@tanstack/svelte-query@6.1.42

TanStack/query@tanstack/svelte-query@6.1.42Aug 24, 2026by github-actions[bot]

AI Summary

This release contains critical bug fixes for Svelte Query to prevent crashes and ensure correct initialization and state filtering.

Key Highlights

Fixed createQueries crash on multiple deletions from reactive arrays
Fixed createQueries not initializing when given an empty array
Fixed useMutationState filtering to remove stale mutations

Full Release Notes

### Patch Changes

-   [#10892](https://github.com/TanStack/query/pull/10892) [`cafd540`](https://github.com/TanStack/query/commit/cafd540c02f78be260198c4e84d054390c02c6b8) - Fix `createQueries` crashing with `TypeError: 'deleteProperty' on proxy: trap returned falsish for property 'N'` when two or more items were removed from its reactive array in the same update.

-   [#11127](https://github.com/TanStack/query/pull/11127) [`320ed25`](https://github.com/TanStack/query/commit/320ed25caca4e219b53f778c59cbb380543a21f4) - Fix `createQueries` staying inactive when it is initialized with an empty `queries` array.

-   [#11153](https://github.com/TanStack/query/pull/11153) [`250050d`](https://github.com/TanStack/query/commit/250050d863d33fbc881c6e342c104d510403a9e1) - fix(svelte-query): remove mutations that no longer match the filter in `useMutationState`