diff --git a/packages/eslint-plugin-query/src/__tests__/no-void-query-fn.test.ts b/packages/eslint-plugin-query/src/__tests__/no-void-query-fn.test.ts
index c136a2582c0..e26c21de8f6 100644
--- a/packages/eslint-plugin-query/src/__tests__/no-void-query-fn.test.ts
+++ b/packages/eslint-plugin-query/src/__tests__/no-void-query-fn.test.ts
@@ -162,6 +162,59 @@ ruleTester.run('no-void-query-fn', rule, {
         }
       `,
     },
+    {
+      name: 'useInfiniteQuery queryFn returns a value',
+      code: normalizeIndent`
+        import { useInfiniteQuery } from '@tanstack/react-query'
+
+        function Component() {
+          const query = useInfiniteQuery({
+            queryKey: ['test'],
+            queryFn: ({ pageParam }) => ({ data: 'test', page: pageParam }),
+            initialPageParam: 0,
+            getNextPageParam: (lastPage) => undefined,
+          })
+          return null
+        }
+      `,
+    },
+    {
+      name: 'useSuspenseQuery queryFn returns a value',
+      code: normalizeIndent`
+        import { useSuspenseQuery } from '@tanstack/react-query'
+
+        function Component() {
+          const query = useSuspenseQuery({
+            queryKey: ['test'],
+            queryFn: () => ({ data: 'test' }),
+          })
+          return null
+        }
+      `,
+    },
+    {
+      name: 'queryOptions queryFn returns a value',
+      code: normalizeIndent`
+        import { queryOptions } from '@tanstack/react-query'
+
+        const options = queryOptions({
+          queryKey: ['test'],
+          queryFn: () => ({ data: 'test' }),
+        })
+      `,
+    },
+    {
+      name: 'fetchQuery queryFn returns a value',
+      code: normalizeIndent`
+        import { QueryClient } from '@tanstack/react-query'
+
+        const queryClient = new QueryClient()
+        queryClient.fetchQuery({
+          queryKey: ['test'],
+          queryFn: () => fetch('/api/test').then((r) => r.json()),
+        })
+      `,
+    },
   ],
   invalid: [
     {
@@ -321,5 +374,70 @@ ruleTester.run('no-void-query-fn', rule, {
       `,
       errors: [{ messageId: 'noVoidReturn' }],
     },
+    {
+      name: 'useInfiniteQuery queryFn returns void',
+      code: normalizeIndent`
+        import { useInfiniteQuery } from '@tanstack/react-query'
+
+        function Component() {
+          const query = useInfiniteQuery({
+            queryKey: ['test'],
+            queryFn: async ({ pageParam }) => {
+              await fetch('/api/test?page=' + pageParam)
+            },
+            initialPageParam: 0,
+            getNextPageParam: (lastPage) => undefined,
+          })
+          return null
+        }
+      `,
+      errors: [{ messageId: 'noVoidReturn' }],
+    },
+    {
+      name: 'useSuspenseQuery queryFn returns void',
+      code: normalizeIndent`
+        import { useSuspenseQuery } from '@tanstack/react-query'
+
+        function Component() {
+          const query = useSuspenseQuery({
+            queryKey: ['test'],
+            queryFn: () => {
+              console.log('fetching')
+            },
+          })
+          return null
+        }
+      `,
+      errors: [{ messageId: 'noVoidReturn' }],
+    },
+    {
+      name: 'queryOptions queryFn returns void',
+      code: normalizeIndent`
+        import { queryOptions } from '@tanstack/react-query'
+
+        const options = queryOptions({
+          queryKey: ['test'],
+          queryFn: async () => {
+            await fetch('/api/test')
+          },
+        })
+      `,
+      errors: [{ messageId: 'noVoidReturn' }],
+    },
+    {
+      name: 'fetchQuery queryFn returns void',
+      code: normalizeIndent`
+        import { QueryClient } from '@tanstack/react-query'
+
+        const queryClient = new QueryClient()
+        queryClient.fetchQuery({
+          queryKey: ['test'],
+          queryFn: async () => {
+            await fetch('/api/test')
+          },
+        })
+      `,
+      errors: [{ messageId: 'noVoidReturn' }],
+    },
   ],
 })
diff --git a/packages/preact-query/src/__tests__/useSuspenseQueries.test.tsx b/packages/preact-query/src/__tests__/useSuspenseQueries.test.tsx
index 5445fa95b0d..8fa4072c69c 100644
--- a/packages/preact-query/src/__tests__/useSuspenseQueries.test.tsx
+++ b/packages/preact-query/src/__tests__/useSuspenseQueries.test.tsx
@@ -1078,6 +1078,74 @@ describe('useSuspenseQueries 2', () => {
     expect(queryFn1).toHaveBeenCalledTimes(0)
   })
 
