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CHANGELOG.md

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[Unreleased]

[0.13.2] - 2024-05-20

  • New Langchain::LLM::GoogleGemini#embed() method
  • Langchain::Assistant works with Langchain::LLM::Anthropic llm
  • New XLS file processor
  • Fixes and improvements

[0.13.1] - 2024-05-14

  • Better error handling for Langchain::LLM::GoogleVertexAI

[0.13.0] - 2024-05-14

  • New 🛠️ Langchain::Tool::NewsRetriever tool to fetch news via newsapi.org
  • Langchain::Assistant works with Langchain::LLM::GoogleVertexAI and Langchain::LLM::GoogleGemini llms
  • [BREAKING] Introduce new Langchain::Messages::Base abstraction

[0.12.1] - 2024-05-13

  • Langchain::LLM::Ollama now uses llama3 by default
  • Langchain::LLM::Anthropic#complete() now uses claude-2.1 by default
  • Updated with new OpenAI models, including gpt-4o
  • New Langchain::LLM::Cohere#chat() method.
  • Introducing UnifiedParameters to unify parameters across LLM classes

[0.12.0] - 2024-04-22

  • [BREAKING] Rename dimension parameter to dimensions everywhere

[0.11.4] - 2024-04-19

  • New Langchain::LLM::AWSBedrock#chat() to wrap Bedrock Claude requests
  • New Langchain::LLM::OllamaResponse#total_tokens() method

[0.11.3] - 2024-04-16

  • New Langchain::Processors::Pptx to parse .pptx files
  • New Langchain::LLM::Anthropic#chat() support
  • Misc fixes

[0.11.2]

  • New Langchain::Assistant#clear_thread! and Langchain::Assistant#instructions= methods

[0.11.1]

  • Langchain::Tool::Vectorsearch that wraps Langchain::Vectorsearch::* classes. This allows the Assistant to call the tool and inject data from vector DBs.

[0.11.0]

  • Delete previously deprecated Langchain::Agent::ReActAgent and Langchain::Agent::SQLQueryAgent classes
  • New Langchain::Agent::FileSystem tool that can read files, write to files, and list the contents of a directory

[0.10.3]

  • Bump dependencies
  • Ollama#complete fix
  • Misc fixes

[0.10.2]

  • New Langchain::LLM::Mistral
  • Drop Ruby 3.0 support
  • Fixes Zeitwerk::NameError

[0.10.1] - GEM VERSION YANKED

[0.10.0]

  • Delete Langchain::Conversation class

[0.9.5]

  • Now using OpenAI's "text-embedding-3-small" model to generate embeddings
  • Added remove_texts(ids:) method to Qdrant and Chroma
  • Add Ruby 3.3 support

[0.9.4]

  • New Ollama#summarize() method
  • Improved README
  • Fixes + specs

[0.9.3]

  • Add EML processor
  • Tools can support multiple-methods
  • Bump gems and bug fixes

[0.9.2]

  • Fix vectorsearch#ask methods
  • Bump cohere-ruby gem

[0.9.1]

  • Add support for new OpenAI models
  • Add Ollama#chat method
  • Fix and refactor of Langchain::LLM::Ollama, responses can now be streamed.

[0.9.0]

  • Introducing new Langchain::Assistant that will be replacing Langchain::Conversation and Langchain::Agents.
  • Langchain::Conversation is deprecated.

[0.8.2]

  • Introducing new Langchain::Chunker::Markdown chunker (thanks @spikex)
  • Fixes

[0.8.1]

  • Support for Epsilla vector DB
  • Fully functioning Google Vertex AI LLM
  • Bug fixes

[0.8.0]

  • [BREAKING] Updated llama_cpp.rb to 0.9.4. The model file format used by the underlying llama.cpp library has changed to GGUF. llama.cpp ships with scripts to convert existing files and GGUF format models can be downloaded from HuggingFace.
  • Introducing Langchain::LLM::GoogleVertexAi LLM provider

[0.7.5] - 2023-11-13

  • Fixes

[0.7.4] - 2023-11-10

  • AWS Bedrock is available as an LLM provider. Available models from AI21, Cohere, AWS, and Anthropic.

