v0.38.0-beta

v0.38.0-beta (2026-02-11)

Notes

• libwaku: Major improvements to libwaku distribution and iOS compilation support.
• REST Store API now defaults to page size 20 with max 100.
• Lightpush no longer mounts without relay enabled.
• Context-aware and event-driven broker architecture introduced.
• Mix protocol integrated with extended Kademlia discovery.
• Repository renamed from logos-messaging-nim to logos-delivery.

Features

• Waku Kademlia integration and Mix protocol updates (#3722) (335600eb)
• iOS compilation support (WIP) (#3668) (96196ab8)
• Rendezvous: broadcast and discover WakuPeerRecords (#3617) (b0cd75f4)
• Distribute libwaku binaries (#3612) (9e2b3830)
• Implement libwaku using nim-ffi (#3656) (e3dd6203)
• New postgres metric to estimate payload stats (#3596) (454b098a)

Bug Fixes

• Store protocol issue in v0.37.0 (#3657) (91b4c5f5)
• Hash inputs for external nullifier, remove length prefix for sha256 (#3660) (2d40cb9d)
• Admin API peer shards field from metadata protocol (#3594) (e54851d9)
• Wakucanary now fails correctly when ping fails (#3595) (adeb1a92)

Changes

• Context aware brokers architecture (#3674) (c27405b1)
• Introduce EventBroker, RequestBroker and MultiRequestBroker (#3644) (ae74b901)
• Use chronos' TokenBucket (#3670) (284a0816)
• REST Store API constraints: default page size 20, max 100 (#3602) (8c30a8e1)
• Do not mount lightpush without relay (#3540) (7d1c6aba)
• Mix: use exit==dest approach (#3642) (088e3108)
• Bump nim-ffi to v0.1.3 (#3696) (a02aaab5)
• Lightpush minor refactor (#3538) (1e73213a)
• Pin RLN dependencies to specific version (#3649) (834eea94)
• Nix: add libwaku target and wakucanary Flake package (#3599, a561ec3a)
• Add gasprice overflow check (#3636) (a8590a0a)
• Adjust Dockerfile for lightpush with Mix compile (#3724) (f208cb79)
• Update CI/README references after repository rename to logos-delivery (#3729) (895f3e2d)
• Various CI/CD updates and fixes (#3664, #3666, #3667)

This release supports the following libp2p protocols:

Protocol	Spec status	Protocol id
11/WAKU2-RELAY	stable	/vac/waku/relay/2.0.0
12/WAKU2-FILTER	draft	/vac/waku/filter/2.0.0-beta1 /vac/waku/filter-subscribe/2.0.0-beta1 /vac/waku/filter-push/2.0.0-beta1
13/WAKU2-STORE	draft	/vac/waku/store/2.0.0-beta4
19/WAKU2-LIGHTPUSH	draft	/vac/waku/lightpush/2.0.0-beta1
WAKU2-LIGHTPUSH v3	draft	/vac/waku/lightpush/3.0.0
66/WAKU2-METADATA	raw	/vac/waku/metadata/1.0.0
WAKU-SYNC	draft	/vac/waku/sync/1.0.0