§ CHANGELOG · RELEASE HISTORY
Changelog
Every quarterly release, model update, and universe change documented for full transparency and reproducibility.
Q2-2026
June 4, 2026Model V3.1- Universe expanded to 184 platforms across 18 sectors (+84 platforms, +6 new sectors)
- New sectors: Telecom, Cybersecurity, Automotive, Education/Research, Healthcare IT, Industrial Software
- 10 evidence-verified score changes across 8 platforms (all with sourced audit trail)
- AI action scores rose: Copilot a+1, ChatGPT a+1 o+1, Grok m+1 a+1, Claude o+1, Gemini c+1
- Regulatory impact: Apple x+1 (DMA EU interop), App Store x+1 (CMA UK commitments)
- Chainlink p+1 (CCIP on AWS Marketplace)
- Biggest mover: Apple App Store B 6.13 → 5.64 (−0.49)
- New Black Holes: DTCC (B=15.44), Epic Systems (B=11.91), Reliance Jio (B=9.18)
- ISOC grant application submitted (R-202604-29006, $200K)
Q1-2026
April 29, 2026Model V3.1- 100 platforms scored across 12 sectors
- V3.1 model with CES aggregation, synergy corrections, org-depth and momentum multipliers
- Spearman ρ = 0.77 (p < 0.001) preliminary validation against 14-platform retention cohort
- Single-evaluator scoring; inter-rater reliability study pending (target ICC > 0.75)
- Investment signal: Q4-Q1 spread +13.4pp, Information Ratio 0.55
- Added: Cursor (Anysphere), Hyperliquid (HYPE), Perplexity, Apple Intelligence
- CMA UK submission accepted — Apple/Google app store lock-in analysis
- Platform detail pages, sector deep dives, correlation heatmap, advanced search
- Embeddable B-Score badges for journalists and analysts
- Quarterly diff view with zone migration tracking
- Public API with JSON/CSV export (CC-BY 4.0)
Q4-2025
December 31, 2025Model V3.0- Initial 100-platform universe established
- 12 sectors: AI, Crypto Assets, Crypto Infra, Social, Tech, SaaS, Banks, Fintech, Gaming, E-Commerce, Pharma, Critical Infrastructure
- V3.0 model specification with 11 parameters
- B = Capture / Escape formula finalized
- SSRN working paper submitted (Abstract ID: 6555158)
- Website launched at blackholeindex.com
Next release: Q3-2026 · October 2026 · Quarterly re-score of 184 platforms