CHANGELOG

All notable changes to the SIGMA Unified Global Standards Index are documented here. Format: [Semantic Versioning](https://semver.org/). Data changes use the same version scheme.

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[Unreleased]

Planned

• Phase 2E UN/OHCHR human-rights treaty promotion from staging to release
• Phase 2D WHO IRIS normative candidates promotion from staging to release
• v1.0 GitHub Release tag + Zenodo DOI assignment
• HDX (Humanitarian Data Exchange) dataset submission
• REST API deployment (Cloudflare Workers free tier)
• Multilingual field additions: name_full_fr, name_full_es, name_full_ar

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[0.9.0] — 2026-05-04 (Current)

Added

• Phase 7B: Sports and Recreation priority ingestor (WADA, IOC, IFAB, World Athletics, CAS, FIBA, ITF) — 9 entries
• Phase 7A: Culture and Heritage priority ingestor (UNESCO, ICOMOS, ICOM, ICCROM) — 9 entries
• Phase 8A: National standards body registry slice (ANSI, BSI, DIN, BIS, JISC, SAC, ABNT, SABS, KEBS, BSTI) — initial 10 bodies
• Phase 6B: CCSDS and ECSS space standards ingestor — 9 entries
• Phase 6A: IEC electrotechnical priority ingestor — 8 entries
• Phase 5E: OASIS, Ecma, and GS1 open ICT standards ingestor
• Phase 5D: ETSI ICT standards priority ingestor
• Phase 5C: ITU-T telecommunications priority ingestor
• Phase 5B: W3C web standards priority ingestor
• Phase 5A: NIST cybersecurity and AI priority ingestor — 7 entries
• Phase 4A: GRI and SASB sustainability reporting ingestor — 11 entries
• Phase 3A: IAEA Safety Standards priority ingestor — 9 entries
• Phase 2C: Humanitarian standards expansion (CHS, INEE, IASC, UNHCR, WHO EMT) — 7 entries
• Phase 2B: Codex Alimentarius priority ingestor — 9 entries
• Phase 2A: Health priority ingestor (WHO/Sphere/WASH) — 5 entries
• Domain agent scaffold: domain_agents.yml workflow with 12 domain workers
• run_domain_worker.py runner for scheduled and manual agent dispatch
• Pagefind search index on GitHub Pages (make pagefind-search)
• build_relationship_quality.py — relationship graph audit report
• stage_un_treaties.py — UN Treaty Collection staging pipeline
• check_urls.py — monthly URL health audit
• build_static_site.py — GitHub Pages static site generator
• sync_google_sheet.py — Google Sheet curation sync
• All 8 GitHub Issue templates (broken link, domain expansion, duplicate, error correction, missing standard, new entry, source correction, config)
• AGENTS.md — repository-wide instructions for Codex and automation agents
• .github/copilot-instructions.md — GitHub Copilot instructions
• docs/PROJECT_KNOWLEDGE_GRAPH.md — maintainer pipeline map
• docs/SIGMA_GAP_ANALYSIS_AND_ENHANCEMENT_PLAN.md — external gap analysis
• docs/PROJECT_STATUS_REPORT_2026-05-02.md — milestone status report
• docs/OPERATOR_DASHBOARD.md — maintainer operations dashboard
• docs/AGENT_MEMORY_HANDOFF.md — safe durable memory handoff
• docs/GITHUB_AGENTIC_SETUP_GUIDE.md — click-by-click setup guide
• data/reference/domain_worker_registry.csv — GitHub domain-agent registry
• data/reference/research_tasks.csv — 24-month research plan as machine-readable tasks
• data/relationships/relationships_template.csv — graph edge template
• BindingDB life-science research utilities (bindingdb_lookup.py, rest_request.py)
• Required gate workflow (required_gate.yml)

Changed

• Release bundle expanded to 13 artifact types
• README enhanced with sample records table, phase-by-phase documentation, badges
• SCHEMA.md updated with supplementary entity table specifications
• Makefile extended to 30+ deterministic targets

Fixed

• Quality gate now catches duplicate sigma_id, missing required fields, malformed URLs

Metrics

• Master entries: 88,204
• Relationship edges: 20,140
• Canonical domains: 40 / 40
• Quality gate: PASS (0 critical failures)

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[0.5.0] — 2026-04-15

Added

• ISO Open Data seed (25,703 standard metadata records)
• IETF RFC Editor bulk seed (9,400+ internet protocol records)
• ILO NORMLEX bulk ingestor (252 Convention and Recommendation entries)
• Wikidata SPARQL national standards body metadata
• validate_schema.py, validate_relationships.py, build_quality_gate.py
• build_release.py generating CSV, JSON, JSONL, and API index artifacts
• build_domain_coverage.py — per-domain entry count report
• extract_relationships.py — ILO supersedes and ISO references graph edges
• validate_domain_registry.py, build_research_task_report.py
• CI workflow (ci.yml) with schema validation and release build
• Schema validation workflow (schema_validation.yml)
• Release build workflow (release_build.yml)
• Pages workflow (pages.yml) with Pagefind integration
• URL health check workflow (url_check.yml) on monthly schedule
• 22-field SIGMA master schema (SCHEMA.md)
• 40-domain canonical taxonomy (data/reference/domain_taxonomy.csv)
• Source registry (data/reference/source_registry.csv)
• CC BY 4.0 LICENSE
• pyproject.toml with 6 CLI entry points
• CODE_OF_CONDUCT.md

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[0.1.0] — 2026-04-01

Added

• Initial repository structure at github.com/sigma-standards/sigma-index
• GitHub organisation sigma-standards created
• README.md, CONTRIBUTING.md, SCHEMA.md
• ISO raw seed files committed to data/raw/iso/
• GitHub Pages enabled

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*Maintained by Mohammad Ariful Islam — CPI Bangladesh Mission.* *Corrections welcome via GitHub Issues: https://github.com/sigma-standards/sigma-index/issues*