v0.38

[MarcoPolo]

🗺 What's left for release

<List of items with remaining PRs and/or Issues to be considered for this release>

• Set sane default timeout for BasicHost.NewStream #3019
• swarm: delay /webrtc-direct dials by 1 second #3078
• Sharing TCP listeners feat(tcpreuse): add options for sharing TCP listeners amongst TCP, WS and WSS transports #2984
• swarm: remove stray print stmt #3086
• swarm: record conn metrics only once #3091
• peerstore: fix addressbook benchmark timing #3092
• peerstore: remove sync.Pool for expiringAddrs #3093

deferred

• "autorelay (relay finder)" is a slow consumer of event.EvtPeerConnectednessChanged #3100 (next patch release)
• feat: Detect and recover from TCP Simultaneous open #2950
• Error Codes Implement error codes spec #2927
• basichost: don't wait for Identify #2551

🔦 Highlights

< top highlights for this release notes >

Changelog

< changelog generated by scripts/mkreleaselog >

✅ Release Checklist

• Stage 0 - Finishing Touches
  • Go through relevant libp2p repos looking for unreleased changes that should make it into the release. If you find any, cut releases.
  • Run go get -u ./... to see if there are any out-of-date deps that look important. If there are, bubble them. Try to avoid directly updating indirect deps in go-libp2p's go.mod when possible.
• Stage 1 - Release
  • Publish the release through the GitHub UI, adding the release notes. Some users rely on this to receive notifications of new releases.
  • Announce the release on the discuss.libp2p.io.
• Stage 2 - Update Upstream
  • Update the examples to the final release
  • Update the upstream dependencies to the final release and create PRs.
    • filecoin-project/lotus
    • go-libp2p-kad-dht
    • go-libp2p-pubsub (In case of breaking changes.)
    • ipfs/kubo
  • Add new release to interop tester in test-plans
• Make required changes to the release process.

[achingbrain]

Will #3040 be in this release?

[MarcoPolo]

Yes

[MarcoPolo]

We could also release that in a patch release if it would help.

[achingbrain]

If that's possible it would be great to get it into people's hands quicker.

[p-shahi]

The following seem decent candidates to include in this release. Let's decide which ones to include and which ones to defer @MarcoPolo @sukunrt :

• swarm: record conn metrics only once #3091
• peerstore: fix addressbook benchmark timing #3092
• peerstore: remove sync.Pool for expiringAddrs #3093
• nat: ignore mapping if external port is 0 #3094
• addressservice: extract out addressing logic from basichost #3075
• autorelay: send addresses on eventbus; dont wrap address factory #3071

I did add #3100 to this release since this can lead to a node stall and @sukunrt mentioned he has a fix & will open a PR

Update:
Based on meeting discussion we'll include

• swarm: record conn metrics only once #3091
• peerstore: fix addressbook benchmark timing #3092
• peerstore: remove sync.Pool for expiringAddrs #3093
• "autorelay (relay finder)" is a slow consumer of event.EvtPeerConnectednessChanged #3100