Appendix D: Changelog

Version 0.1 (Draft) — February 2026

• Initial release based on SimpleGo reverse engineering (Sessions 1–20)
• Complete Double Ratchet documentation (X3DH, header/body encryption)
• Wire format encoding primitives
• All three encryption layers documented
• Agent protocol handshake flow
• 19 implementation pitfalls documented
• Five-layer versioning system explained