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docs: [LangGraph Server Changelog Bot] Changelog updates for new version(s) #1530

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ef7eaee
Update changelog via LangGraph Server Changelog Bot
samecrowder Nov 19, 2025
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Update changelog via LangGraph Server Changelog Bot
samecrowder Nov 20, 2025
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8 changes: 8 additions & 0 deletions src/langsmith/agent-server-changelog.mdx
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Expand Up @@ -5,6 +5,14 @@ sidebarTitle: Agent Server changelog

[Agent Server](/langsmith/agent-server) is an API platform for creating and managing agent-based applications. It provides built-in persistence, a task queue, and supports deploying, configuring, and running assistants (agentic workflows) at scale. This changelog documents all notable updates, features, and fixes to Agent Server releases.

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## v0.5.20
- Resolved an error in the executor service that occurred when handling large messages.

<a id="2025-11-19"></a>
## v0.5.19
- Upgraded built-in langchain-core to version 1.0.7 to address a prompt formatting vulnerability.

<a id="2025-11-19"></a>
## v0.5.18
- Introduced persistent cron threads with `on_run_completed: {keep,delete}` for enhanced cron management and retrieval options.
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