Files
langgraphjs/libs/langgraph-api
github-actions[bot] 3dccad1391 chore: version packages (#2603)
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
## @langchain/langgraph-api@1.4.3

### Patch Changes

- Updated dependencies []:
  - @langchain/langgraph-ui@1.4.3
## @langchain/langgraph-cli@1.4.3

### Patch Changes

- [#2595](https://github.com/langchain-ai/langgraphjs/pull/2595)
[`dac8c2f`](https://github.com/langchain-ai/langgraphjs/commit/dac8c2fa7edfd643aa393a1d6407759b6cd8acf4)
Thanks [@christian-bromann](https://github.com/christian-bromann)! -
chore: bump langsmith to ^0.8.0

- Updated dependencies []:
  - @langchain/langgraph-api@1.4.3
## @langchain/langgraph@1.4.8

### Patch Changes

- [#2604](https://github.com/langchain-ai/langgraphjs/pull/2604)
[`42ec394`](https://github.com/langchain-ai/langgraphjs/commit/42ec39460bfe0c3be017fb043c668c3204c8a175)
Thanks [@hntrl](https://github.com/hntrl)! - fix(pregel): wait for
completed-superstep persistence with sync durability

- Updated dependencies
[[`f326b89`](https://github.com/langchain-ai/langgraphjs/commit/f326b89365043bfa846e0b428564bcafafab4aaa),
[`c201256`](https://github.com/langchain-ai/langgraphjs/commit/c201256b27d55c9aa333d3d15f6ec16c2fd7de9b)]:
  - @langchain/langgraph-sdk@1.9.26
## @langchain/langgraph-sdk@1.9.26

### Patch Changes

- [#2605](https://github.com/langchain-ai/langgraphjs/pull/2605)
[`f326b89`](https://github.com/langchain-ai/langgraphjs/commit/f326b89365043bfa846e0b428564bcafafab4aaa)
Thanks [@christian-bromann](https://github.com/christian-bromann)! -
fix(sdk): keep SSE reconnect enabled with custom fetch

Auth/proxy fetch shims previously forced `maxReconnectAttempts: 0`, so
HITL waits that lost `/stream/events` (e.g. `ERR_QUIC_PROTOCOL_ERROR`)
never recovered and left `respond()`/`submit()` spinning. Fail-fast test
mocks should pass `maxReconnectAttempts: 0` explicitly. Also plumbs
reconnect options through framework `useStream` bindings.

- [#2602](https://github.com/langchain-ai/langgraphjs/pull/2602)
[`c201256`](https://github.com/langchain-ai/langgraphjs/commit/c201256b27d55c9aa333d3d15f6ec16c2fd7de9b)
Thanks [@HugoDurand](https://github.com/HugoDurand)! - fix(sdk): support
clearing a cron's end time via `crons.update(cronId, { endTime: null })`

`CronsClient.update` now accepts `endTime: null` to clear a previously
set cron end time; omitting `endTime` still leaves it unchanged. The
field was typed `string`, so callers could not express "clear" even
though the request already forwards an explicit `null`.
## @langchain/angular@1.0.27

### Patch Changes

- [#2605](https://github.com/langchain-ai/langgraphjs/pull/2605)
[`f326b89`](https://github.com/langchain-ai/langgraphjs/commit/f326b89365043bfa846e0b428564bcafafab4aaa)
Thanks [@christian-bromann](https://github.com/christian-bromann)! -
fix(sdk): keep SSE reconnect enabled with custom fetch

Auth/proxy fetch shims previously forced `maxReconnectAttempts: 0`, so
HITL waits that lost `/stream/events` (e.g. `ERR_QUIC_PROTOCOL_ERROR`)
never recovered and left `respond()`/`submit()` spinning. Fail-fast test
mocks should pass `maxReconnectAttempts: 0` explicitly. Also plumbs
reconnect options through framework `useStream` bindings.

