2025-07-07 Waku Weekly

Highlights §

• nwaku:
  • Release v0.36.0 validation
  • Memory leak analysis
  • Investigate waku-go-bindings issue reported after adding watchdog
• js-waku:
  • Peer selection improvements across protocols
  • Retry manager reliability for LightPush
  • Remove deprecated Filter SDK

End-to-end reliability protocol §

• End-to-end reliability protocol - Status integration
  • achieved: [research] refactoring nim-sds to support multiple channels per reliability manager
  • next:
    • [chat] SDS refactoring
    • [research] add new unit tests and update existing tests to reflect new changes

RLN Mainnet §

• Implement RLN smart contract for paid, multilevel memberships
  • achieved: [research] Merged all updates for new incentivization contract
  • next: [research] Update waku-sim for the new contract implementation, start looking at RLN rate-limiting over multiple shards

Nwaku in Status Desktop (relay mode) §

• Nwaku on Windows
  • achieved:
    • [nwaku] Progressed with supporting nwaku metrics in status-go, should be complete by next week
    • [nwaku] Investigated and started fixing waku-go-bindings and libwaku bugs causing Investigated and started fixing waku-go-bindings and libwaku bugs causing Issue #86
  • next:
    • [nwaku] Continue trying to build status-desktop in Windows
    • [nwaku] Complete the nwaku metrics integration in status-go
    • [nwaku] Finish with the waku-go-bindings and libwaku fixes
  • blockers: [nwaku] Could not compile go-waku based Status Desktop on Windows

Explore Peer Discovery Gap §

• Mixnet PoC
  • achieved:
    • [research] rebase mix nwaku PR , create mix-config as per new config model.
    • [research] review mix repo merged code
  • next: [research] test waku integration with merged mix code (gossipsub and waku-integ branches)

Improve DevEx: API, TWN, Metrics, Docs §

• Introduce Waku API in the Browser

  • achieved:
    • [js-waku] ensure Filter peers selection based on codec
    • [js-waku] enforce proper peer selection across protocols
    • [js-waku] bug: retry manager doesn’t retry when no peers available
  • next: [js-waku] lightPush v3 proto definitions

• Optimise Browser Bootstrapping

  • next:
    • [js-waku] connection dialing improvements
    • [js-waku] connection management limitations

Create Chat SDK MVP §

• Chat SDK Developer Preview

  • achieved:
    • [chat] Initial framing types for ConversationsAPI in nim and rust
    • [chat] Prototype of Inbox in nim
    • [chat] Prototype of Inbox in rust

• Create Segmentation Library

  • next: [chat] continue segmentation

• Create Rate Limit Manager

  • achieved:
    • [chat] expose available capacity
    • [chat] use limit bucket from nwaku
    • [chat] add sqlite db
  • next:
    • [chat] wait/fix new comments and merge rate limit
    • [chat] add storage

Maintenance §

• achieved:
  • [nwaku] Fix lightpush metrics
  • [nwaku] Deprecate —dns-discovery
  • [nwaku] Remove keepAlive from WakuConf
  • [nwaku] Not support legacy store by default
  • [nwaku] Fix static sharding setup
  • [nwaku] Article: logos nim news - july 2025
  • [js-waku] remove deprecated Filter implementation
  • [js-waku] peer exchange query tests are slow and flaky in CI
  • [js-waku] investigate slow e2e tests and optimize
  • [js-waku] investigate cannot push value onto an ended pushable
  • [js-waku] subscribe to shutting down node
• next:
  • [nwaku] Release v0.36.0
  • [nwaku] Memory leak issue