2026-04-27 Messaging Weekly

Logos Delivery

Reliable Channel API — Developer Preview

• [Deliverable] Implement Reliable Channel API

  • next:
    • first version reliable-channel-api spec
    • add nim-sds dependency into logos-delivery (no runtime integration yet)
    • implement SQLite management in a separate thread

• [Deliverable] Implement SDS-Repair

  • next:
    • Implementation of SDS-Repair

Support QUIC Transport in Logos Delivery

• [Deliverable] Trial QUIC
  • blockers:
    • This issue is paused from logos-delivery PoV until libp2p issues are fixed. See: nim-lsquic benchmark

Fleet stability

• [Deliverable] Resolve known fleet stability issues
  • achieved:
    • improve logging of content topic on server

Logos Chat

Chat — Group Conversations

• [Deliverable] Add Group Chat

  • achieved:
    • Add Signature + Verifying key types - https://github.com/logos-messaging/libchat/pull/93

• [Deliverable] Enable usage with RLN SDK

  • achieved:
    • Add logos-delivery to chat-cli - https://github.com/logos-messaging/libchat/pull/91

• Implement simple identity model

  • achieved:
    • Add Account Struct - https://github.com/logos-messaging/libchat/pull/94

Logos Core

Initial integration into Logos Core

• [Deliverable] Deploy required fleets for Testnet
  • achieved:
    • Tested as full service node on logos.dev - store service enabled
  • next:
    • Allow delivery_module running store capable node on fleets

Maintenance

• achieved:
  • fix relay validator registration and sync filter
  • fix memory leaks in nim-ffi
• next:
  • service ports default to 0 (auto-assign)
  • leverage AI to follow a proper style guide