UiPath LangChain Client [langchain-v1.7.1]

[1.7.1] - 2026-04-04

Added

• custom_class parameter in get_chat_model() and get_embedding_model() factory functions to allow instantiating a user-provided class instead of the auto-detected one

UiPath LLM Client [v1.7.0]

[1.7.0] - 2026-04-03

Added

• UiPathNormalizedClient — provider-agnostic LLM client with no optional dependencies
  • client.completions.create/acreate/stream/astream for chat completions
  • client.embeddings.create/acreate for embeddings
  • Structured output via response_format (Pydantic, TypedDict, dict, json_object)
  • Tool calling with dicts, Pydantic models, or callables
  • Streaming with SSE parsing
  • Full vendor parameter coverage: OpenAI (reasoning, logprobs, logit_bias), Anthropic (thinking, top_k), Google (thinking_level/budget, safety_settings, cached_content)
  • Typed response models: ChatCompletion, ChatCompletionChunk, EmbeddingResponse
  • Accepts both dict and Pydantic model messages

UiPath LLM Client [v1.6.0]

[1.6.0] - 2026-04-03

Fixed

• Set api_flavor to None for ANTHROPIC and AZURE vendor types
• Add ANTHROPIC/AZURE cases to validator and remove unused original_message parameter
• Fix VertexAI default_headers consistency and demo import path
• Fix LLMGateway singleton cache key to include base_url

UiPath LangChain Client [langchain-v1.6.0]

[1.6.0] - 2026-04-03

Fixed

• Version bump to match core package changes

UiPath LLM Client [v1.5.10]

[1.5.10] - 2026-03-26

Changed

• Removed X-UiPath-LLMGateway-AllowFull4xxResponse from default request headers to avoid PII leakage in logs

UiPath LLM Client [v1.5.9]

[1.5.9] - 2026-03-26

Fix

• Use availableOperationCodes field (instead of operationCodes) when validating BYOM operation codes

UiPath LLM Client [v1.5.8]

[1.5.8] - 2026-03-26

Fix

• Pass base_url to OpenAI and AsyncOpenAI constructors in UiPathOpenAI and UiPathAsyncOpenAI to ensure the correct endpoint is forwarded to the underlying SDK clients

UiPath LangChain Client [langchain-v1.5.9]

[1.5.9] - 2026-03-26

Fix

• Remove fix_host_header event hooks from UiPathChatOpenAI; host header management is handled by the underlying httpx client

UiPath LangChain Client [langchain-v1.5.8]

[1.5.8] - 2026-03-26

Fix

• Pass base_url to OpenAI and AsyncOpenAI constructors in UiPathChatOpenAI to ensure the correct endpoint is used by the underlying SDK clients

UiPath LangChain Client [langchain-v1.5.10]

[1.5.10] - 2026-03-26

Changed

• Removed X-UiPath-LLMGateway-AllowFull4xxResponse from default request headers to avoid PII leakage in logs