langchain 0.0.9

Build powerful LLM-based Dart and Flutter applications with LangChain.dart.

0.0.9

• FEAT(vector-stores): Support filtering in MemoryVectorStore (#137). (84da480f)
• FEAT(vector-stores): Support filtering in VertexAI Matching Engine (#136). (768c6987)
• FEAT(vector-stores): Allow to pass vector search config (#135). (5b8fa5a3)
• DOCS: Fix API documentation errors (#138). (1aa38fce)

0.0.8

• REFACTOR(memory): Rename store folder to chat_message_history (#126). (fa54c7e2)
• REFACTOR: Fix Dart 3.1.0 linter issues (#125). (cc32f3f1)
• FEAT(storage): Add support for LocalFileStore (#132). (2c508dce)
• FEAT(embeddings): Add support for CacheBackedEmbeddings (#131). (27d8b777)
• FEAT(embeddings): Add FakeEmbeddings testing model (#130). (f06920d7)
• FEAT(storage): Add support for EncoderBackedStore (#129). (85bb3191)
• FEAT(storage): Add support for InMemoryStore (#128). (699c0904)
• FEAT(doc-stores): Add support for InMemoryDocStore (#127). (d9d7268d)
• FEAT(stores): Initial vectors, ids, and delete in MemoryVectorStore (#123). (f87a738d)

0.0.7+1

• FIX(doc-transformers): Text splitters were not preserving docs IDs (#122). (a9d7f098)

0.0.7

• FEAT(stores): Integrate Vertex AI Matching Engine vector store (#103). (289c3eef)
• DOCS: Update readme. (a64860ce)
• DOCS: Update readme. (8a58f4a1)

0.0.6

• REFACTOR(vertex-ai): Move Vertex AI client to its own package (#111). (d8aea156)
• REFACTOR: Always await or explicitly discard Futures (#106). (989e93db)
• FIX(chains): Fix OpenAIQAWithSourcesChain returning empty strings (#113). (6181ff8d)
• FIX(stores): VectorStore k variable was ignored (#110). (80e61eb7)
• FEAT(chat-models): Integrate Google Vertex AI PaLM Chat Model (#99). (3897595d)
• FEAT(llms): Integrate Google Vertex AI PaLM Text model (#98). (b2746c23)

0.0.5+1

• FIX(llms): OpenAIOptions class not exported (#104). (e50efc3d)
• DOCS(chains): Improve RetrievalQAChain API documentation (#95). (e6d0a9d3)

0.0.5

• FIX(chains): Suff and MapReduce docs chains don't handle chat messages (#92). (19182ca1)
• FEAT(agents): Update AgentExecutor constructor to use agent's tools (#89). (3af56a45)
• FEAT(prompts): Add MessagePlaceholder (#87). (23ee95b6)
• DOCS: Update CONTRIBUTING.md. (5f2b9264)
• DOCS(prompts): Fix typo in MessagePlaceholder API docs (#90). (f53e1a2b)

0.0.4

• REFACTOR(memory): Extract default memory key and prefixes to constants. (750fd01a)
• FIX(agents): systemChatMessage was ignored in OpenAIFunctionsAgent (#86). (cfe1e009)
• FIX(agents): Allow to add memory to an agent executor (#80). (8110464c)
• FEAT(memory): Add ConversationSummaryMemory (#27). (f631d9e5)
• FEAT(agents): Support LLMChain in OpenAIFunctionsAgent and memory. (bd4a1cb9)
• FEAT(chains): Return ChatMessage when LLMChain used with ChatModel. (bb5f4d23)
• FEAT(chat-models): Add FakeChatModel for testing purposes. (659783a6)
• FEAT(memory): Add support for ConversationTokenBufferMemory (#26). (8113d1c0)
• FEAT: Improve SummarizeChain.mapReduce summaryMaxTokens name and docs. (0be06e02)
• FEAT(doc-loaders): Add support for CsvLoader (#77). (41d24e76)
• FEAT(memory): Add ConversationBufferWindowMemory (#25). (9c271f7e)

0.0.3

• FIX: Loaders tests. (f0498300)
• FEAT: Update internal dependencies (including http to 1.1.0). (8f3e8bc8)
• FEAT: Add support for VectorStoreRetrieverMemory (#54). (72cd1b10)

0.0.2

• FIX: OpenAIQAWithSourcesChain throws exception. (45c6cb9d)
• FEAT: Add support for SummarizeChain (#58). (9499fc04)
• FEAT: Add support for SequentialChain class (#30). (381a6768)
• FEAT: Add support for WebBaseLoader (#74). (0b5bf4b0)
• FEAT: Add Support for JsonLoader (#72). (2457a973)
• FEAT: Add support for MapReduceDocumentsChain (#59). (9f2190c4)
• FEAT: Add support for ReduceDocumentsChain (#70). (34cf10bd)
• FEAT: Support estimating the number of tokens for a given prompt (#3). (e22f22c8)
• FEAT: Add support for CodeTextSplitter (#63). (92a8c7da)
• FEAT: Add support for RecursiveCharacterTextSplitter (#61). (697cdcbf)
• DOCS: Document sequential chain. (b9693a4e)
• DOCS: Document text, json and web loaders. (a95b3e9f)
• DOCS: Update API docs. (7bfa6d17)
• DOCS: Update readme. (dd394715)

0.0.1

• Initial public release.

Check out the announcement post for all the details: https://blog.langchaindart.com/introducing-langchain-dart-6b1d34fc41ef

0.0.1-dev.7

• Add support for Agent class (#33).
• Add support for AgentExecutor class (#56).
• Update hello_world_flutter example with local models.

0.0.1-dev.6

• Add support for PipelinePromptTemplate class (#18).
• LLMChain improvements (#43).

0.0.1-dev.5

• Add support for TextLoader (#47).
• Add support for BaseLoader (#46).
• Add support for RetrievalQAChain class (#42).
• Add support for StuffDocumentsQAChain (#50).
• Add support for StuffDocumentsChain (#49).
• Add support for BaseCombineDocumentsChain class (#41).
• Add support for ConditionalPromptSelector (#48).
• Add support for VectorStoreRetriever class (#45).
• Add support for MemoryVectorStore class (#44).
• Add support for VectorStore class (#36).
• Add support for OpenAIEmbeddings (#38).
• Add support for CharacterTextSplitter class (#39).
• Add support for OpenAI functions (#35).
• Add support for Calculator tool (#32).
• Add support for Tool class (#31).

0.0.1-dev.4

• Add support for LLMChain class (#20).
• Add support for ChatMessageHistory class (#29).
• Add support for ConversationBufferMemory class (#24).
• Add support for ConversationChain (#21).
• Add support for SimpleMemory class (#23).

0.0.1-dev.3

• Add support for ChatPromptTemplate class (#8).

0.0.1-dev.2

• Add support for LLMs - BaseLLM class (#14).
• Add support for Chat models - BaseChatModel class (#10).
• Add support for prompt templates - PromptTemplate class (#7).
• Publish LangChain.dart documentation on http://langchaindart.com.

0.0.1-dev.1

• Bootstrap project.