--- title: [Week of 4/15] LangChain Release Notes | daily.dev description: LangChain and LangSmith have released new features and improvements. LangSmith Experimentations can help improve application logic. LangChain now has... canonical: https://daily.dev/posts/week-of-4-15-langchain-release-notes-e5grghktm twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: [Week of 4/15] LangChain Release Notes | daily.dev og:description: LangChain and LangSmith have released new features and improvements. LangSmith Experimentations can help improve application logic. LangChain now has... og:url: https://daily.dev/posts/week-of-4-15-langchain-release-notes-e5grghktm og:image: https://api.daily.dev/og/posts/E5gRgHkTm.png og:image:alt: [Week of 4/15] LangChain Release Notes og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # [Week of 4/15] LangChain Release Notes **[LangChain](https://daily.dev/sources/langchain)** · 4 min read · 6 upvotes · 1 comments ## Summary LangChain and LangSmith have released new features and improvements. LangSmith Experimentations can help improve application logic. LangChain now has standardized tool calling and improved documentation. LangSmith is now SOC2 Type 1 certified. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@impulse** · 0 upvotes > Its LangChain, baby! ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#langchain](https://daily.dev/tags/langchain), [#langsmith](https://daily.dev/tags/langsmith), [#llm](https://daily.dev/tags/llm), [#rag](https://daily.dev/tags/rag) [View this post on daily.dev](https://daily.dev/posts/week-of-4-15-langchain-release-notes-e5grghktm) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"[Week of 4/15] LangChain Release Notes","url":"https://daily.dev/posts/week-of-4-15-langchain-release-notes-e5grghktm","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/week-of-4-15-langchain-release-notes-e5grghktm"},"datePublished":"2024-04-19T15:52:45.554Z","dateModified":"2026-06-04T02:16:32.207Z","description":"LangChain and LangSmith have released new features and improvements. 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