October 14, 2026
HydraFusion: Max Tier in GitHub Copilot for Multi-File Refactoring

The HydraFusion model pool was updated on Oct 14 with Claude Opus 5.5, GPT-6 Astra, GPT-6.1 Sol and GPT-6 Luna. The new HydraFusion Max tier targets multi-file refactoring, architecture analysis and security review.