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feat(react-query): add 'QueryStrictMode' - #12059

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DogPawHat wants to merge 16 commits into

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feat/query-strict-mode

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feat(react-query): add 'QueryStrictMode'#12059
DogPawHat wants to merge 16 commits into
mainfrom
feat/query-strict-mode

Commits on Oct 20, 2026
- feat(react-query): add 'QueryStrictMode' to report missing and unused prefetches in development
  
  DogPawHat
  and
  claude
  committed
  6859b04
- chore(changeset): add a minor changeset for 'QueryStrictMode'
  
  DogPawHat
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  claude
  committed
  e86a0fd
- feat(react-query): report missing prefetches of non-suspense queries in 'QueryStrictMode'
  
  DogPawHat
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  claude
  committed
  f0c4609
- test(react-query): add failing tests for unused prefetches that 'QueryStrictMode' misses
  
  DogPawHat
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  claude
  committed
  c392d54
- test(react-query): rewrite 'QueryStrictMode' tests for a single 'handler' prop
  
  DogPawHat
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  claude
  committed
  a6579d9
- feat(react-query): replace 'logger' and 'throwOn...' with a single 'handler' in 'QueryStrictMode'
  
  DogPawHat
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  claude
  committed
  04d864f
- fix(react-query): track prefetches from the first render of 'QueryStrictMode'
  
  DogPawHat
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  claude
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  7e03344
- docs(react-query): document what a throwing 'QueryStrictModeHandler' does
  
  DogPawHat
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  claude
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  ba1f559
- test(react-query): remove type tests for 'QueryStrictMode' props that never shipped
  
  DogPawHat
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  claude
  committed
  8f74628
- test(react-query): make 'QueryStrictMode' tests cover StrictMode remounts, timer resumption and nested readers
  
  DogPawHat
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  claude
  committed
  0963b42
- test(react-query): add failing tests for sibling 'QueryStrictMode's that share a 'QueryClient'
  
  DogPawHat
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  claude
  committed
  062c8f1
- fix(react-query): share used and checked prefetches between 'QueryStrictMode's of the same cache
  
  DogPawHat
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  claude
  committed
  8cd6097
- test(react-query): remove redundant 'QueryStrictMode' tests
  
  DogPawHat
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  claude
  committed
  e399015
- perf(react-query): keep 'QueryStrictMode' checks out of production bundles
  
  DogPawHat
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  claude
  committed
  b4a85c1
- feat(react-query): throw a 'QueryStrictModeError' from the default 'QueryStrictMode' handler
  
  DogPawHat
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  claude
  committed
  70383e3
- docs(react-query): remove blank line before '@example' in 'QueryStrictModeError' JSDoc
  
  DogPawHat
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  claude
  committed
  161d880

Commits

Commits on Oct 20, 2026