2026-06-08 Messaging Weekly

Highlights §

• Logos Delivery:
  • Lift Messaging API out of Waku into its own layer
  • chore: retrieve cache of merkle roots from RLN contract
• Logos Chat:
• Logos Integrations:
• Status:
  • Cross-version chat compatibility tests

Logos Delivery §

Reliable Channel API — Developer Preview §

• [Deliverable] Implement Reliable Channel API
  • achieved:
    • feat: introduce SDS persistency glue
    • refactor: introduce proper logos_delivery layers folder structure
    • Rename kernel_api dir to waku_node and tidy node module layout
    • enhance reliable channel segment states
    • Clean separation between ReliableChannelManager, MessagingClient, and kernel/core
  • next:
    • Connect delivery persistency with SDS persistency connector

Support QUIC Transport in Logos Delivery §

• [Deliverable] Trial QUIC
  • next:
    • feat: Implement QUIC support in logos-delivery (not blocked)
    • QA-reproducible QUIC-in-Logos-Delivery used in Logos Delivery Simulator to validate QUIC support (blocked — see below)
  • blockers:
    • The following issue had been solved but we need to have a future nim-libp2p version with the fix: nim-lsquic benchmark

RLN for lightpush §

• [Deliverable] Improve RLN UX by reducing contract interactions
  • achieved:
    • Extend contract to reduce number of Web3 RPC calls
  • next:
    • message validation rejection triggers root poll and retry

Logos Chat §

Chat — Group Conversations §

• [Deliverable] Add Group Chat

  • achieved:
    • Update Core for DeMLS integration: https://github.com/logos-messaging/libchat/pull/123
  • next:
    • Integrate DeMLS into GroupV2

• Implement simple identity model

  • next: Update Context to accept External Identity Provider. - https://github.com/logos-messaging/libchat/pull/127

Status §

Integrate logos-delivery in Status §

• [Deliverable] Integrate Messaging API in status-go
  • achieved:
    • Remove Node Management page
    • Relocate rfc26 encoding to status-go
    • Remove EnvelopesMonitor’s internal retry
    • Cross-version chat compatibility tests
    • test: verify “sent” status while recipient offline

Maintenance §

• achieved:
  • Lift Messaging API out of Waku into its own layer
  • fix: build zerokit rln from source via fixed nixpkgs, drop prebuilt
  • Pin nim-ffi to v0.1.3 in waku.nimble
  • chore: add nimble task - nphchanges
  • tools: add sync-nimble-lock.sh (sync waku.nimble pins into nimble.lock)
  • ci: fix Windows build hang on re-downloading nimble deps
  • chore: retrieve cache of merkle roots from RLN contract
  • fix(pool): recycle contexts to stop per-cycle fd leak
  • Remove wildcard event listener; keep per-event dispatch
  • Rust event examples
  • start using nim-ffi 0.1.4
  • Refactor persistency - follow up - review fixes
  • refactor(persistence): snapshot-based interface (5 procs, atomic per-op)
  • Moved remaining specs to logos-lips, logos-messaging/specs is archived
• next:
  • bug: Docs list config keys that the node does not accept
• blocked:
  • feat: Improve config