RAG That Pulls Its Weight: How Fred’s Retrieval Stack Leveled Up

Fred’s latest release strengthens retrieval: Lucene HNSW with cosine, semantic/hybrid/strict modes, corpus/global scope controls, chunk visibility, and attachment summaries injected into context. This post explains the why and the how.

December 11, 2025 in platform, update by Romain Perennes, Dimitri Tombroff and Simon Cariou5 minutes