- Updated dependencies
[[`f326b89`](https://github.com/langchain-ai/langgraphjs/commit/f326b89365043bfa846e0b428564bcafafab4aaa),
[`c201256`](https://github.com/langchain-ai/langgraphjs/commit/c201256b27d55c9aa333d3d15f6ec16c2fd7de9b)]:
  - @langchain/langgraph-sdk@1.9.26
## @langchain/react@1.0.27

### Patch Changes

- [#2605](https://github.com/langchain-ai/langgraphjs/pull/2605)
[`f326b89`](https://github.com/langchain-ai/langgraphjs/commit/f326b89365043bfa846e0b428564bcafafab4aaa)
Thanks [@christian-bromann](https://github.com/christian-bromann)! -
fix(sdk): keep SSE reconnect enabled with custom fetch

Auth/proxy fetch shims previously forced `maxReconnectAttempts: 0`, so
HITL waits that lost `/stream/events` (e.g. `ERR_QUIC_PROTOCOL_ERROR`)
never recovered and left `respond()`/`submit()` spinning. Fail-fast test
mocks should pass `maxReconnectAttempts: 0` explicitly. Also plumbs
reconnect options through framework `useStream` bindings.

- Updated dependencies
[[`f326b89`](https://github.com/langchain-ai/langgraphjs/commit/f326b89365043bfa846e0b428564bcafafab4aaa),
[`c201256`](https://github.com/langchain-ai/langgraphjs/commit/c201256b27d55c9aa333d3d15f6ec16c2fd7de9b)]:
  - @langchain/langgraph-sdk@1.9.26
## @langchain/svelte@1.0.27

### Patch Changes

- [#2605](https://github.com/langchain-ai/langgraphjs/pull/2605)
[`f326b89`](https://github.com/langchain-ai/langgraphjs/commit/f326b89365043bfa846e0b428564bcafafab4aaa)
Thanks [@christian-bromann](https://github.com/christian-bromann)! -
fix(sdk): keep SSE reconnect enabled with custom fetch

Auth/proxy fetch shims previously forced `maxReconnectAttempts: 0`, so
HITL waits that lost `/stream/events` (e.g. `ERR_QUIC_PROTOCOL_ERROR`)
never recovered and left `respond()`/`submit()` spinning. Fail-fast test
mocks should pass `maxReconnectAttempts: 0` explicitly. Also plumbs
reconnect options through framework `useStream` bindings.

- Updated dependencies
[[`f326b89`](https://github.com/langchain-ai/langgraphjs/commit/f326b89365043bfa846e0b428564bcafafab4aaa),
[`c201256`](https://github.com/langchain-ai/langgraphjs/commit/c201256b27d55c9aa333d3d15f6ec16c2fd7de9b)]:
  - @langchain/langgraph-sdk@1.9.26
## @langchain/vue@1.0.27

### Patch Changes

- [#2605](https://github.com/langchain-ai/langgraphjs/pull/2605)
[`f326b89`](https://github.com/langchain-ai/langgraphjs/commit/f326b89365043bfa846e0b428564bcafafab4aaa)
Thanks [@christian-bromann](https://github.com/christian-bromann)! -
fix(sdk): keep SSE reconnect enabled with custom fetch

Auth/proxy fetch shims previously forced `maxReconnectAttempts: 0`, so
HITL waits that lost `/stream/events` (e.g. `ERR_QUIC_PROTOCOL_ERROR`)
never recovered and left `respond()`/`submit()` spinning. Fail-fast test
mocks should pass `maxReconnectAttempts: 0` explicitly. Also plumbs
reconnect options through framework `useStream` bindings.

- Updated dependencies
[[`f326b89`](https://github.com/langchain-ai/langgraphjs/commit/f326b89365043bfa846e0b428564bcafafab4aaa),
[`c201256`](https://github.com/langchain-ai/langgraphjs/commit/c201256b27d55c9aa333d3d15f6ec16c2fd7de9b)]:
  - @langchain/langgraph-sdk@1.9.26
## @langchain/langgraph-ui@1.4.3

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
2026-07-14 21:47:29 -07:00
..
2026-07-14 21:47:29 -07:00
2025-02-05 01:22:24 +01:00
2026-07-14 21:47:29 -07:00
2025-07-03 14:21:00 +02:00

LangGraph.js API

In-memory implementation of the LangGraph.js API.

Tests

  1. Build the latest code changes to test: pnpm build
  2. Start a local server: pnpm dev
  3. Run the tests: pnpm test