v4.3.6

onyx-dot-app/onyxv4.3.6Jul 15, 2026by github-actions[bot]

AI Summary

A maintenance release improving concurrency handling for LLM calls.

Key Highlights

Implemented read-write lock for LLM calls to improve concurrency.

Full Release Notes

## Warning
Do not upgrade to this release if you want to preserve your existing indexed documents but have not yet run the document index migration, which can be done from any version v3.x. [See additional documentation here](https://docs.onyx.app/admins/advanced_configs/opensearch_document_index_migration#opensearch-document-index-migration).

See the assets to download this version and install.

## What's Changed
* fix(llm): Use read-write lock when sending calls (#12979) to release v4.3 by @Danelegend in https://github.com/onyx-dot-app/onyx/pull/12984

**Full Changelog**: https://github.com/onyx-dot-app/onyx/compare/v4.3.5...v4.3.6