Published event
DeveloperTools ProductUpdate 1 source(s)

langchain-core==1.5.4

Updated September 26, 2026 · 2:47 PM · source date August 11, 2026

Summary

langchain-core==1.5.4 langchain-ai / langchain Public Notifications You must be signed in to change notification settings Fork 24.6k Star 147k langchain-core==1.5.4 github-actions released this 11 Aug 18:03 langchain-core==1.5.4 5ff19c6 This commit was created on GitHub.com and signed with GitHub’s verified signature . GPG key ID: B5690EEEBB952194 Verified Learn about vigilant mode .

Why it matters

This ProductUpdate is relevant to the technology intelligence record because it involves OpenAI, GitHub. The source article should remain the factual reference for follow-up coverage.

Key facts
  • langchain-ai / langchain Public Notifications You must be signed in to change notification settings Fork 24.6k Star 147k langchain-core==1.5.4 github-actions released this 11 Aug 18:03 langchain-core==1.5.4 5ff19c6 This commit was created on GitHub.com and signed with GitHub’s verified signature .
  • GPG key ID: B5690EEEBB952194 Verified Learn about vigilant mode .
  • Changes since langchain-core==1.5.3 release(core): 1.5.4 ( #39592 ) fix(core): compat with pydantic 2.14 ( #39328 ) fix(core): stop StructuredPrompt from mutating caller kwargs ( #39174 ) fix(core): preserve flat tool args schema for RootModel runnables ( #39307 ) fix(core): close internally created event loops in streaming tracers ( #39222 ) chore: bump the minor-and-patch group across 3 directories with 7 updates ( #39187 ) fix(core): preserve OpenAI file blocks ( #39205 ) fix(core): document reserved argument names for tools ( #39207 ) fix(core): handle injected args for subclasses of BaseTool ( #39202 ) fix(core): respect include_injected=False with filter_args ( #39200 ) fix(core): redact streaming callback options ( #39179 ) fix(core): type text stream projections ( #39170 ) chore(infra): add missing LICENSE files to publishable packages ( #39146 ) Assets 4 Loading Uh oh!
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