LangChain: Spring Cleaning and Python 3.14 Prep
Today we're covering 8 merged PRs and 10 commits focused on housekeeping, infrastructure improvements, and future-proofing. The biggest highlight is Python 3.14 support landing in the Chroma integration, plus important token counting fixes for Anthropic models and some solid middleware improvements.
Duration: PT4M1S
Episode overview
This episode is a short developer briefing from LangChain.
It explains recent repository work in plain language.
- Show: LangChain
- Published: 2026-03-28T10:12:51Z
- Audio duration: PT4M1S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Hey there, fellow builders! Welcome back to another episode of the LangChain podcast. I'm your host, and wow, do we have a fascinating mix of changes to dig into today. March 28th has brought us some really thoughtful improvements that show just how much care goes into maintaining a project of this scale.
You know what I love about today's activity? It's all about the fundamentals - the kind of work that makes everything else possible. We had 8 pull requests merged and 10 additional commits, and while that might not sound earth-shattering, the story here is really about setting LangChain up for success both now and…
Let's start with the big news - Python 3.14 support is here! Christophe Bornet landed a fantastic update to the Chroma integration that brings compatibility with Python 3.14 and Pydantic 3.12. This is exactly the kind of forward-thinking work that keeps LangChain ahead of the curve. If you're running bleeding-edge…
Now, here's a fix that's going to make a real difference in production - Jordan Hury tackled a sneaky token counting issue with Anthropic models. Turns out, ChatAnthropicVertex wasn't being recognized properly in the token counter, which meant it was…
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Nearby episodes from LangChain
- Spring Cleaning & Security Hardening
- Security, Speed, and Smoother Workflows
- Computer Use Gets Smarter
- Silent Bugs Squashed & Future-Proofing Python 3.14
- Smarter Search Defaults with Exa
- OpenRouter Goes Marketplace with Smart Attribution
- Security First - Path Validation and Core Updates
- Dependency Harmony & Workflow Fixes