681cc43 100644
--- a/examples/react/large-file-based/package.json
+++ b/examples/react/large-file-based/package.json
@@ -12,8 +12,8 @@
   },
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/location-masking/package.json b/examples/react/location-masking/package.json
index 0ff7eef68f..f733d971cb 100644
--- a/examples/react/location-masking/package.json
+++ b/examples/react/location-masking/package.json
@@ -11,8 +11,8 @@
   "dependencies": {
     "@radix-ui/react-dialog": "^1.1.2",
     "@tanstack/react-query": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "redaxios": "^0.5.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
diff --git a/examples/react/navigation-blocking/package.json b/examples/react/navigation-blocking/package.json
index f08b31cd9a..4c8aabd203 100644
--- a/examples/react/navigation-blocking/package.json
+++ b/examples/react/navigation-blocking/package.json
@@ -10,8 +10,8 @@
   },
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "redaxios": "^0.5.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
diff --git a/examples/react/quickstart-esbuild-file-based/package.json b/examples/react/quickstart-esbuild-file-based/package.json
index 6156e85386..ed8eb7246e 100644
--- a/examples/react/quickstart-esbuild-file-based/package.json
+++ b/examples/react/quickstart-esbuild-file-based/package.json
@@ -9,8 +9,8 @@
     "start": "dev"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/quickstart-file-based/package.json b/examples/react/quickstart-file-based/package.json
index 4982ae24b5..a06e0af224 100644
--- a/examples/react/quickstart-file-based/package.json
+++ b/examples/react/quickstart-file-based/package.json
@@ -9,8 +9,8 @@
     "start": "vite"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/quickstart-rspack-file-based/package.json b/examples/react/quickstart-rspack-file-based/package.json
index dbeefe0abb..278223e6ef 100644
--- a/examples/react/quickstart-rspack-file-based/package.json
+++ b/examples/react/quickstart-rspack-file-based/package.json
@@ -8,8 +8,8 @@
     "preview": "rsbuild preview"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "react": "^18.3.1",
     "react-dom": "^18.3.1"
   },
diff --git a/examples/react/quickstart-webpack-file-based/package.json b/examples/react/quickstart-webpack-file-based/package.json
index 5a6df180d8..5218559d2f 100644
--- a/examples/react/quickstart-webpack-file-based/package.json
+++ b/examples/react/quickstart-webpack-file-based/package.json
@@ -7,8 +7,8 @@
     "build": "webpack build && tsc --noEmit"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "react": "^18.3.1",
     "react-dom": "^18.3.1"
   },
diff --git a/examples/react/quickstart/package.json b/examples/react/quickstart/package.json
index 504211a995..6ce9485a2b 100644
--- a/examples/react/quickstart/package.json
+++ b/examples/react/quickstart/package.json
@@ -9,8 +9,8 @@
     "start": "vite"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
   },
diff --git a/examples/react/router-monorepo-react-query/package.json b/examples/react/router-monorepo-react-query/package.json
index 4a36562ebb..3eb2fb6670 100644
--- a/examples/react/router-monorepo-react-query/package.json
+++ b/examples/react/router-monorepo-react-query/package.json
@@ -12,8 +12,8 @@
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
     "@tanstack/react-query-devtools": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/router-monorepo-react-query/packages/app/package.json b/examples/react/router-monorepo-react-query/packages/app/package.json
index 7d7036908b..ac21cb736d 100644
--- a/examples/react/router-monorepo-react-query/packages/app/package.json
+++ b/examples/react/router-monorepo-react-query/packages/app/package.json
@@ -19,7 +19,7 @@
     "@types/react": "^18.2.47",
     "@types/react-dom": "^18.2.18",
     "@vitejs/plugin-react": "^4.3.3",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/router-devtools": "^1.81.10",
     "typescript": "5.6.2",
     "vite": "^5.4.11",
     "vite-plugin-dts": "^4.3.0"
diff --git a/examples/react/router-monorepo-react-query/packages/router/package.json b/examples/react/router-monorepo-react-query/packages/router/package.json
