2026-06-29 Messaging Weekly

Highlights §

• Logos Integrations:
  • Released logos-chat-module v0.1.1 and logos-chat-ui v0.1.1

Logos Delivery §

Messaging API — General Availability §

• [Deliverable] Stabilize and improve Messaging API, fix bugs
  • achieved:
    • feat: add LogosDelivery orchestrator as project entry point
    • fix: retry send tasks stuck in Entry state
    • fix: Cap store checks on propagated messages by MessagingClient
    • fix: start_node() after stop_node() re-opens the listener
    • Apply LogosDelivery Orchestrator changes to api_send tests
    • API design
      • Chore: api shape phase2
      • Integrate api-shape phase2 (#3989) + api interfaces (#3975)
  • next:
    • create a separate binary to allow DST test messaging-client API
    • API design
      • api: define layer contracts with concept, not RootObj inheritance
      • messaging: depend on the Waku kernel, not the raw WakuNode
      • fix: Structured API Layers PR review (suggested fixes)

Reliable Channel API — Developer Preview §

• [Deliverable] Implement Reliable Channel API
  • achieved:
    • Create first phase of interop tests for reliable channel API
  • next:
    • chore: replace ReliableChannel sendhandler hack
    • E2E testing of LogosDelivery Reliable Channel API

Support QUIC Transport in Logos Delivery §

• [Deliverable] Trial QUIC
  • achieved:
    • docs: document enabling QUIC transport
    • chore: Fix .md docs (fix broken links, add QUIC notes)
  • next:
    • feat: DST scale validation of QUIC transport

RLN for lightpush §

• [Deliverable] Improve RLN UX by reducing contract interactions
  • achieved:
    • Progress on isolating RLN into a self-contained module usable by any protocol:
      • phase 1 - extract generateRlnValidator into temp adapter dir
      • phase 2 — rename/restructure waku_rln_relay → waku_rln
      • phase 3 — inline RLN validator, allow mountRlnRelay without wakuRelay
    • test: add S16 lightpush dynamic-recovery unittest
    • bug: RLN fails to reset at epoch limit
  • next:
    • phase 4 — wire lightpush callbacks to call RLN directly
    • chore: do not override Rln result instance

Fleet stability §

• [Deliverable] Resolve known fleet stability issues
  • next:
    • fix(discovery): prune stale discv5 peers from peer store so PX stops serving dead ENRs

Logos Chat §

Chat — Group Conversations §

• [Deliverable] Add Group Chat

  • achieved:
    • Add ChatClientBuilder - https://github.com/logos-messaging/libchat/pull/145
    • Componentize Logos Delivery - https://github.com/logos-messaging/libchat/pull/148
    • Enable DeMLS configuration for Description and group name - https://github.com/logos-messaging/libchat/pull/156
    • Cleanup Transport mechanisms
      • https://github.com/logos-messaging/libchat/pull/157
      • https://github.com/logos-messaging/libchat/pull/159
    • Demls bug fixes - https://github.com/logos-messaging/libchat/pull/160

• Implement simple identity model

  • achieved:
    • Attach Sender information to members - https://github.com/logos-messaging/libchat/pull/146

• Implement contact discovery

  • achieved:
    • Unify KeyPackages between Convos - https://github.com/logos-messaging/libchat/pull/147

Logos Core §

Logos Core integration — phase 2 §

• [Deliverable] Integrate Chat and Delivery Logos Core modules

  • achieved:
    • Doc Chat-module usage - https://github.com/logos-co/logos-chat-module/pull/36

• [Deliverable] Add support for groups in Logos Core Chat module

  • next:
    • Add DirectV1 support in Chat module - https://github.com/logos-co/logos-chat-module/pull/37

• [Deliverable] Build Logos Core demo app in QML

  • next:
    • Add DirectV1 support in Chat module UI - https://github.com/logos-co/logos-chat-ui/pull/30

Maintenance §

• achieved:
  • Workaround MacOS build issue between new bearssl 0.2.9 and chronos
  • chore: build C/C++ examples on macOS via POSIX getopt
  • Temporarily extend CI test job timeout
  • feat(ffi): sharded MPSC request ingress
• next:
  • FFI library consolidation
  • feat: adopt nim-ffi 0.2 CBOR ABI (nim-sds v0.2.0-rc.1)
  • Refactor: replace all Option (std/options) with Opt (results)
  • fix: remove hardcoded ports in tests
  • fix: fix portsShift feature