v0.4.0

✨ Enhancements

• Refactor DB-GPT Web
• Add DB-GPT MetaData Module (#696)
• Switch BaseDao from MetaData (#693)
• Add ChatPlugin Module (#680)
• Support use custom log file name and tracer file name (#690)
• Read and save system information to tracer (#670)
• Support cross-service data recording and analyze (#665)
• Support vLLM (#658)
• Llama.cpp support new GGUF file format (#649)

🐞 Bug fixes

• Fix remote embedding model start error (#708)
• DB metadata charset bug (#698)
• ChatData (#694)
• Fix type exception when use office ppt database (#679)
• DB schema not complete bug (#675)
• Fix load some quantization model error (#674)
• Fix openai adapt previous proxy_server_url configuration and support azure openai model (#668)
• use openai package instead of requests (#619)
• Fix zh_CN document error for Debugging (#666)
• Chroma persist_path compatible with old version (#657)
• .env other vector db customize vector store config does not work (#656)

🛠️ Other improvements

• Update tutorial and application document
• Add unit test for worker manager (#681)
• Fix zh_CN document error for Debugging (#666)

Thank you to all our contributors for making this release possible!
@Aries-ckt, @SimonChuZZ, @cabljac, @csunny, @fangyinc, @oushu1zhangxiangxuan1, @peter-wangxu, @quqibing, @yhjun1026, @yihong0618 and simonchuzz