+  it('should not suspend and only refetch the stale query when one query has stale and the other has fresh cached data', async () => {
+    const key1 = queryKey()
+    const key2 = queryKey()
+
+    queryClient.setQueryData(key1, 'cached1')
+    queryClient.setQueryData(key2, 'cached2')
+
+    // Advance past staleTime (min 1000ms in suspense) so key1 becomes stale before mount
+    vi.advanceTimersByTime(1000)
+
+    // Make key2 fresh again by resetting its data
+    queryClient.setQueryData(key2, 'cached2')
+
+    const queryFn2 = vi.fn(() => sleep(20).then(() => 'data2'))
+
+    function Page() {
+      const [result1, result2] = useSuspenseQueries({
+        queries: [
+          {
+            queryKey: key1,
+            queryFn: () => sleep(10).then(() => 'data1'),
+          },
+          {
+            queryKey: key2,
+            queryFn: queryFn2,
+          },
+        ],
+      })
+
+      return (
+        <div>
+          <div>data1: {result1.data}</div>
+          <div>data2: {result2.data}</div>
+        </div>
+      )
+    }
+
+    const rendered = renderWithClient(
+      queryClient,
+      <Suspense fallback={<div>loading</div>}>
+        <Page />
+      </Suspense>,
+    )
+
+    // No suspend, cached data shown immediately
+    expect(rendered.getByText('data1: cached1')).toBeInTheDocument()
+    expect(rendered.getByText('data2: cached2')).toBeInTheDocument()
+
+    // key2 is fresh, no refetch
+    expect(queryFn2).toHaveBeenCalledTimes(0)
+
+    // key1 background refetch completes
+    await vi.advanceTimersByTimeAsync(11)
+
+    expect(rendered.getByText('data1: data1')).toBeInTheDocument()
+    expect(rendered.getByText('data2: cached2')).toBeInTheDocument()
+
+    // key2 is still fresh, no refetch triggered
+    expect(queryFn2).toHaveBeenCalledTimes(0)
+
+    // after key1 refetch completes, key2 is still fresh with no refetch triggered
+    await vi.advanceTimersByTimeAsync(10)
+
+    expect(rendered.getByText('data1: data1')).toBeInTheDocument()
+    expect(rendered.getByText('data2: cached2')).toBeInTheDocument()
+    expect(queryFn2).toHaveBeenCalledTimes(0)
+  })
+
   it('should not suspend but refetch when all queries have stale cached data', async () => {
     const key1 = queryKey()
     const key2 = queryKey()
diff --git a/packages/react-query/src/__tests__/useSuspenseQueries.test.tsx b/packages/react-query/src/__tests__/useSuspenseQueries.test.tsx
index 9f114cd94f4..4ebd32ea90b 100644
--- a/packages/react-query/src/__tests__/useSuspenseQueries.test.tsx
+++ b/packages/react-query/src/__tests__/useSuspenseQueries.test.tsx
@@ -1040,7 +1040,7 @@ describe('useSuspenseQueries 2', () => {
     expect(queryFn1).toHaveBeenCalledTimes(0)
 
     // key2 background refetch completes
-    await act(() => vi.advanceTimersByTimeAsync(11))
+    await vi.advanceTimersByTimeAsync(11)
 
     expect(rendered.getByText('data1: cached1')).toBeInTheDocument()
     expect(rendered.getByText('data2: data2')).toBeInTheDocument()
@@ -1049,13 +1049,81 @@ describe('useSuspenseQueries 2', () => {
     expect(queryFn1).toHaveBeenCalledTimes(0)
 
     // after key2 refetch completes, key1 is still fresh with no refetch triggered
-    await act(() => vi.advanceTimersByTimeAsync(10))
+    await vi.advanceTimersByTimeAsync(10)
 
     expect(rendered.getByText('data1: cached1')).toBeInTheDocument()
     expect(rendered.getByText('data2: data2')).toBeInTheDocument()
     expect(queryFn1).toHaveBeenCalledTimes(0)
   })
 
+  it('should not suspend and only refetch the stale query when one query has stale and the other has fresh cached data', async () => {
+    const key1 = queryKey()
+    const key2 = queryKey()
+
+    queryClient.setQueryData(key1, 'cached1')
+    queryClient.setQueryData(key2, 'cached2')
+
+    // Advance past staleTime (min 1000ms in suspense) so key1 becomes stale before mount
+    vi.advanceTimersByTime(1000)
+
+    // Make key2 fresh again by resetting its data
+    queryClient.setQueryData(key2, 'cached2')
+
+    const queryFn2 = vi.fn(() => sleep(20).then(() => 'data2'))
+
+    function Page() {
+      const [result1, result2] = useSuspenseQueries({
+        queries: [
+          {
+            queryKey: key1,
+            queryFn: () => sleep(10).then(() => 'data1'),
+          },
+          {
+            queryKey: key2,
+            queryFn: queryFn2,
+          },
+        ],
+      })
+
+      return (
+        <div>
+          <div>data1: {result1.data}</div>
+          <div>data2: {result2.data}</div>
+        </div>
+      )
+    }
+
+    const rendered = renderWithClient(
+      queryClient,
+      <React.Suspense fallback={<div>loading</div>}>
+        <Page />
+      </React.Suspense>,
+    )
+
+    // No suspend, cached data shown immediately
+    expect(rendered.getByText('data1: cached1')).toBeInTheDocument()
+    expect(rendered.getByText('data2: cached2')).toBeInTheDocument()
+
+    // key2 is fresh, no refetch
+    expect(queryFn2).toHaveBeenCalledTimes(0)
+
+    // key1 background refetch completes
+    await vi.advanceTimersByTimeAsync(11)
+
+    expect(rendered.getByText('data1: data1')).toBeInTheDocument()
+    expect(rendered.getByText('data2: cached2')).toBeInTheDocument()
+
+    // key2 is still fresh, no refetch triggered
+    expect(queryFn2).toHaveBeenCalledTimes(0)
+
+    // after key1 refetch completes, key2 is still fresh with no refetch triggered
+    await vi.advanceTimersByTimeAsync(10)
+
+    expect(rendered.getByText('data1: data1')).toBeInTheDocument()
+    expect(rendered.getByText('data2: cached2')).toBeInTheDocument()
+    expect(queryFn2).toHaveBeenCalledTimes(0)
+  })
+
   it('should not suspend but refetch when all queries have stale cached data', async () => {
     const key1 = queryKey()
     const key2 = queryKey()