release-2026-10-15-0754

Release 2026-10-15 07:54

## Changes

### Fix

- query-core: preserve union narrowing in setQueryData updaters (#11935) (0f15bc925) by @sviat-barbutsa
- examples/svelte/playground: keep unsaved edits out of the query cache and apply the 'staleTime' and 'gcTime' inputs (#11986) (9cce26005) by @sukvvon
- examples/react/eslint-plugin-demo: pass the dependencies as arguments so the 'allowlist' demo is checked by 'exhaustive-deps' (#12012) (5959fdb80) by @sukvvon
- examples/react/playground: keep only the edited fields as local state and apply the initial query defaults on creation (#11985) (6a4bfe519) by @sukvvon
- examples/vue/dependent-queries: replace 'enabled' with 'skipToken' to type the author query (#12010) (fa49ddde3) by @sukvvon
- examples/svelte/star-wars: type route params with 'PageProps' instead of 'page.params' (#12009) (8818228c5) by @sukvvon
- vue-query-devtools: update client when prop changes (#11413) (67705fd6a) by @grzdev
- query-persist-client-core/createPersister: await 'storage.setItem' when persisting a query (#11410) (ed4d84973) by @MaxFreedomPollard

### Refactor

- examples/lit/ssr: replace the deprecated 'prefetchQuery' with 'query' in the server render (#11992) (a8af0e243) by @sukvvon
- examples/react/batching: rename the parsed 'ids' in 'onChange' to 'parsedIds' to avoid shadowing the state (#12013) (e3e6b466a) by @sukvvon
- examples/react/suspense: share the project queries between prefetching and 'useSuspenseQuery' with 'queryOptions' (#11990) (fd814043d) by @sukvvon
- examples/react/nextjs: share the posts query between 'getStaticProps' and 'usePosts' with 'queryOptions' (#11989) (1aeece38a) by @sukvvon
- examples/svelte/ssr: share the post queries between 'load' and components with 'queryOptions' (#11988) (542a6f03e) by @sukvvon
- examples/lit/ssr: replace the 'satisfies CreateQueryOptions' annotation with 'queryOptions' (#11987) (06dbbd8ae) by @sukvvon
- examples/react: move 'QueryClient' into '_app' with 'React.useState' (#11993) (0a3dfa0f0) by @sukvvon

### Chore

- examples/svelte/playground: add a flat config and run 'test:eslint' (#12029) (a21e17b5e) by @sukvvon
- examples/react: add the missing 'react' prefix to package names (#12028) (eea734d16) by @sukvvon
- examples/vue: add 'test:types' to type-check the examples in CI (#12022) (8b48d0253) by @sukvvon
- examples/react: add 'test:types' to type-check the examples in CI (#12020) (98451e1b3) by @sukvvon
- examples/svelte: add 'test:types' to type-check the examples in CI (#12019) (682e00144) by @sukvvon
- examples/solid: add 'test:types' to type-check the examples in CI and move 'astro check' out of 'build' (#12018) (e26971ebf) by @sukvvon
- examples/lit: move the type check from 'build' to 'test:types' (#12017) (6768f4e0b) by @sukvvon
- examples/preact: add 'test:types' to type-check the example in CI (#12016) (dc90144cd) by @sukvvon
- examples/angular: add 'test:types' to type-check the examples in CI (#12015) (c87cdcb96) by @sukvvon
- nx.json: build the dependencies before 'test:types' (#12021) (8d88a1725) by @sukvvon
- examples/react/playground: replace the legacy '.eslintrc' with a flat config and run 'test:eslint' (#12011) (d5b265a54) by @sukvvon
- examples: use 'defineConfig' from 'eslint/config' and enable '@ts-check' in 'eslint.config.js' (#12008) (ddcde7d5a) by @sukvvon
- examples/vue: add a flat config and run 'test:eslint' (#12003) (41c178b28) by @sukvvon
- examples/svelte: add a flat config and run 'test:eslint' (#12002) (0fbbc6213) by @sukvvon
- examples/react: replace the legacy '.eslintrc' with a flat config and run 'test:eslint' (#11995) (1836f7924) by @sukvvon
- deps: update '@typescript-eslint/parser' and '@typescript-eslint/rule-tester' catalog to '^8.71.1' (#11996) (668847f1a) by @sukvvon
- examples/react/eslint-legacy: add 'plugin:@typescript-eslint/recommended' and declare the packages used by '.eslintrc' (#11994) (70c652b8e) by @sukvvon
- examples/react: remove the 'eslint' option that Next.js 16 no longer supports from 'next.config.js' (#11991) (1ea892863) by @sukvvon
- deps: update '@types/node' to '^24.19.2' to match Node 24 in '.nvmrc' (#11978) (d2f053638) by @sukvvon
- .nvmrc: update Node to 'v24.21.0' (Krypton LTS) (#11979) (4968f16e7) by @sukvvon


## Packages

- @tanstack/angular-query-experimental@5.104.3
- @tanstack/eslint-plugin-query@5.104.3
- @tanstack/lit-query@0.2.28
- @tanstack/preact-query@5.104.3
- @tanstack/preact-query-devtools@5.104.3
- @tanstack/preact-query-persist-client@5.104.3
- @tanstack/query-async-storage-persister@5.104.3
- @tanstack/query-broadcast-client-experimental@5.104.3
- @tanstack/query-core@5.104.3
- @tanstack/query-devtools@5.104.3
- @tanstack/query-persist-client-core@5.104.3
- @tanstack/query-sync-storage-persister@5.104.3
- @tanstack/react-query@5.104.3
- @tanstack/react-query-devtools@5.104.3
- @tanstack/react-query-next-experimental@5.104.3
- @tanstack/react-query-persist-client@5.104.3
- @tanstack/solid-query@5.104.3
- @tanstack/solid-query-devtools@5.104.3
- @tanstack/solid-query-persist-client@5.104.3
- @tanstack/svelte-query@6.3.3
- @tanstack/svelte-query-devtools@6.3.3
- @tanstack/svelte-query-persist-client@6.3.3
- @tanstack/vue-query@5.104.3
- @tanstack/vue-query-devtools@6.3.3