v4.0.8

bigcapitalhq/bigcapitalv4.0.8Jun 17, 2026by justin-tahara

AI Summary

A maintenance release focusing on dependency updates and LLM routing improvements.

Key Highlights

Bumped Azure Cognitive Services Speech SDK version.
Routes Claude Fable 5 and Mythos 5 through adaptive thinking.
Restored vision detection for custom-config providers.

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
* chore(deps): bump `azure-cognitiveservices-speech`: 1.38.0->1.50.0 (#11894) to release v4.0 by @jmelahman in https://github.com/onyx-dot-app/onyx/pull/11897
* fix(llm): route Claude Fable 5 / Mythos 5 through adaptive thinking (#11992) to release v4.0 by @jmelahman in https://github.com/onyx-dot-app/onyx/pull/11994
* fix(llm): restore vision detection for custom-config providers (LiteLLM Proxy) (#12136) [v4.0] by @justin-tahara in https://github.com/onyx-dot-app/onyx/pull/12140

**Full Changelog**: https://github.com/onyx-dot-app/onyx/compare/v4.0.7...v4.0.8