v2.2.0 - AionPlus Release

Pontifex v2.2.0 (AionPlus) Release Notes

• AION Integration: Added calibrated neural deep-learning foundation expert (aion) alongside existing Mixture of Experts (gpz, bpz, fzboost, nn1, nn2, knn).
• Hyperparameter & Prior Optimization: Calibrated blending filters, cosmic priors, and mixture gating weights across all Cardinal and Flagship 1-year and 10-year challenge tasksets.
• Cross-Validation Benchmarks: Complete 5-fold cross-validation metrics across 16 datasets with comprehensive PDF performance table.
• Data Challenge Submissions: Updated submissions and verified CI across nz_data_challenge and pz_data_challenge.