# Changelog #0003

Welcome to Butter’s third weekly changelog. This week we’ve been focused on content, documentation, and examples.

## New Examples

Examples section added to [Docs](https://docs.butter.dev), highlighting how to repoint popular AI tools through the Butter proxy endpoint. These include:

* LLM Clients & Agent Frameworks
    
    * [Langchain / Langgraph](https://docs.butter.dev/examples/langchain)
        
    * [Vercel AI SDK](https://docs.butter.dev/examples/vercel)
        
    * [Mastra](https://docs.butter.dev/examples/mastra)
        
    * [Pydantic AI](https://docs.butter.dev/examples/pydantic_ai)
        
    * [Crew AI](https://docs.butter.dev/examples/crew_ai)
        
    * [AI Suite](https://docs.butter.dev/examples/ai_suite)
        
    * [LiteLLM SDK](https://docs.butter.dev/examples/litellm#litellm-sdk)
        
* Other HTTP proxies/gateways
    
    * [Helicone](https://docs.butter.dev/examples/helicone)
        
    * [LiteLLM](https://docs.butter.dev/examples/litellm#litellm-proxy)
        
    * [Martian](https://docs.butter.dev/examples/martian)
        
* Specialized Tools
    
    * [Browser Use](https://docs.butter.dev/examples/browser_use) (custom fork)
        
    * [DSPy](https://docs.butter.dev/examples/dspy)
        

## Bugfixes & Improvements

* Fixed race condition which caused thrashing in server’s disk cache
    
* Added internal load tests, currently hitting ~120rps