Documentation History
Changelog
Track every documentation update across all Hayley services — filtered by service, version, or change type.
4Releases
11Services
v1.8Current
March 2025v2.0 — Coming Soon
Chat AdapterHayley EngineNode RetrievalRAG Retrieval+7 more
Full IF-Mesh v2.0 — All documentation updated to v2.0 schema
New
- Agent Orchestrator — full IF-Mesh agentic pipeline docs published
- Translate to Human — new microservice documentation
- Voice Adapter — promoted to production, full docs available
- Property KG engine open-sourced — GitHub reference added
Changed
- Hayley Engine — API request/response schema updated to v2.0
- SPF Generator — multi-property context window support documented
- Node Retrieval — performance improvement docs, p95 latency target ~40% reduction
- Chat Adapter — schema aligned with v2.0 message contract
Removed
- Subject Detector — excluded from active IF-Mesh routing (legacy endpoints preserved)
November 2024v1.8 — Legacy
Mail AdapterVoice AdapterNode RetrievalRAG Retrieval+3 more
Mail Adapter introduced, Voice beta, RAG hybrid search — docs updated
New
- Mail Adapter — Hayley Mail pipeline documentation added
- Voice Adapter — beta docs published, 5 STG properties listed
- Property KG — KG Taxonomy DEV Notion database reference published
Changed
- RAG Retrieval — upgraded to hybrid dense + sparse search, docs updated
- Fixed Response — renamed from Static Response, service reference updated
Fixed
- Node Retrieval — timeout issue on large property datasets resolved in docs
- Chat Adapter — message thread deduplication behaviour clarified
September 2024v1.5 — Legacy
SPF GeneratorHayley Enginesubject-detectorNode Retrieval+2 more
IF-Mesh framework v1.0 architecture documented, SPF Generator introduced
New
- IF-Mesh framework v1.0 architecture — full documentation published
- SPF Generator — introduced for structured property flow, docs added
- Benchmark datasets published for 6 microservices
Changed
- Subject Detector — deprecated from primary routing path, docs updated
- Hayley Engine — refactored for multi-service orchestration, reference updated
June 2024v1.0 — Initial Release
Node RetrievalChat AdapterRAG Retrievalfixed-response+2 more
Initial Hayley System documentation dashboard launched
New
- Node Retrieval — initial documentation
- Chat Adapter — initial documentation
- RAG Retrieval — initial documentation
- Fixed Response — initial documentation
- Subject Detector v1.0 — API documentation
- Property KG — first internal release documented
API Version Matrix
Documentation version per service across each system release.
| Service | v1.0 Jun 2024 | v1.5 Sep 2024 | v1.8 Nov 2024 | v2.0 Mar 2025 |
|---|---|---|---|---|
| Node Retrieval | 1.0 | 1.0 | 1.5 | 2.0 |
| Chat Adapter | 1.0 | 1.0 | 1.5 | 2.0 |
| RAG Retrieval | 1.0 | 1.0 | 1.5 | 2.0 |
| Fixed Response | 1.0 | 1.0 | 1.5 | 2.0 |
| SPF Generator | — | 1.0 | 1.5 | 2.0 |
| Subject Detector | 1.0 | 1.0 | 1.0 | 1.0 excluded |
| Hayley Engine | 1.0 | 1.5 | 1.8 | 2.0 |
| Agent Orchestrator | — | — | — | 2.0 |
| Translate to Human | — | — | — | 2.0 |
| Mail Adapter | — | — | 1.0 | 1.5 |
| Hayley Voice | — | — | beta | 2.0 |