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Inconsistent `select` behaviour for non-enumerable / symbol properties.

1

### Describe the bug When `select` returns an object with non-enumerable / symbol keys, those entries are dropped after `queryClient.setQueryData` is called,, but not at initial query. ### Your minimal,...

ycmjason

refactor(angular-query): injectMutationState use signal sandwich pattern

5

## 🎯 Changes ## ✅ Checklist - [x] I have followed the steps in the [Contributing guide](https://github.com/TanStack/query/blob/main/CONTRIBUTING.md). - [x] I have tested this code locally with `pnpm run test:pr`. ##...

arnoud-dv

Race condition causing hydration error when streaming with server components

8

### Describe the bug I'm following the guidance [here](https://tanstack.com/query/v5/docs/framework/react/guides/advanced-ssr#streaming-with-server-components) to implement streaming with server components. I'm prefetching data like so (note, no await): ``` const streamingQueryClient = getQueryClient(); streamingQueryClient.prefetchQuery({ queryKey:...

brettpostin

Performance: dehydrate() + persistence triggered on every cache update — severe blocking with large cache

1

### Describe the bug When using PersistQueryClientProvider with a large cache (≥5,000 queries), each setQueryData triggers a full dehydrate() and persistence cycle. This causes noticeable main-thread blocking (1–3 seconds) and...

wandering-sage

Angular query: Optimistic updates are not synchronous

6

### Describe the bug Here's a stackblitz that repro's the issue about 20% of the time (I think it's timing related): https://stackblitz.com/edit/stackblitz-starters-hn17w1mv?file=src%2Fmain.ts,src%2Findex.html If you click "edit" and change the "whatever"...

stevesan

ci: oidc

5

manudeli

feat: attempt to always re-suspend

6

DO NOT MERGE

TkDodo

upd(vue-query): Improve queryOptions() type

3

## 🎯 Changes I changed UseQueryOptions and its derivatives UndefinedInitialQueryOptions / DefinedInitialQueryOptions to have base non-ref cases to later differentiate them in queryOptions function. I don't think I can foresee...

Serpentarius13

Is React Query incompatible with React Actions/Transitions/`useOptimistic`?

1

In [this reduced test case](https://codesandbox.io/p/sandbox/react-dev-forked-lhxlvx?file=%2Fsrc%2FApp.js) I'm seeing some odd behaviour when combining React Query with React Actions/Transitions and `useOptimistic`. - We have a query that returns a count, starting at...

OliverJAsh

### Describe the bug It is possible to add a persister (I'm using the experimental_createQueryPersister) to the QueryClient via defaultOptions as follows: ``` export const queryClient = new QueryClient({ defaultOptions:...

sgcullen