v4.5.1

onyx-dot-app/onyxv4.5.1Aug 4, 2026by github-actions[bot]

AI Summary

Fixes for chat model routing and search surface permissions.

Key Highlights

Chat model selection now routes by model configuration ID
Search surface is now gated by read:search permission instead of basic

New Features

LLM routing logic improvements
Permission system updates

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): route chat model selection by model configuration id (#13731) to release v4.5 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/13737
* fix(auth): gate the search surface on read:search instead of basic (#13739) to release v4.5 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/13740

**Full Changelog**: https://github.com/onyx-dot-app/onyx/compare/v4.5.0...v4.5.1