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v4.4.8

labring/FastGPTv4.4.8Jul 31, 2026by github-actions[bot]

AI Summary

A maintenance release focusing on bug fixes for document indexing (BookStack, SharePoint, XLSX), citation processing, and LLM provider rejections, while introducing an admin-selectable API mode for Bifrost.

Key Highlights

  • Fixed document indexing issues for BookStack, SharePoint, and XLSX files.
  • Fixed citation processor to stop corrupting code fences in chat responses.
  • Added admin-selectable API mode for Bifrost LLM integration.
  • Improved LLM refusal handling to classify model refusals instead of generic errors.

Breaking Changes

  • Migration required: Do not upgrade if you have existing indexed documents that have not yet run the document index migration.

New Features

  • Admin-selectable API mode for Bifrost

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(bookstack): index documents updated on the current day (#13537) to release v4.4 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/13543
* fix(files): extract cached calculated values from xlsx, not formula strings (#13536) to release v4.4 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/13544
* fix(sharepoint): retry empty/non-JSON Graph responses instead of aborting indexing (#13540) to release v4.4 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/13547
* fix(chat): stop citation processor from corrupting code fences (#13538) to release v4.4 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/13548
* fix(llm): degrade and retry provider-rejected reasoning params (backport of #13378 to release/v4.4) by @justin-tahara in https://github.com/onyx-dot-app/onyx/pull/13619
* fix(chat): classify model refusals instead of generic EmptyLLMResponseError (#13332) to release v4.4 by @evan-onyx in https://github.com/onyx-dot-app/onyx/pull/13634
* fix: hierarchynodes accessible private connectors (#13625) to release v4.4 by @evan-onyx in https://github.com/onyx-dot-app/onyx/pull/13645
* chore: add refusal reasons (#13628) to release v4.4 by @evan-onyx in https://github.com/onyx-dot-app/onyx/pull/13646
* fix: knowledge pane query filters (#13665) to release v4.4 by @evan-onyx in https://github.com/onyx-dot-app/onyx/pull/13671
* feat(llm): admin-selectable API mode for Bifrost (#13642) to release v4.4 by @justin-tahara in https://github.com/onyx-dot-app/onyx/pull/13677
* fix(llm): harden litellm responses bridge for gateway streaming variants (#13668) to release v4.4 by @justin-tahara in https://github.com/onyx-dot-app/onyx/pull/13678


**Full Changelog**: https://github.com/onyx-dot-app/onyx/compare/v4.4.7...v4.4.8