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langchain

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fix(langchain): review HITL-gated calls that skip `after_model` When another middleware's `after_model` hook runs before `HumanInTheLoopMiddleware` and returns `jump_to="tools"`, HITL's own `after_model` never runs, so a gated call reached the tools node without a review and executed. `after_model` now records the IDs of the gated calls it reviewed or auto-approved. `wrap_tool_call` reviews any gated call that is missing from that record right before it runs, as its own interrupt with the same request and decision shapes, and honors approve, edit, reject and respond. Calls that went through `after_model` are not asked about again. Extends the jump regression test to the order where the jump runs first and covers several unreviewed calls resumed by interrupt ID.

uditstocks:uditstocks/langchain/jump-to-tools-pending-dispatch

6 hours ago

fix(langchain): dispatch only pending tool calls on `jump_to="tools"` A middleware `jump_to="tools"` resolved to a bare edge into the tools node, which received the whole state and re-ran every tool call on the last `AIMessage` in a single task. Calls that already had a `ToolMessage`, such as ones rejected or responded to through `HumanInTheLoopMiddleware`, executed anyway, and interrupts raised inside tools shared one task. The jump now dispatches one `Send` per tool call that has no `ToolMessage` yet, through the same `_pending_tool_call_sends` filter the default model-to-tools edge uses. With nothing pending the jump has no effect and the edge's default routing applies, so a structured response or a final answer still ends the run and a `before_model` jump continues to the model instead of raising "No AIMessage found in input". Adds routing tests for the jump semantics and a HITL regression for the approve, reject and respond decisions from both edge positions.

uditstocks:uditstocks/langchain/jump-to-tools-pending-dispatch

10 hours ago

fix(langchain): run each pending tool call as its own task on jump_to="tools" A jump to "tools" sent the whole state to the tools node as one task, so every call on the last AIMessage ran again, including calls HITL had already rejected, and interrupts raised inside tools shared one ID. The jump now sends one task per call without a ToolMessage, like the normal route, and goes back to the model when nothing is pending. Fixes #40492

