v0.4.3

ogx-ai/ogxv0.4.3Jan 26, 2026by cdoern

AI Summary

Maintenance release backporting vector store and client improvements from v0.5.0, including fixes for metadata handling and concurrency issues.

Key Highlights

  • Enabled vector store registration from config with OpenAI metadata
  • Fixed redundant MCP tools/list calls
  • Fixed file_search_call results missing document attributes/metadata
  • Fixed concurrent calls into SentenceTransformer() causing failures
  • Added shutdown functionality to LlamaStackAsLibraryClient and AsyncLlamaStackAsLibraryClient
  • Implemented automatic PGVector extension creation

New Features

  • Shutdown functionality for LlamaStackAsLibraryClient and AsyncLlamaStackAsLibraryClient
  • Automatic PGVector vector extension creation

Full Release Notes

## What's Changed
* fix: enable vector store registration from config with OpenAI metadata (backport #4616) by @mergify[bot] in https://github.com/llamastack/llama-stack/pull/4631
* fix: Fix redundant MCP tools/list calls (backport #4634) by @mergify[bot] in https://github.com/llamastack/llama-stack/pull/4663
* fix: file_search_call results missing document attributes/metadata (backport #4680) by @mergify[bot] in https://github.com/llamastack/llama-stack/pull/4686
* fix: Concurrent calls into SentenceTransformer() cause failures of client.vector_stores.file_batches.create() (backport #4636) by @mergify[bot] in https://github.com/llamastack/llama-stack/pull/4698
* feat: Add shutdown functionality to LlamaStackAsLibraryClient and AsyncLlamaStackAsLibraryClient (backport #4642) by @mergify[bot] in https://github.com/llamastack/llama-stack/pull/4733
* feat(PGVector): implement automatic creation of vector extension during initialization of PGVectorVectorIOAdapter (backport #4660) by @mergify[bot] in https://github.com/llamastack/llama-stack/pull/4740


**Full Changelog**: https://github.com/llamastack/llama-stack/compare/v0.4.2...v0.4.3