index feacba0b8f..d00bacd0a5 100644
--- a/examples/react/router-monorepo-react-query/packages/router/package.json
+++ b/examples/react/router-monorepo-react-query/packages/router/package.json
@@ -9,7 +9,7 @@
   "types": "./dist/index.d.ts",
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "@router-mono-react-query/post-query": "workspace:*",
     "redaxios": "^0.5.1",
diff --git a/examples/react/router-monorepo-simple/package.json b/examples/react/router-monorepo-simple/package.json
index 45916eb0ef..5ce5e953c1 100644
--- a/examples/react/router-monorepo-simple/package.json
+++ b/examples/react/router-monorepo-simple/package.json
@@ -8,8 +8,8 @@
     "dev": "pnpm router build && pnpm post-feature build && pnpm app dev"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/router-monorepo-simple/packages/app/package.json b/examples/react/router-monorepo-simple/packages/app/package.json
index ed217da263..1f5558786d 100644
--- a/examples/react/router-monorepo-simple/packages/app/package.json
+++ b/examples/react/router-monorepo-simple/packages/app/package.json
@@ -18,7 +18,7 @@
     "@types/react": "^18.2.47",
     "@types/react-dom": "^18.2.18",
     "@vitejs/plugin-react": "^4.3.3",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/router-devtools": "^1.81.10",
     "typescript": "5.6.2",
     "vite": "^5.4.11",
     "vite-plugin-dts": "^4.3.0"
diff --git a/examples/react/router-monorepo-simple/packages/router/package.json b/examples/react/router-monorepo-simple/packages/router/package.json
index f559f39e32..65f29d1922 100644
--- a/examples/react/router-monorepo-simple/packages/router/package.json
+++ b/examples/react/router-monorepo-simple/packages/router/package.json
@@ -8,7 +8,7 @@
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "redaxios": "^0.5.1",
     "zod": "^3.23.8",
diff --git a/examples/react/scroll-restoration/package.json b/examples/react/scroll-restoration/package.json
index 4e078138f2..873be7bbc9 100644
--- a/examples/react/scroll-restoration/package.json
+++ b/examples/react/scroll-restoration/package.json
@@ -9,9 +9,9 @@
     "start": "vite"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
     "@tanstack/react-virtual": "^3.10.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/router-devtools": "^1.81.10",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
   },
diff --git a/examples/react/search-validator-adapters/package.json b/examples/react/search-validator-adapters/package.json
index 02f841293b..9953293e5f 100644
--- a/examples/react/search-validator-adapters/package.json
+++ b/examples/react/search-validator-adapters/package.json
@@ -11,12 +11,12 @@
   },
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/arktype-adapter": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/arktype-adapter": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
-    "@tanstack/valibot-adapter": "^1.81.9",
-    "@tanstack/zod-adapter": "^1.81.9",
+    "@tanstack/valibot-adapter": "^1.81.10",
+    "@tanstack/zod-adapter": "^1.81.10",
     "arktype": "2.0.0-rc.23",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/examples/react/start-basic-auth/package.json b/examples/react/start-basic-auth/package.json
index 918a3bbd17..74b7060ba4 100644
--- a/examples/react/start-basic-auth/package.json
+++ b/examples/react/start-basic-auth/package.json
@@ -11,9 +11,9 @@
   },
   "dependencies": {
     "@prisma/client": "5.22.0",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
-    "@tanstack/start": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
+    "@tanstack/start": "^1.81.11",
     "dotenv": "^16.4.5",
     "prisma": "^5.22.0",
     "react": "^18.3.1",
diff --git a/examples/react/start-basic-react-query/package.json b/examples/react/start-basic-react-query/package.json
index b27b937b83..4136666a2e 100644
--- a/examples/react/start-basic-react-query/package.json
+++ b/examples/react/start-basic-react-query/package.json
@@ -11,10 +11,10 @@
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
     "@tanstack/react-query-devtools": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/react-router-with-query": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