[0.7.3] - 2023-11-08

  • LLM response passes through the context in RAG cases
  • Fix gpt-4 token length validation

[0.7.2] - 2023-11-02

  • Azure OpenAI LLM support

[0.7.1] - 2023-10-26

  • Ragas evals tool to evaluate Retrieval Augmented Generation (RAG) pipelines

[0.7.0] - 2023-10-22

  • BREAKING: Moving Rails-specific code to langchainrb_rails gem

[0.6.19] - 2023-10-18

  • Elasticsearch vector search support
  • Fix lib/langchain/railtie.rb not being loaded with the gem

[0.6.18] - 2023-10-16

  • Introduce `Langchain::LLM::Response`` object
  • Introduce Langchain::Chunk object
  • Add the ask() method to the Langchain::ActiveRecord::Hooks

[0.6.17] - 2023-10-10

  • Bump weaviate and chroma-db deps
  • Langchain::Chunker::Semantic chunker
  • Re-structure Conversations class
  • Bug fixes

[0.6.16] - 2023-10-02

  • HyDE-style similarity search
  • Langchain::Chunker::Sentence chunker
  • Bug fixes

[0.6.15] - 2023-09-22

  • Bump weaviate-ruby gem version
  • Ollama support

[0.6.14] - 2023-09-11

[0.6.13] - 2023-08-23

  • Add k: parameter to all ask() vector search methods
  • Bump Faraday to 2.x

[0.6.12] - 2023-08-13

[0.6.11] - 2023-08-08

[0.6.10] - 2023-08-01

  • 🗣️ LLMs
    • Introducing Anthropic support

[0.6.9] - 2023-07-29

[0.6.8] - 2023-07-21

[0.6.7] - 2023-07-19

  • Support for OpenAI functions
  • Streaming vectorsearch ask() responses

[0.6.6] - 2023-07-13

  • Langchain::Chunker::RecursiveText
  • Fixes

[0.6.5] - 2023-07-06

  • 🗣️ LLMs
    • Introducing Llama.cpp support
  • Langchain::OutputParsers::OutputFixingParser to wrap a Langchain::OutputParser and handle invalid response

[0.6.4] - 2023-07-01

  • Fix Langchain::Vectorsearch::Qdrant#add_texts()
  • Introduce ConversationMemory
  • Allow loading multiple files from a directory
  • Add get_default_schema(), create_default_schema(), destroy_default_schema() missing methods to Langchain::Vectorsearch::* classes

[0.6.3] - 2023-06-25

  • Add #destroy_default_schema() to Langchain::Vectorsearch::* classes

[0.6.2] - 2023-06-25

  • Qdrant, Chroma, and Pinecone are supported by ActiveRecord hooks

[0.6.1] - 2023-06-24

  • Adding support to hook vectorsearch into ActiveRecord models

[0.6.0] - 2023-06-22

  • [BREAKING] Rename ChainOfThoughtAgent to ReActAgent
  • Implement A21 token validator
  • Add Langchain::OutputParsers

[0.5.7] - 2023-06-19

  • Developer can modify models used when initiliazing Langchain::LLM::* clients
  • Improvements to the SQLQueryAgent and the database tool

[0.5.6] - 2023-06-18

  • If used with OpenAI, Langchain::Conversation responses can now be streamed.
  • Improved logging
  • Langchain::Tool::SerpApi has been renamed to Langchain::Tool::GoogleSearch
  • JSON prompt templates have been converted to YAML
  • Langchain::Chunker::Text is introduced to provide simple text chunking functionality
  • Misc fixes and improvements

[0.5.5] - 2023-06-12

  • [BREAKING] Rename Langchain::Chat to Langchain::Conversation
  • 🛠️ Tools
    • Introducing Langchain::Tool::Weather, a tool that calls Open Weather API to retrieve the current weather

[0.5.4] - 2023-06-10

  • 🔍 Vectorsearch
    • Introducing support for HNSWlib
  • Improved and new Langchain::Chat interface that persists chat history in memory

[0.5.3] - 2023-06-09

  • 🗣️ LLMs
    • Chat message history support for Langchain::LLM::GooglePalm and Langchain::LLM::OpenAI

[0.5.2] - 2023-06-07

  • 🗣️ LLMs
    • Auto-calculate the max_tokens: setting to be passed on to OpenAI

[0.5.1] - 2023-06-06

  • 🛠️ Tools
    • Modified Tool usage. Agents now accept Tools instances instead of Tool strings.

