https://freedom.tech/project/langchain-core/ Every langchain-core== release and update tracked by Freedom.Tech. en Freedom.Tech is a Foundation project. https://foundation.xyz Freedom.Tech, a Foundation project (https://foundation.xyz) https://freedom.tech/posts/2026-08-19-langchain-core-1-6-0/ https://freedom.tech/posts/2026-08-19-langchain-core-1-6-0/ Wed, 19 Aug 2026 15:55:57 GMT Resolves tool schema serialization issues, adds standard exception types, and improves Windows compatibility in langchain-core https://freedom.tech/posts/2026-08-11-langchain-core-1-5-4/ https://freedom.tech/posts/2026-08-11-langchain-core-1-5-4/ Tue, 11 Aug 2026 18:03:10 GMT Langchain-core 1.5.4 fixes Pydantic 2.14 compatibility, stops StructuredPrompt from mutating caller kwargs, and preserves tool argument schemas https://freedom.tech/posts/2026-07-21-langchain-core-1-5-0/ https://freedom.tech/posts/2026-07-21-langchain-core-1-5-0/ Tue, 21 Jul 2026 03:37:39 GMT Adds reasoning effort as a standard chat-model parameter https://freedom.tech/posts/2026-06-18-langchain-core-1-4-8/ https://freedom.tech/posts/2026-06-18-langchain-core-1-4-8/ Thu, 18 Jun 2026 19:39:42 GMT Langchain-core 1.4.8 memoizes tool schemas, caches JSON schemas, preserves token usage in streaming, and drops Python 3.9 support https://freedom.tech/posts/2026-06-08-langchain-core-1-4-2/ https://freedom.tech/posts/2026-06-08-langchain-core-1-4-2/ Mon, 08 Jun 2026 18:19:52 GMT LangChain Core deprecated the problematic dict() method to encourage use of safer serialization patterns in LLM application chains https://freedom.tech/posts/2026-06-05-langchain-core-1-4-1/ https://freedom.tech/posts/2026-06-05-langchain-core-1-4-1/ Fri, 05 Jun 2026 14:51:58 GMT Removes Bedrock prevalidation from load path; Bumps uuid-utils to 0.16.0