---
title: Changelog
description: Latest updates and new features in Workflow SDK.
type: overview
---

# Changelog



# Changelog

Stay up to date with the latest changes to Workflow SDK.

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## 2026

* Serializable AbortController and AbortSignal — March 12, 2026


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For a semantic overview of all documentation, see [/sitemap.md](/sitemap.md)

For an index of all available documentation, see [/llms.txt](/llms.txt)

For agent-facing discovery, including API and MCP surfaces, see [/agents.md](/agents.md)