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2025-10-15

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@davidmigloz davidmigloz released this 16 Oct 06:25
· 4 commits to main since this release
langchain-v0.8.0
5672df4
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davidmigloz David Miguel Lozano
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Changes

googleai_dart - v1.0.0

TL;DR: Complete reimplementation with a new architecture, minimal dependencies, unified resource-based API, and full Gemini API coverage. Includes new Files, Batches, Caching, Corpora/RAG, RAG Stores, Dynamic Content, Permissions, Tuned Models, and Prediction (Veo) support.

What's new

  • Unified client for both:
    • Google AI Gemini Developer API
    • Vertex AI Gemini API
  • Complete API coverage: 78 endpoints.
    • Files API: upload, list, get, delete, download.
    • Generated Files API: list, get, getOperation (video outputs).
    • Cached Contents: full CRUD.
    • Batch operations: batchGenerateContent, batchEmbedContents, asyncBatchEmbedContent with LRO polling.
    • Corpora & RAG: corpus CRUD (Google AI); documents/chunks/query, metadata filters, batch chunk ops (Vertex AI only).
    • RAG Stores: documents list/create/get/delete/query + operations.
    • Dynamic Content: generate/stream content with dynamic model IDs.
    • Permissions: create/list/get/update/delete/transferOwnership for eligible resources.
    • Tuned Models: list, get, listOperations, generation APIs.
    • Prediction (Veo): predict, predictLongRunning, operation polling, RAI filtering.
  • Architecture:
    • Interceptor chain (Auth → Logging → Error).
    • Authentication: API key, Bearer token, custom OAuth via AuthProvider.
    • Retry with exponential backoff + jitter.
    • Abortable requests via abortTrigger (streaming and non-streaming).
    • SSE streaming parser.
    • Central GoogleAIConfig (timeouts, retry policy, log level, baseUrl).
  • Testing:
    • 560+ tests covering all endpoints, error branches, streaming/abort flows.

anthropic_sdk_dart - v0.3.0

  • FIX: Handle optional space after colon in SSE parser in anthropic_sdk_dart (#790). (b31fbead)
  • FEAT: Add extended thinking support to anthropic_sdk_dart (#803). (1ccb74a6)
  • FEAT: Upgrade to http v1.5.0 (#785). (f7c87790)
  • BREAKING BUILD: Require Dart >=3.8.0 (#792). (b887f5c6)

ollama_dart - v0.3.0

  • FEAT: Enhance CreateModelRequest with new fields in ollama_dart (#802). (c5c73549)
  • FEAT: Add tool_name and index support in ollama_dart (#800). (f0f77286)
  • FEAT: Add remote_model and remote_host support in ollama_dart (#799). (36b9d5f2)
  • FEAT: Add truncate and shift support in ollama_dart (#798). (098a0815)
  • FEAT: Support high, medium, low for think in ollama_dart (#797). (1cbe3fcf)
  • FEAT: Support JSON schema in ResponseFormat in ollama_dart (#796). (2f399465)
  • FEAT: Upgrade to http v1.5.0 (#785). (f7c87790)
  • BREAKING REFACTOR: Improve factory names in ollama_dart (#806). (fbfa7acb)
  • BREAKING BUILD: Require Dart >=3.8.0 (#792). (b887f5c6)

openai_dart - v0.6.0

  • FIX: Correct text content serialization in CreateMessageRequest in openai_dart (#805). (e4569c96)
  • FIX: Handle optional space after colon in SSE parser in openai_dart (#779). (9defa827)
  • FEAT: Add OpenRouter provider routing support in openai_dart (#794). (6d306bc1)
  • FEAT: Add OpenAI-compatible vendor reasoning content support (#793). (e0712c38)
  • FEAT: Upgrade to http v1.5.0 (#785). (f7c87790)
  • BREAKING BUILD: Require Dart >=3.8.0 (#792). (b887f5c6)

chromadb - v0.3.0

langchain - v0.8.0

langchain_anthropic - v0.3.0

  • FEAT: Add extended thinking support to langchain_anthropic (#804). (0e58fd31)
  • FEAT: Upgrade to http v1.5.0 (#785). (f7c87790)
  • BREAKING BUILD: Require Dart >=3.8.0 (#792). (b887f5c6)

langchain_chroma - v0.3.0

langchain_community - v0.4.0

langchain_core - v0.4.0

langchain_firebase - v0.3.0

langchain_google - v0.7.0

  • REFACTOR: Migrate langchain_google to the new googleai_dart client (#788). (f28edec9)
  • FEAT: Upgrade to http v1.5.0 (#785). (f7c87790)
  • BREAKING BUILD: Require Dart >=3.8.0 (#792). (b887f5c6)

langchain_mistralai - v0.3.0

langchain_ollama - v0.4.0

  • FEAT: Add think support to Ollama and ChatOllama (#801). (553c7282)
  • FEAT: Upgrade to http v1.5.0 (#785). (f7c87790)
  • BREAKING REFACTOR: Improve factory names in ollama_dart (#806). (fbfa7acb)
  • BREAKING BUILD: Require Dart >=3.8.0 (#792). (b887f5c6)

langchain_openai - v0.8.0

langchain_supabase - v0.2.0

langgraph - v0.0.1-dev.3

mistralai_dart - v0.1.0

  • FIX: Add missing usage field to ChatCompletionStreamResponse in mistralai_dart (#795). (4da75561)
  • FIX: Handle optional space after colon in SSE parser in mistralai_dart (#791). (cefb1d2f)
  • FEAT: Upgrade to http v1.5.0 (#785). (f7c87790)
  • BREAKING BUILD: Require Dart >=3.8.0 (#792). (b887f5c6)

openai_realtime_dart - v0.1.0

tavily_dart - v0.2.0

vertex_ai - v0.2.0

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