Protocol Status
Specification Status
Section titled “Specification Status”- Version: 0.10
- Status: Breaking Rewrite in Progress
- Last Updated: March 2nd, 2026
Breaking Changes
Section titled “Breaking Changes”The following areas are being rewritten (not backwards compatible):
- Authentication: JWT -> PrivacyPass (unlinkable authentication)
- Wire Format: Single envelope -> Double-encrypted envelopes
- Delivery Addresses: Current system -> Mailbox keypairs
What Remains Stable
Section titled “What Remains Stable”- MLS as E2EE foundation
- Two-layer identity architecture
- InfoPackages and contact exchange model
- Moderation architecture
Target
Section titled “Target”Hard freeze after authentication and envelope changes are fully specified and implemented.