Changelog
Status: ACTIVE (pulled from docs.langchain.com) Source: https://docs.langchain.com/oss/python/langgraph/changelog-py Timestamp: 2026-05-11
Key release notes for LangGraph and related packages.
langgraph v1.1 (Mar 10, 2026)
- Type-safe streaming (
version="v2"): UnifiedStreamPartoutput withtype,ns, anddatakeys. Each mode has its ownTypedDict. - Type-safe invoke (
version="v2"):GraphOutputobject with.valueand.interruptsattributes. - Pydantic and dataclass coercion: Auto-coercion of invoke/stream output to declared types.
- Fixed time travel: Replays no longer reuse stale
RESUMEvalues; subgraphs correctly restore parent checkpoint. - Fully backwards compatible:
version="v2"is opt-in.
langgraph v1.0 (Oct 20, 2025)
- Stable release. Full migration guide available.
- See release notes
deepagents v0.5.0 (Apr 7, 2026)
- Async subagents: Non-blocking background tasks while maintaining conversation.
- Multi-modal support:
read_filetool supports PDFs, audio, and video. - Backend changes: Updated file format for binary files, improved error propagation.
deepagents v0.4 (Feb 10, 2026)
- New sandbox integration packages:
langchain-modal,langchain-daytona,langchain-runloop - Conversation history summarization now triggers on
ContextOverflowError - Default to Responses API for OpenAI model strings
langchain v1.2.0 (Dec 15, 2025)
create_agentsimplified support for provider-specific tool parameters viaextrasattribute- Support for strict schema-adherence in agent
response_formatviaProviderStrategy
langchain v1.1.0 (Nov 25, 2025)
- Model profiles: Chat models expose supported features via
.profileattribute - Summarization middleware: Flexible trigger points using model profiles
- Model retry middleware: Configurable exponential backoff
- Content moderation middleware: OpenAI-based unsafe content detection