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+ --- +## 🆕 What's New in v0.5.0 + +**Released May 11, 2026** · [Full Release Notes](RELEASE_NOTES.md) · [Changelog](CHANGELOG.md) + +### Distance Intelligence Framework +- **10x+ embedding cache performance** — per-session revision-based caching with thread-safe invalidation +- **Semantic Neighborhood Search** — context-aware similarity with proximity metrics +- **Distance Matrix API** — N×N semantic distance calculations with caching +- **Advanced UI** — ego mode, overlays, heatmap, and path inspector + +### Complete Ontology Hub Suite +- **Alignments Tab** — cross-ontology alignment authoring with ML-powered confidence scoring +- **Health Dashboard** — quality scoring across 5 dimensions with actionable issue tracking +- **SHACL Studio** — interactive shape authoring with Monaco editor +- **Visual Editor** — drag-and-drop ontology construction without hand-coding +- **16 new backend endpoints** — full CRUD and analysis for ontology management + +### More in This Release +- **Parquet Ingestion** — PyArrow backend with column selection and partition support +- **O(log n) Indexed Search** — 118k nodes: 24ms → 0.004ms +- **12 Security Vulnerabilities Fixed** — eval injection, XXE, SQL injection, SSRF, and more +- **Windows & cross-platform fixes** — Unicode console, pipx install, optional dependency cleanup + +--- + ## The Problem AI agents today are powerful but not trustworthy: