2026-04-06 Messaging Weekly

Highlights §

• Logos Delivery:
  • Closed Milestone: Introduce Messaging API in Logos Delivery
  • Improve diagnostics and increase default timeout in wakucanary
  • Completely remove storev2
  • Optimize release builds for speed

Logos Delivery §

Messaging API — Developer Preview §

• [Deliverable] Introduce Messaging API in Logos Delivery
  • achieved:
    • Added Subscribe API for edge nodes

Messaging API — General Availability §

• [Deliverable] Stabilzie and improve Messaging API, fix bugs
  • achieved:
    • Prefer reusing service peers across shards in edge filter reconciliation

Reliable Channel API — Developer Preview §

• [Deliverable] Reliable Channel API — Developer Preview
  • next:
    • First version reliable-channel-api spec
    • Implement SDS Reliable
    • Auto-retrieve feature that handles retrieval of offline-time-window periods (first PoC in progress and pending to add it to the API spec)

QUIC Transport in Logos Delivery §

• [Deliverable] Support QUIC Transport in Logos Delivery
  • next:
    • QUIC validation PoC

Fleet Stability §

• [Deliverable] Resolve known fleet stability issues
  • achieved:
    • Improve diagnostics and increase default timeout in wakucanary
  • next:
    • bug: uptime waku.sandbox HK is red even though the node is running properly

Nimble Migration §

• [Deliverable] Migrate logos-delivery to Nimble
  • next:
    • Start using nimble and deprecate vendor dependencies (CI is green)

Logos Chat §

Chat — Foundations §

• [Deliverable] Logos Chat Library
  • achieved:
    • Clean up FFI. https://github.com/logos-messaging/libchat/pull/80

Maintenance §

• achieved:
  • Completely remove storev2
  • Optimize release builds for speed
• next:
  • Adjust changelog.md for v0.38.0
  • Maturing liblogosdelivery in co-op with logos-delivery-module
    • chore: createNode security hardening + source move to src