2026-11-02 Messaging Weekly

Highlights

• Logos Delivery:
  • v0.40.0-rc.0 tagged (#4609).
  • store sync is back on in status.prod, with three reconciliation bugs fixed (#4621, #4626, #4642).

Logos Delivery

Messaging API — General Availability

• [Deliverable] Messaging API reliability and scale validation with DST

  • achieved:
    • better traceability of the messaging API send journey, to ease DST analysis (#4654).

• [Deliverable] Address Messaging API issues found by DST

  • achieved:
    • Fix store resume refuses almost all fetched history.
    • fix(health): use the weakest shard mesh for the Core status (#4655).
    • fix(edge): redial static nodes that were down at start (#4569).
    • list and redial an inbound peer at its listen address, not at the ephemeral source port of its connection (#4658).
  • next:
    • health: reset edge shard health at stop (#4661), report shard health at each content topic subscribe (#4662).
    • fix(store): dial the configured store nodes in the background (#4660); resend through lightpush on a store miss (#4575).
    • fix(relay): do not hand a node’s own publish to its subscribers (#4664); leave the node stopped after a failed start (#4665).

Delivery — Released Monthly

• [Deliverable] Release logos-delivery v0.40
  • achieved:
    • chore: prepare release v0.40.0 (#4609) — v0.40.0-rc.0 tagged.
  • next:
    • finish the release, tracked by #4601.

Delivery — Technical Debt Halved

• [Deliverable] Bump dependencies

  • next:
    • Fix #4644: bump the Nim compiler to 2.2.12 (#4649).
    • build: bump nim-sds to v0.4.0-rc.6 (sds-go-bindings#33).

• [Deliverable] Close baseline technical debt issues

  • next:
    • roll the getNodeInfo id rename out to infra and drop the My* aliases (#4666, #4619).

Delivery — Target Architecture Agreed

• [Deliverable] Draw the target architecture
  • achieved:
    • the Kernel merge PR train was closed in favour of one component at a time, each with its own issue: a new Discovery component owned by Waku (#4674), a separate Protocols type owned by KernelNode (#4677), rename Waku to Kernel without breaking consumers (#4675), per-protocol health.nim instead of one monitor checking each protocol (#4676).

Store Sync — DST Signed Off

• [Deliverable] Review implementation of Store Sync protocol

  • achieved:
    • fix(store-sync): encode and decode same-timestamp bounds against the previous bound, as WAKU-SYNC defines (#4621, closes #4574).
    • Fix #4602: count a promised message as present before it arrives, so a second round does not queue it again (#4642).
    • fix(store-sync): keep archive-rejected relay messages out of the sync index (#4626) — a message the archive refused as too old was still indexed, so the node offered what it does not hold.
    • Fix #4657: split store sync’s processRequest into smaller helpers (#4659).

• [Deliverable] DST sign-off for Store Sync

  • achieved:
    • store sync re-enabled in the status.prod fleet (#4466 closed).
  • next:
    • DST validate store-sync at scale (#4600).

Logos Chat

Chat — Self-Healing Groups

• [Deliverable] Integrate SDS
  • achieved:
    • Upgrade to logos-delivery-rust-bindings for the latest version of delivery (#297).

Chat — de-MLS v5 Integrated

• [Deliverable] Integrate de-MLS v5
  • achieved:
    • add GroupV3 base template (#308).
    • Update inbound payload handing trait (#310).
    • Implement payload handle path (#312).

Status

Status: Logos Delivery Integration

• [Deliverable] Status: prepare the network for the Messaging API

  • achieved:
    • store: add a 30 day time retention for prod (infra-status#74).

• [Deliverable] Status: build and link Logos Delivery in status-go and status-app

  • achieved:
    • status-go resolves and builds nim-sds through Nimble (status-go#7757, closes status-go#7874), on nim-ffi v0.3 (status-go#7877) and bumped past the iOS common-symbol fix (nim-sds#114, status-go#8011).
    • Leopard-RS builds with gcc on Windows (nim-leopard#30, #4667).
    • propsed a new approach to using Nimble in libraries for simple use in non-Nim clients; summarized in these draft PRs:
      • build the Nim libraries with plain nim c from status-go’s own Nimble resolution: nim-sds (nim-sds#115, nim-sds#117, sds-go-bindings#37, status-go#8014, status-go#8042) and liblogosdelivery (#4668, go-bindings#156, status-go#8017).
      • go-bindings delegate mobile builds fully to logos-delivery (go-bindings#154).
  • next:
    • status-app: build nim-sds with plain nim (status-app#23010) and move the app’s Nim build to Nimble (status-app#23053).

• [Deliverable] Messaging API: close the gaps Status needs

  • achieved:
    • store peer selection: each preset lists its network’s store nodes (#4641), and a node can query only its configured store nodes, reported through node info (#4638).
    • go-bindings read the preset’s store nodes and the max message size through get_node_info (go-bindings#155, go-bindings#153).

• [Deliverable] Status: replace go-waku with Logos Delivery in status-go

  • achieved:
    • report a send that fails before the envelope monitor tracks it (status-go#8020).
  • next:
    • Send returns a request ID instead of the message hash (status-go#8021, status-go#7923).
    • review the logos-delivery backend next to go-waku (status-go#7919) and its store queries, peers and metrics (status-go#7929).

Maintenance

• achieved:
  • delivery-agent skill: an autonomous workflow for agent-friendly issues, PRs opening as drafts (#4625, implements #4624), autonomous mode (#4629) and assignee tagging in its comments (#4656).
  • SDS: a smaller default bloom filter, 500 at 0.01 instead of the ~18.75 KB filter on every message (nim-sds#112, closes #4606).
  • fix(archive): count hash lookups under the messages_lookup query metric again (#4622, closes #4598).
  • feat(presets): bootstrap logos.dev plugin Kademlia from libp2p_module hosts (#4581).
  • upstream: resetting the stream on an oversized pubsub frame landed (libp2p#3320), closing #4608.
• next:
  • waku.test: decommission the fleet (infra-waku#52).