langchain-ai/langchain
langchain-ai/langchain
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release notes
Published 1/2/2026
Safe upgradeChanges since langchain-xai==1.1.0
fix(xai): ensure citations are streamed just once (#34556) release(xai): 1.2.0 (#34555) fix(xai): stream usage metadata by default (#34531) fix(core): serialization patch (#34455) fix(openai): filter function_call blocks in token counting (#34396) release(openai): 1.1.6: update max input tokens for gpt-5 series (#34419) release(openai): 1.1.5 (#34409) fix(openai): rely on langchain-core for setting chunk_position (#34404) chore: update core dep in lockfiles (#34216)
release notes
Published 1/2/2026
Safe upgradeChanges since langchain-xai==1.1.0
fix(xai): ensure citations are streamed just once (#34556) release(xai): 1.2.0 (#34555) fix(xai): stream usage metadata by default (#34531) fix(core): serialization patch (#34455) fix(openai): filter function_call blocks in token counting (#34396) release(openai): 1.1.6: update max input tokens for gpt-5 series (#34419) release(openai): 1.1.5 (#34409) fix(openai): rely on langchain-core for setting chunk_position (#34404) chore: update core dep in lockfiles (#34216)