-    "@tanstack/start": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/react-router-with-query": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
+    "@tanstack/start": "^1.81.11",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "redaxios": "^0.5.1",
diff --git a/examples/react/start-basic-rsc/package.json b/examples/react/start-basic-rsc/package.json
index 5e6097f795..bb21d2ec26 100644
--- a/examples/react/start-basic-rsc/package.json
+++ b/examples/react/start-basic-rsc/package.json
@@ -10,9 +10,9 @@
   },
   "dependencies": {
     "@babel/plugin-syntax-typescript": "^7.25.9",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
-    "@tanstack/start": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
+    "@tanstack/start": "^1.81.11",
     "redaxios": "^0.5.1",
     "tailwind-merge": "^2.5.4",
     "vinxi": "0.4.3"
diff --git a/examples/react/start-basic/package.json b/examples/react/start-basic/package.json
index 15d13d877f..2357cb619b 100644
--- a/examples/react/start-basic/package.json
+++ b/examples/react/start-basic/package.json
@@ -9,9 +9,9 @@
     "start": "vinxi start"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
-    "@tanstack/start": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
+    "@tanstack/start": "^1.81.11",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "redaxios": "^0.5.1",
diff --git a/examples/react/start-clerk-basic/package.json b/examples/react/start-clerk-basic/package.json
index a64aa15ba0..afbd392e86 100644
--- a/examples/react/start-clerk-basic/package.json
+++ b/examples/react/start-clerk-basic/package.json
@@ -10,9 +10,9 @@
   },
   "dependencies": {
     "@clerk/tanstack-start": "0.4.25",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
-    "@tanstack/start": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
+    "@tanstack/start": "^1.81.11",
     "dotenv": "^16.4.5",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
diff --git a/examples/react/start-convex-trellaux/package.json b/examples/react/start-convex-trellaux/package.json
index b1cee0f273..99d7eb6b82 100644
--- a/examples/react/start-convex-trellaux/package.json
+++ b/examples/react/start-convex-trellaux/package.json
@@ -13,10 +13,10 @@
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
     "@tanstack/react-query-devtools": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/react-router-with-query": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
-    "@tanstack/start": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/react-router-with-query": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
+    "@tanstack/start": "^1.81.11",
     "@convex-dev/react-query": "0.0.0-alpha.8",
     "concurrently": "^8.2.2",
     "convex": "^1.17.0",
diff --git a/examples/react/start-counter/package.json b/examples/react/start-counter/package.json
index 346f692069..d11a66363d 100644
--- a/examples/react/start-counter/package.json
+++ b/examples/react/start-counter/package.json
@@ -9,8 +9,8 @@
     "start": "vinxi start"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/start": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/start": "^1.81.11",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "vinxi": "0.4.3"
diff --git a/examples/react/start-supabase-basic/package.json b/examples/react/start-supabase-basic/package.json
index 4918de7ae6..7ace3ec8e4 100644
--- a/examples/react/start-supabase-basic/package.json
+++ b/examples/react/start-supabase-basic/package.json
@@ -15,9 +15,9 @@
   "dependencies": {
     "@supabase/ssr": "^0.5.2",
     "@supabase/supabase-js": "^2.46.1",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
-    "@tanstack/start": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
+    "@tanstack/start": "^1.81.11",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "vinxi": "0.4.3"
diff --git a/examples/react/start-trellaux/package.json b/examples/react/start-trellaux/package.json
index 9a8f6851bd..b3e293c843 100644
--- a/examples/react/start-trellaux/package.json
+++ b/examples/react/start-trellaux/package.json
@@ -11,10 +11,10 @@
