Release v0.31.31 - "Mega Scout"

Release Date: February 16, 2026

Features

• Add API-based BC5D table generator with dense bins

Bug Fixes

• Handle None weather values in supersonic range endpoint
• Remove orphaned drag_pure_test.rs (tests now in ballistics-engine)
• Store whole-file CRC32 in BC5D manifest for download verification
• Recalibrate ClusterBCDegradation velocity bands from measured data (MBA-645) MBA-645
• Address AI-detected issues in similar_bullet_interpolation.py (MBA-641) MBA-641
• Correct 3D coordinate targeting for trajectory calculations (MBA-637, MBA-638) MBA-637
• Switch email reporter from SendGrid to AWS SES

Performance

• Add cached singleton for BCSegmentDatabase (MBA-635) MBA-635

Documentation

• Add BC5D table generation instructions to CLAUDE.md

Chores

• Move tests requiring Firebase/external services to attic
• Move tests requiring external services to attic
• Clean up project root directory structure
• Update ballistics-engine to v0.13.38 and add release notes
• Bump version to 0.31.28
• Add release notes, debug scripts, and BC table POC scripts
• Bump version to 0.31.27

Other

• security: Update urllib3 to 2.6.3 to fix CVE-2025-66418, CVE-2025-66471, CVE-2026-21441

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