[0.5.0] - 2023-06-05

  • [BREAKING] LLMs are now passed as objects to Vectorsearch classes instead of llm: :name, llm_api_key: previously
  • 📋 Prompts
    • YAML prompt templates are now supported
  • 🚚 Loaders
    • Introduce Langchain::Processors::Xlsx to parse .xlsx files

[0.4.2] - 2023-06-03

  • 🗣️ LLMs
    • Introducing support for AI21
  • Better docs generation
  • Refactors

[0.4.1] - 2023-06-02

  • Beautiful colored log messages
  • 🛠️ Tools
    • Introducing Langchain::Tool::RubyCodeInterpreter, a tool executes sandboxed Ruby code

[0.4.0] - 2023-06-01

  • [BREAKING] Everything is namespaced under Langchain:: now
  • Pgvector similarity search uses the cosine distance by default now
  • OpenAI token length validation using tiktoken_ruby

[0.3.15] - 2023-05-30

  • Drop Ruby 2.7 support. It had reached EOD.
  • Bump pgvector-ruby to 0.2
  • 🚚 Loaders
    • Support for options and block to be passed to CSV processor

[0.3.14] - 2023-05-28

  • 🔍 Vectorsearch
    • Not relying on Weaviate modules anymore
    • Adding missing specs for Qdrant and Milvus classes
  • 🚚 Loaders
    • Add Langchain::Data result object for data loaders
  • 🗣️ LLMs
    • Add summarize() method to the LLMs

[0.3.13] - 2023-05-26

  • 🔍 Vectorsearch
    • Pgvector support
  • 🚚 Loaders
    • CSV loader
    • JSON loader
    • JSONL loader

[0.3.12] - 2023-05-25

  • 🔍 Vectorsearch
    • Introduce namespace support for Pinecone
  • 🚚 Loaders
    • Loaders overhaul

[0.3.11] - 2023-05-23

  • 🗣️ LLMs
    • Introducing support for Google PaLM (Pathways Language Model)
  • Bug fixes and improvements

[0.3.10] - 2023-05-19

  • 🗣️ LLMs
    • Introducing support for Replicate.com

[0.3.9] - 2023-05-19

  • 🚚 Loaders
    • Introduce Loaders::Docx to parse .docx files

[0.3.8] - 2023-05-19

  • 🔍 Vectorsearch

    • Introduce support for Chroma DB

  • 🚚 Loaders

    • Bug fix Loaders::Text to only parse .txt files

[0.3.7] - 2023-05-19

  • 🚚 Loaders
    • Introduce Loaders::Text to parse .txt files
    • Introduce Loaders::PDF to parse .pdf files

[0.3.6] - 2023-05-17

  • 🗣️ LLMs
    • Bump hugging-face gem version

[0.3.5] - 2023-05-16

  • Bug fixes

[0.3.4] - 2023-05-16

  • 🗣️ LLMs
    • Introducing support for HuggingFace

[0.3.3] - 2023-05-16

  • Dependencies are now optionally loaded and required at runtime
  • Start using standardrb for linting
  • Use the Ruby logger

[0.3.2] - 2023-05-15

  • 🤖 Agents
    • Fix Chain of Thought prompt loader

[0.3.1] - 2023-05-12

  • 🛠️ Tools
    • Introducing Tool::Wikipedia, a tool that looks up Wikipedia entries

[0.3.0] - 2023-05-12

  • 🤖 Agents
    • Introducing Agent::ChainOfThoughtAgent, a semi-autonomous bot that uses Tools to retrieve additional information in order to make best-effort informed replies to user's questions.
  • 🛠️ Tools
    • Introducing Tool::Calculator tool that solves mathematical expressions.
    • Introducing Tool::Search tool that executes Google Searches.

[0.2.0] - 2023-05-09

  • 📋 Prompt Templating
    • Ability to create prompt templates and save them to JSON files
    • Default Prompt::FewShotPromptTemplate
    • New examples added to examples/

[0.1.4] - 2023-05-02

  • Backfilling missing specs

[0.1.3] - 2023-05-01

  • Initial release