2026-06-15 Messaging Weekly

Highlights §

• Logos Delivery:
  • feat: bump nim-libp2p to v2.0.0
• Logos Chat:
  • DeMLS Integration : https://github.com/logos-messaging/libchat/pull/134

Logos Delivery §

Messaging API — General Availability §

• [Deliverable] Stabilize and improve Messaging API, fix bugs
  • achieved:
    • feat: unify libs into a single liblogosdelivery
    • feat: Improve config (v2)

Reliable Channel API — Developer Preview §

• [Deliverable] Implement Reliable Channel API
  • achieved:
    • feat: wire ReliabilityManager into the Reliable Channel — integrate SDS core logic into logos-delivery

Support QUIC Transport in Logos Delivery §

• [Deliverable] Trial QUIC
  • next:
    • feat: QUIC transport support
    • QA-reproducible QUIC-in-Logos-Delivery used in Logos Delivery Simulator to validate QUIC support

RLN for lightpush §

• [Deliverable] Improve RLN UX by reducing contract interactions
  • next:
    • message validation rejection triggers root poll and retry

Logos Chat §

Chat — Group Conversations §

• [Deliverable] Add Group Chat

  • achieved:
  • Add Threaded transport : https://github.com/logos-messaging/libchat/pull/125
  • Make Core Sendable : https://github.com/logos-messaging/libchat/pull/123
  • DeMLS Integration : https://github.com/logos-messaging/libchat/pull/134

• Implement simple identity model

  • achieved:
    • Extend http registry to store accounts : https://github.com/logos-messaging/libchat/pull/129
    • Update context to accept external Identity Providers : https://github.com/logos-messaging/libchat/pull/127

• Remove unnecessary Nim shim from Logos Chat

  • achieved:
    • Remove client-ffi and legacy nim bindings : https://github.com/logos-messaging/libchat/pull/133

Status §

Integrate logos-delivery in Status §

• [Deliverable] Integrate Messaging API in status-go
  • achieved:
    • Fixed functional tests flakiness for light client:
      • fix: prefer connected peers (light-client test flakiness)
    • Cleaning up and preparing a MessagingAPI shim in status-go:
      • refactor(transport): move wire-subscription management behind MessagingAPI
      • test(functional): run chat compatibility tests in full/light client matrix
      • refactor(waku): drop Version/PeerCount and move GetCurrentTime to transport
      • refactor(waku): remove key storage from the waku adapter
      • feat: introduce StoreClient facade to decouple store access from go-waku
      • refactor(waku): remove the Filter machinery from the adapter
      • refactor(transport): decode received messages at most once per key
      • chore: remove unused waku/ext peer, stats & ENR API
    • Cherry-picked migrations to develop branch:
      • feat(transport): decode incoming version=0 payloads as WakuV1 (#7499 phase 1)
      • feat(communities): listen for community control on the default shard (32) (#7498 phase 1)
      • chore: remove unused wakuext service methods
      • refactor(messaging): lift rfc26 decoding to Transport
    • Started prepareing logos-delivery-go-bindings for adding Messaging API:
      • refactor: adopt golang-standards/project-layout
      • ci: add PR-gate workflow + fix module path
      • feat: liblogosdelivery cgo bridge (internal/ffi) + CI wiring
      • refactor: extract libwaku cgo bridge into internal/ffi

Maintenance §

• achieved:
  • feat: bump nim-libp2p to v2.0.0
  • bug: Docs list config keys that the node does not accept
• next:
  • chore: prepare release v0.39.0
  • RecvService: only backfill from Store after offline periods, not every 5 min while Connected
  • API design
    • Structured API layers
      • POC: structured api interface