feat: LiveQuery self-iterability#15878
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elliott-with-the-longest-name-on-github merged 11 commits intoMay 22, 2026
Merged
feat: LiveQuery self-iterability#15878elliott-with-the-longest-name-on-github merged 11 commits into
elliott-with-the-longest-name-on-github merged 11 commits into
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🦋 Changeset detectedLatest commit: 78b9dba The changes in this PR will be included in the next version bump. This PR includes changesets to release 1 package
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Rich-Harris
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Co-authored-by: Rich Harris <richard.a.harris@gmail.com>
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Rich-Harris
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this interface no longer does anything
…oxy.js Co-authored-by: Rich Harris <richard.a.harris@gmail.com>
…oxy.js Co-authored-by: Rich Harris <richard.a.harris@gmail.com>
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would still prefer to get rid of the get_or_create_shared_live_iterator indirection, a la #15888 or a variant that uses a Map instead of a Record, but this LGTM
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This PR was opened by the [Changesets release](https://github.com/changesets/action) GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated. # Releases ## @sveltejs/kit@2.61.0 ### Minor Changes - breaking: the `.run()` method has been removed from remote queries on both the client and the server. Use `await query()` directly instead — it now works everywhere ([#15779](#15779)) - feat: remote queries can now be awaited in any context (event handlers, module scope, async callbacks), not just inside reactive contexts. The cache is shared across reactive and non-reactive subscribers, so awaiting a query in an event handler will dedupe with components that have already subscribed to the same query. ([#15779](#15779)) - feat: live query instances are now themselves async-iterable ([#15878](#15878)) - feat: add programmatic `submit` method to `form` remote function instances ([#15657](#15657)) - feat: pass `form` remote function instance into `enhance` callback ([#15657](#15657)) ### Patch Changes - fix: resolve the app payload without using `process.env.NODE_ENV` ([#15852](#15852)) - fix: support `exactOptionalPropertyTypes` for optional route params ([#15825](#15825)) - fix: correctly send `true` value to the server for 'submit' and 'hidden' form fields ([#15858](#15858)) - fix: avoid build warnings about undefined universal hooks ([#15895](#15895)) - fix: prefer default error page when failing to decode the URL pathname ([#15744](#15744)) - fix: disable link prefetching on slow internet connections ([#15885](#15885)) - fix: allow routes ending with optional parameters next to more specific routes ([#15861](#15861)) - fix: remove reliance on Content-Length header in deserialize_binary_form, which caused failures when proxies (e.g. Vercel, Azure) strip the header and use chunked transfer encoding ([#15796](#15796)) Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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## Summary - Bumps deps (commit c861d37). - Adapts the codebase to API changes that landed in SvelteKit 2.61: - **RemoteForm enhance callback** ([kit#15657](sveltejs/kit#15657)): the callback now receives the form instance directly. The old `form` field on the callback arg is gone; the underlying `HTMLFormElement` is now `element`. Migrated `konto/+page.svelte` (changeName, changeEmail, changePassword) and `admin/[username]/+page.svelte` (updateUserName, updateUserEmail). - **Calendar prop drop**: bits-ui's Calendar no longer accepts the `slotCount` prop. Removed the unused derived value and prop pass in `BookingPage.svelte`. Other SvelteKit changes reviewed but no code changes needed here: - [kit#15779](sveltejs/kit#15779) (isomorphic query caching, `.run` removal): we don't call `.run` anywhere. - [kit#15878](sveltejs/kit#15878) (LiveQuery self-iterability): additive; existing `await live` pattern still works. - [kit#15802](sveltejs/kit#15802) (hidden/submit accept numbers/booleans): no `as('hidden'|'submit')` call sites today. - [kit#15653](sveltejs/kit#15653) (warn on unread validation issues): every form already renders `fields.allIssues()`. ## Test plan - [x] `pnpm check` — 0 errors / 0 warnings - [x] `pnpm test` — 55 unit tests passed, 36 e2e tests passed
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Deprecates
.runand makes LiveQueries iterable themselves. LiveQueries now share a cache between instances and new subscriptions to that cache will join the in progress stream of values.