# LangChain 1.3.17

- Product: LangChain (https://whatsnew.fyi/product/langchain)
- Vendor: LangChain
- Date: 2026-08-25
- Version: 1.3.17
- Original notes: https://github.com/langchain-ai/langchain/releases/tag/langchain%3D%3D1.3.17
- Permalink: https://whatsnew.fyi/product/langchain/releases/1.3.17

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

---

- **fixed** — Frame custom HITL rejection reasons

Changes since langchain==1.3.16

release(langchain): 1.3.17 (#39893)
fix(langchain): frame custom HITL rejection reasons (#39773)
chore(deps): bump minor and patch dependencies (#39869)