Fess 15.5.1
We're pleased to announce the release of Fess 15.5.1.
This release focuses on significant improvements to the AI Search Mode, introducing an abstracted LLM client layer, expanded model support, and enhanced configurability for both OpenAI and Gemini providers.
🔧 Improvements
AI Search Mode
- Introduced an abstracted LLM client layer with configurable system/user prompts, locale-aware responses, and unified context handling across providers
- Added per-provider configurable max tokens setting and support for OpenAI reasoning models (o-series)
- Added Gemini thinking budget support and updated the streaming response parser for compatibility with Gemini 3
- Fixed token parameter handling to use
max_completion_tokensfor newer OpenAI models, ensuring correct behavior with the latest API specifications
We recommend upgrading to Fess 15.5.1 to take advantage of the improved AI Search Mode with broader model support and enhanced configurability.
📜 Documentation
📦 Docker Image: GitHub Packages - codelibs/fess
💬 Community Forum: discuss.codelibs.org
Thank you for using Fess!