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
     "@tanstack/react-query-devtools": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/react-router-with-query": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
-    "@tanstack/start": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/react-router-with-query": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
+    "@tanstack/start": "^1.81.11",
     "ky": "^1.7.2",
     "msw": "^2.6.4",
     "react": "^18.3.1",
diff --git a/examples/react/with-framer-motion/package.json b/examples/react/with-framer-motion/package.json
index 16ece3ce79..b9014fca98 100644
--- a/examples/react/with-framer-motion/package.json
+++ b/examples/react/with-framer-motion/package.json
@@ -9,8 +9,8 @@
     "start": "vite"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "redaxios": "^0.5.1",
     "framer-motion": "^11.11.11",
     "react": "^18.2.0",
diff --git a/examples/react/with-trpc-react-query/package.json b/examples/react/with-trpc-react-query/package.json
index 98464ada52..3fd48e951d 100644
--- a/examples/react/with-trpc-react-query/package.json
+++ b/examples/react/with-trpc-react-query/package.json
@@ -10,8 +10,8 @@
   "dependencies": {
     "@tanstack/react-query": "^5.59.20",
     "@tanstack/react-query-devtools": "^5.59.20",
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "@trpc/client": "11.0.0-rc.630",
     "@trpc/react-query": "11.0.0-rc.630",
diff --git a/examples/react/with-trpc/package.json b/examples/react/with-trpc/package.json
index be48cce3d4..59a30f1fcf 100644
--- a/examples/react/with-trpc/package.json
+++ b/examples/react/with-trpc/package.json
@@ -8,8 +8,8 @@
     "start": "vinxi start"
   },
   "dependencies": {
-    "@tanstack/react-router": "^1.81.9",
-    "@tanstack/router-devtools": "^1.81.9",
+    "@tanstack/react-router": "^1.81.10",
+    "@tanstack/router-devtools": "^1.81.10",
     "@tanstack/router-plugin": "^1.81.9",
     "@trpc/client": "11.0.0-rc.630",
     "@trpc/server": "11.0.0-rc.630",
diff --git a/packages/arktype-adapter/package.json b/packages/arktype-adapter/package.json
index 6a38635637..2898f09b5a 100644
--- a/packages/arktype-adapter/package.json
+++ b/packages/arktype-adapter/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/arktype-adapter",
-  "version": "1.81.9",
+  "version": "1.81.10",
   "description": "Modern and scalable routing for React applications",
   "author": "Tanner Linsley",
   "license": "MIT",
diff --git a/packages/create-router/package.json b/packages/create-router/package.json
index 6f65c44c67..0238e9dbcc 100644
--- a/packages/create-router/package.json
+++ b/packages/create-router/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/create-router",
-  "version": "1.81.9",
+  "version": "1.81.10",
   "description": "Modern and scalable routing for React applications",
   "author": "Tanner Linsley",
   "license": "MIT",
diff --git a/packages/react-router-with-query/package.json b/packages/react-router-with-query/package.json
index dd0166bbd0..469a985008 100644
--- a/packages/react-router-with-query/package.json
+++ b/packages/react-router-with-query/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/react-router-with-query",
-  "version": "1.81.9",
+  "version": "1.81.10",
   "description": "Modern and scalable routing for React applications",
   "author": "Tanner Linsley",
   "license": "MIT",
diff --git a/packages/react-router/package.json b/packages/react-router/package.json
index 543354ed06..7c946a9f87 100644
--- a/packages/react-router/package.json
+++ b/packages/react-router/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/react-router",
-  "version": "1.81.9",
+  "version": "1.81.10",
   "description": "Modern and scalable routing for React applications",
   "author": "Tanner Linsley",
   "license": "MIT",
diff --git a/packages/router-devtools/package.json b/packages/router-devtools/package.json
index 31d6e9c507..13bd3a2cc4 100644
--- a/packages/router-devtools/package.json
+++ b/packages/router-devtools/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/router-devtools",
-  "version": "1.81.9",
+  "version": "1.81.10",
