2026-03-02 Messaging Weekly

• Chat:
  • Resolved Rust→Nim ABI mismatch, enabling static linking of libchat and RLN
  • Added ListConversations API to libchat
• Logos Integrations:
  • First validations of logos-delivery-module and completed first health API version
  • Logos Core module API docs
  • Switched modules to use logos.dev fleet

Create Chat SDK MVP §

• [Deliverable] Chat SDK Developer Preview

  • achieved:
    • [chat] feat: ListConversations API in libchat
    • [chat] fix: all-endpoints Nim bindings test and installation_name ABI fix
    • [chat] fix: replace dynlib dlopen with plain importc for static linking support
    • [chat] feat: Rust→Nim ABI mismatch fix via C wrapper translation layer
    • [chat] feat: Identity Simplification in logos-chat
    • [chat] feat: statically link libchat and RLN via rust-bundle
    • [chat] feat: switch to logos.dev fleet
    • [chat] fix: Chat history of multiple chats, UI improvements
  • next:
    • [chat] Clean up Logos Core module API and expose convenience functions

• [Deliverable] Chat SDK Bindings

  • achieved:
    • [chat] Add API docs to logos-chatsdk-module
    • [chat] docs: update logos-chatsdk-ui readme
    • [chat] Readme overhaul for logos-chat
    • [chat] fix: mac build
    • [chat] ci: reduce CI times by unifying jobs and caching Cargo artifacts
    • [chat] feat: add nix flake to logos-chat
    • [chat] Fixed integration of Chat module in Logos App
  • next:
    • [chat] Create minimal code examples for bot developers

API access to P2P Reliability for Desktop §

• [Deliverable] Introduce Waku API in nwaku
  • achieved:
    • [delivery] Create logos-delivery-module
    • [delivery] Health API support for liblogosdelivery library and logos-delivery-module
      • Health status event support
      • Health API support in logos-delivery-module
    • [delivery] Create debug API spec
  • next:
    • [delivery] Implement receive/subscribe API
    • [delivery] Deploy logos.dev messaging fleet
    • [delivery] Implement debug API in logos-delivery
    • [delivery] Implement subscribe API
    • [delivery] Move destroy and more security check in logos-delivery
    • [delivery] Enhance createNode security in logos-delivery-module
    • [delivery] Add doxygen documentation in logos-delivery-module
    • [delivery] Enhance Logos Messaging API config:
      • Allow flatten json sturcture for liblogosdelivery.
      • Support preset switch for easy configure target fleet
      • Support storeMessageDbUrl switch to enable fleet mode logos-core headless run as store-node in fleet.

Maintenance §

• next:
  • [delivery] Start using Nimble in logos-delivery