fix/jump-to-tools-dispatch

1 day ago

david/ab-3702-integration-langchain

1 day ago

feat(core): accept address inside LangChainTracer

david/ab-3702-integration-langchain

1 day ago

bump pydantic floor for 3.14

ccurme/core/py314-hardening

1 day ago

chore(deps): bump notebook from 7.5.6 to 7.5.7 in /libs/core (#40992) Bumps [notebook](https://github.com/jupyter/notebook) from 7.5.6 to 7.5.7. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/jupyter/notebook/releases">notebook's releases</a>.</em></p> <blockquote> <h2>v7.5.7</h2> <h2>7.5.7</h2> <p>(<a href="https://github.com/jupyter/notebook/compare/@jupyter-notebook/application-extension@7.5.6...af55f111d335315edd9e5eab472c9c1bbbb17b27">Full Changelog</a>)</p> <h3>Maintenance and upkeep improvements</h3> <ul> <li>Pin Node to 22.x in UI tests <a href="https://redirect.github.com/jupyter/notebook/pull/7940">#7940</a> (<a href="https://github.com/jtpio"><code>@jtpio</code></a>)</li> <li>Update to JupyterLab v4.5.8 <a href="https://redirect.github.com/jupyter/notebook/pull/7939">#7939</a> (<a href="https://github.com/jtpio"><code>@jtpio</code></a>)</li> </ul> <h3>Contributors to this release</h3> <p>The following people contributed discussions, new ideas, code and documentation contributions, and review. See <a href="https://github-activity.readthedocs.io/en/latest/use/#how-does-this-tool-define-contributions-in-the-reports">our definition of contributors</a>.</p> <p>(<a href="https://github.com/jupyter/notebook/graphs/contributors?from=2026-04-30&to=2026-06-04&type=c">GitHub contributors page for this release</a>)</p> <p><a href="https://github.com/jtpio"><code>@jtpio</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ajtpio+updated%3A2026-04-30..2026-06-04&type=Issues">activity</a>)</p> </blockquote> </details> <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/jupyter/notebook/blob/@jupyter-notebook/tree@7.5.7/CHANGELOG.md">notebook's changelog</a>.</em></p> <blockquote> <h2>7.5.7</h2> <p>(<a href="https://github.com/jupyter/notebook/compare/@jupyter-notebook/application-extension@7.5.6...af55f111d335315edd9e5eab472c9c1bbbb17b27">Full Changelog</a>)</p> <h3>Maintenance and upkeep improvements</h3> <ul> <li>Pin Node to 22.x in UI tests <a href="https://redirect.github.com/jupyter/notebook/pull/7940">#7940</a> (<a href="https://github.com/jtpio"><code>@jtpio</code></a>)</li> <li>Update to JupyterLab v4.5.8 <a href="https://redirect.github.com/jupyter/notebook/pull/7939">#7939</a> (<a href="https://github.com/jtpio"><code>@jtpio</code></a>)</li> </ul> <h3>Contributors to this release</h3> <p>The following people contributed discussions, new ideas, code and documentation contributions, and review. See <a href="https://github-activity.readthedocs.io/en/latest/use/#how-does-this-tool-define-contributions-in-the-reports">our definition of contributors</a>.</p> <p>(<a href="https://github.com/jupyter/notebook/graphs/contributors?from=2026-04-30&to=2026-06-04&type=c">GitHub contributors page for this release</a>)</p> <p><a href="https://github.com/jtpio"><code>@jtpio</code></a> (<a href="https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ajtpio+updated%3A2026-04-30..2026-06-04&type=Issues">activity</a>)</p>  </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/jupyter/notebook/commit/a25fa5eda09ef85984ddafe4a5def427bf34912b"><code>a25fa5e</code></a> Publish 7.5.7</li> <li><a href="https://github.com/jupyter/notebook/commit/af55f111d335315edd9e5eab472c9c1bbbb17b27"><code>af55f11</code></a> Update to JupyterLab v4.5.8 (<a href="https://redirect.github.com/jupyter/notebook/issues/7939">#7939</a>)</li> <li><a href="https://github.com/jupyter/notebook/commit/1f7059106ebdd038ecd30512295e2d1f77b7d698"><code>1f70591</code></a> Pin Node to 22.x in UI tests to avoid Playwright install hang (<a href="https://redirect.github.com/jupyter/notebook/issues/7940">#7940</a>)</li> <li>See full diff in <a href="https://github.com/jupyter/notebook/compare/@jupyter-notebook/tree@7.5.6...@jupyter-notebook/tree@7.5.7">compare view</a></li> </ul> </details> <br /> [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=notebook&package-manager=uv&previous-version=7.5.6&new-version=7.5.7)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- <details> <summary>Dependabot commands and options</summary> <br /> You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot show <dependency name> ignore conditions` will show all of the ignore conditions of the specified dependency - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) You can disable automated security fix PRs for this repo from the [Security Alerts page](https://github.com/langchain-ai/langchain/network/alerts). </details> Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

master

1 day ago

chore(deps): bump notebook from 7.5.6 to 7.5.7 in /libs/core Bumps [notebook](https://github.com/jupyter/notebook) from 7.5.6 to 7.5.7. - [Release notes](https://github.com/jupyter/notebook/releases) - [Changelog](https://github.com/jupyter/notebook/blob/@jupyter-notebook/tree@7.5.7/CHANGELOG.md) - [Commits](https://github.com/jupyter/notebook/compare/@jupyter-notebook/tree@7.5.6...@jupyter-notebook/tree@7.5.7) --- updated-dependencies: - dependency-name: notebook dependency-version: 7.5.7 dependency-type: indirect ... Signed-off-by: dependabot[bot] <support@github.com>

dependabot/uv/libs/core/notebook-7.5.7

2 days ago

Latest Branches

0%

fix(langchain): stop `jump_to="tools"` from bypassing HITL review#41023

6 hours ago

be32874

uditstocks:uditstocks/langchain/jump-to-tools-pending-dispatch

0%

fix(langchain): run each pending tool call as its own task on `jump_to="tools"`#41008

1 day ago

d775024

fix/jump-to-tools-dispatch

-1%

feat(core): accept address inside LangChainTracer#41006

1 day ago

db15e6e

david/ab-3702-integration-langchain

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