LangChain: Silent Bugs Squashed & Future-Proofing Python 3.14
Seven critical fixes landed today, headlined by a sneaky data loss bug in RecursiveJsonSplitter and future-proofing for Python 3.14. The team tackled silent failures, improved local development workflows, and added support for Anthropic's new adaptive thinking mode, showing LangChain's commitment to both stability and cutting-edge features.
Duration: PT4M4S
Episode overview
This episode is a short developer briefing from LangChain.
It explains recent repository work in plain language.
- Show: LangChain
- Published: 2026-03-29T10:00:57Z
- Audio duration: PT4M4S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Hey there, developers! Welcome back to another episode of the LangChain podcast. I'm your host, and wow, do we have a fantastic Friday wrap-up for you today, March 29th, 2026.
You know those bugs that make you lose sleep? The ones that silently eat your data without so much as a warning? Well, the LangChain team just squashed a really nasty one, and we've got some exciting updates that'll make your development life easier too.
Let's dive right into today's merged pull requests, because we've got seven solid wins to celebrate.
First up, and this is a big one - Mohammad Mohtashim caught a silent data loss bug in the RecursiveJsonSplitter that was just... vanishing empty dictionaries. Picture this: you're processing JSON data, everything looks fine, but those empty dict values? They're just disappearing into the void. No error, no warning,…
Speaking of making development smoother, Darshan Gorasiya solved a pain point that local developers have been dealing with. When you're running HuggingFaceEndpoint with a local setup - maybe you've got TGI running on localhost - the system was still trying to hit the Hugging Face API. Not anymore! Now it smartly…
And here's something cool - we're…
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