Onyx Community Edition

v4.3.7 Breaking

This release includes 1 breaking change for platform teams planning a safe upgrade.

Published 11d LLM Frameworks

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

ai ai-chat chatgpt chatui enterprise-search gen-ai

+7 more

information-retrieval llm llm-ui nextjs python self-hosted vector-db

Summary

AI summary

Drops hardcoded vision support in llm, enforces bot agent access before answering slack messages, and adds Windows ARM64 desktop builds.

Changes in this release

Type	Severity	Summary	CVE
Feature	Low	Adds Windows ARM64 desktop builds. Adds Windows ARM64 desktop builds. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix	Medium	Enforces bot agent access before answering Slack requests. Enforces bot agent access before answering Slack requests. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix	Medium	Resolves reasoning support from LiteLLM cost map for dynamic providers. Resolves reasoning support from LiteLLM cost map for dynamic providers. Source: llm_adapter@2026-07-16 Confidence: high	—
Refactor	Low	Drops hardcoded infer_vision_support, uses LiteLLM cost map. Drops hardcoded infer_vision_support, uses LiteLLM cost map. Source: llm_adapter@2026-07-16 Confidence: high	—

Full changelog

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.

See the assets to download this version and install.

What's Changed

fix(slack): enforce bot agent access before answering (#12894) to release v4.3 by @wenxi-onyx in https://github.com/onyx-dot-app/onyx/pull/12988
feat(desktop): add Windows ARM64 desktop builds (#13032) to release v4.3 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/13036
refactor(llm): drop hardcoded infer_vision_support, use LiteLLM cost map (#13052) to release v4.3 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/13058
fix(llm): resolve reasoning support from LiteLLM cost map for dynamic providers (#13051) to release v4.3 by @jmelahman in https://github.com/onyx-dot-app/onyx/pull/13073

Full Changelog: https://github.com/onyx-dot-app/onyx/compare/v4.3.6...v4.3.7

Breaking Changes

Removed hardcoded infer_vision_support in llm; behavior now driven by LiteLLM cost map.

View diff on GitHub

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About Onyx Community Edition

Chat UI that works with any LLM. It comes loaded with advanced features like agents, web search, RAG, MCP, deep research, Connectors to 40+ knowledge sources, and more.

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Earlier breaking changes

v4.3.5 Requires running the OpenSearch document index migration before upgrading.
v4.0.2 Requires running the OpenSearch document index migration before upgrading to v4.0.
v3.3.7 Environment variable DANSWER_RUNNING_IN_DOCKER renamed to ONYX_RUNNING_IN_DOCKER.
v3.0.13 OpenSearch enabled as default search backend replacing Vespa
v3.0.13 License enforcement enabled by default in EE mode