pydantic

This release brings MemWAL LSM surface parity across SDKs and introduces first-class function wire contracts. It also includes several bug fixes and refactors, with a breaking change requiring pydantic v2 for the Python package.

This release drops support for Pydantic v1, establishing Pydantic v2.7.0 as the new minimum requirement while adding performance testing via CodSpeed.

This release focuses on ensuring compatibility with Pydantic 2.12.0, expanding Russian translations, and updating internal dependencies and documentation.

This release updates ReDoc to 2.x, adds refreshUrl support to OAuth2PasswordBearer, and fixes a Pydantic V2 description truncation bug. It also improves the documentation UI for password fields in OAuth2 forms.

This release adds numerous new models and UI features, upgrades pydantic to 2.11.0, and includes a large set of bug fixes and performance improvements.

Major 1.0.0 release for langchain-perplexity featuring a migration to the Hatchling build backend, Python 3.14 support, and significant documentation and linting standardizations.

Major release v1.0.0 marking the transition to a stable API, featuring a migration to the 'uv' package manager and the removal of Python 3.9 support. It standardizes environment variables under the LangSmith namespace and introduces comprehensive integration templates and standard testing suites.

This release focuses on internal cleanup of Pydantic models, standardization of cosine similarity outputs, and expanding compatibility by lifting the LangSmith version cap.

Version 0.3.60 focuses on performance optimizations in core event loops and record management, alongside a fix for BaseTool alias fields and a bump to the minimum Pydantic version.

This patch release focuses on ensuring compatibility with Pydantic 2.11.

This release upgrades the core engine to Pydantic v2, introduces a new CLI wrapper for 'uv', and enhances embedder flexibility with batch processing and custom provider support.

This patch release addresses a compatibility bug with older versions of Pydantic when handling additional fields.

This release introduces support for dynamic API keys via callables and enhances forward compatibility with Pydantic v3.

This release introduces new tool running helpers and includes internal maintenance updates, specifically regarding Pydantic dependency management and test suite improvements.

This release introduces support for the web_fetch_20250910 tool and focuses on internal improvements for Pydantic v3 compatibility and beta type definitions.

LangGraph 0.4.1 mandates Pydantic V2, removing all V1 support, while introducing UI message merging capabilities and fixing critical graph termination issues related to the END node.

This release pins the pydantic version and includes several bug fixes and minor feature improvements across components such as Dropdown, Dataframe, and MultimodalTextbox.

This release introduces new type resolution capabilities and partial support for Claude 3 Sonnet, alongside fixes for Pydantic schema generation and argument handling.