   "description": "Modern and scalable routing for React applications",
   "author": "Tanner Linsley",
   "license": "MIT",
diff --git a/packages/start/package.json b/packages/start/package.json
index 23ed85f85c..4ba73c1650 100644
--- a/packages/start/package.json
+++ b/packages/start/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/start",
-  "version": "1.81.9",
+  "version": "1.81.11",
   "description": "Modern and scalable routing for React applications",
   "author": "Tanner Linsley",
   "license": "MIT",
diff --git a/packages/start/src/client-runtime/fetcher.tsx b/packages/start/src/client-runtime/fetcher.tsx
index e7c0773564..ab46f9ee45 100644
--- a/packages/start/src/client-runtime/fetcher.tsx
+++ b/packages/start/src/client-runtime/fetcher.tsx
@@ -55,7 +55,10 @@ export async function fetcher(
             body:
               type === 'formData'
                 ? first.data
-                : (defaultTransformer.stringify(first.data ?? null) as any),
+                : (defaultTransformer.stringify({
+                    data: first.data ?? null,
+                    context: first.context,
+                  }) as any),
           }
         : {}),
     })
diff --git a/packages/start/src/client/createMiddleware.ts b/packages/start/src/client/createMiddleware.ts
index 300b68a740..2351d9c532 100644
--- a/packages/start/src/client/createMiddleware.ts
+++ b/packages/start/src/client/createMiddleware.ts
@@ -235,14 +235,7 @@ export type ClientResultWithContext<TServerContext, TClientContext> = {
   headers: HeadersInit
 }
 
-export type AnyMiddleware = MiddlewareTypes<
-  any,
-  any,
-  AnyValidator,
-  any,
-  any,
-  any
->
+export type AnyMiddleware = MiddlewareTypes<any, any, any, any, any, any>
 
 export interface MiddlewareTypes<
   TId,
diff --git a/packages/start/src/client/createServerFn.ts b/packages/start/src/client/createServerFn.ts
index 4cb9a99bdc..565cc1960a 100644
--- a/packages/start/src/client/createServerFn.ts
+++ b/packages/start/src/client/createServerFn.ts
@@ -153,6 +153,10 @@ export function createServerFn<
     TValidator
   >
 
+  if (typeof resolvedOptions.method === 'undefined') {
+    resolvedOptions.method = 'GET' as TMethod
+  }
+
   return {
     options: resolvedOptions as any,
     middleware: (middleware) => {
diff --git a/packages/start/src/server-handler/index.tsx b/packages/start/src/server-handler/index.tsx
index 732b3ad789..c85cb9fe6b 100644
--- a/packages/start/src/server-handler/index.tsx
+++ b/packages/start/src/server-handler/index.tsx
@@ -58,7 +58,7 @@ export async function handleServerRequest(request: Request, _event?: H3Event) {
         ) {
           // We don't support GET requests with FormData payloads... that seems impossible
           invariant(
-            method.toLowerCase() === 'get',
+            method.toLowerCase() !== 'get',
             'GET requests with FormData payloads are not supported',
           )
 
@@ -79,7 +79,8 @@ export async function handleServerRequest(request: Request, _event?: H3Event) {
         }
 
         // For non-form, non-get
-        return await request.json()
+        const jsonPayloadAsString = await request.text()
+        return defaultTransformer.parse(jsonPayloadAsString)
       })()
 
       const result = await action(arg)
diff --git a/packages/valibot-adapter/package.json b/packages/valibot-adapter/package.json
index da9a4b44a4..d652a481c0 100644
--- a/packages/valibot-adapter/package.json
+++ b/packages/valibot-adapter/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/valibot-adapter",
-  "version": "1.81.9",
+  "version": "1.81.10",
   "description": "Modern and scalable routing for React applications",
   "author": "Tanner Linsley",
   "license": "MIT",
diff --git a/packages/zod-adapter/package.json b/packages/zod-adapter/package.json
index 9c0ebf63fd..11ca9cf7a4 100644
--- a/packages/zod-adapter/package.json
+++ b/packages/zod-adapter/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/zod-adapter",
-  "version": "1.81.9",
+  "version": "1.81.10",
   "description": "Modern and scalable routing for React applications",
   "author": "Tanner Linsley",
   "license": "MIT",