Nim-libp2p maintenance

ift-ts:p2p:ift:2026q3-nimlibp2p-maintenance

Maintain nim-libp2p through improvements, bug fixes, and user support

Description

Continue supporting and maintaining the nim-libp2p repository through ongoing improvements, refactoring, and bug fixes. This includes a range of ad-hoc tasks critical to sustaining code quality, overall stability, correct functionality, and performance of the project. Additionally, it provides a platform for addressing small developer requests, ensuring that nim-libp2p remains functional and usable for its primary users, Nimbus and Waku, as their needs evolve.

Task List

Maintenance

• fully qualified name: ift-ts:p2p:ift:2026q3-nimlibp2p-maintenance:maintenance
• owner: rramos/vlado/gabe
• status: in progress (36%)
• start-date: 2026/07/01
• end-date: 2026/09/30

Description

Maintain the nim-libp2p repository via improvements, refactors, and bug fixes.

Deliverables

• status-im/nimbus-eth2#8836 feat: bump lsquic to v0.8.0
• vacp2p/nim-lsquic#132 perf: reuse a stack WSABUF and heap-fall-back on the Windows send path
• vacp2p/nim-lsquic#131 perf: compare address families directly in prepareDestAddr
• vacp2p/nim-lsquic#133 perf: skip CID routing and the sockaddr bounce buffer on the packet-in path
• vacp2p/nim-lsquic#125 perf: settle pending stream operations on close instead of racing
• vacp2p/nim-lsquic#124 perf: add a pointer overload for stream writes
• vacp2p/nim-lsquic#123 perf: take stream write payloads as sink
• vacp2p/nim-lsquic#121 perf: coalesce engine ticks, gated on write size
• vacp2p/nim-lsquic#120 perf: stop copying 64KB per receive wakeup under arc/orc
• status-im/nimbus-eth2#8811 chore: bump lsquic and boringssl
• vacp2p/nim-lsquic#117 perf: drain the UDP socket per wakeup instead of ticking per datagram
• vacp2p/nim-libp2p#2889 chore: bump lsquic
• vacp2p/nim-lsquic#111 feat: configure UDP receive buffer size
• vacp2p/nim-lsquic#110 feat: add back sendmmsg
• vacp2p/nim-lsquic#109 fix: avoid copying inbound UDP datagrams
• litespeedtech/lsquic#670 fix: MinGW build compatibility
• vacp2p/nim-libp2p#2900 refactor(pubsub): use protobuf proto editions
• vacp2p/nim-libp2p#2884 feat(cbind): nat config
• vacp2p/nim-libp2p#2892 ci: cache improvements
• vacp2p/nim-libp2p#2894 chore(make): format .nimble files
• vacp2p/nim-libp2p#2895 chore(.gitignore): cleanup
• vacp2p/nim-libp2p#2905 fix(test): guard the logging test on a dynamic chronicles sink
• libp2p/py-libp2p#1407 fix(pubsub): disconnect hygiene and once-per-subscription mcache replay
• vacp2p/nim-libp2p#2897 test(kad): import tables in the find test
• vacp2p/nim-libp2p#2883 feat(cbind): dial with addrs
• vacp2p/nim-libp2p#2881 ci: harden workflow permissions
• logos-co/logos-libp2p-module#88 chore: harden CI workflow permissions
• vacp2p/nim-libp2p#2876 ci: composite actions for dependencies
• vacp2p/nim-libp2p#2874 ci: fix dependnecies cache keys
• vacp2p/nim-libp2p#2873 chore(deps): bump nimble to v0.24.1
• vacp2p/nim-libp2p#2867 chore(tests): use await insted of waitFor
• vacp2p/nim-libp2p#2844 fix(kad): avoid advertising ephemeral peer addresses
• vacp2p/nim-libp2p#2843 chore: print selected platform in test_multiformat_exts
• vacp2p/nim-libp2p#2838 fix(dcutr): preserve QUIC server role during hole punching
• vacp2p/nim-libp2p#2837 fix(quic): propagate accept errors instead of nil
• vacp2p/nim-libp2p#2830 fix: avoid unused allFinished copies
• vacp2p/nim-libp2p#2836 fix(ci): daily workflow job names
• vacp2p/nim-boringssl#13 chore: remove natlibs
• vacp2p/nim-libp2p#2828 fix(dialer): reset streams after failed protocol negotiation
• vacp2p/nim-lsquic#99 fix: close QUIC streams after receiving FIN
• status-im/nimbus-eth2#8756 chore: bump libp2p to 2.1.5
• vacp2p/nim-libp2p#2823 fix(service-discovery): drain bootstrap futures on shutdown
• vacp2p/nim-libp2p#2819 chore(builders): disable IdentifyPusher by default
• vacp2p/nim-libp2p#2815 fix(gossipsub): concurrent peers table access during topic unsubscribe
• vacp2p/nim-libp2p#2829 fix(ci): ignore missing sources in coverage genhtml
• vacp2p/nim-libp2p#2605 fix: track and cancel asyncSpawn-ed futures on teardown
• vacp2p/nim-libp2p#2803 ci: drop i386_temp workflow
• vacp2p/nim-libp2p#2808 fix(ci): stop dcutr test leaking a channel; run full daily CI on label
• vacp2p/nim-libp2p#2770 chore: add issue and feature templates
• vacp2p/nim-libp2p#2807 fix(routing-record): use proto3 peer record encoding
• vacp2p/nim-libp2p#2789 fix(protobuf): tolerate empty custom fields
• vacp2p/nim-libp2p#2790 fix(autonat): optional msgType and status fields
• vacp2p/nim-libp2p#2785 chore(relay)!: make v1 hop opt-in
• vacp2p/nim-libp2p#2801 test: fix flakines with “client-mode node successfully completes lookup against server-mode registrars”
• vacp2p/nim-libp2p#2795 ci: single file for daily test_all workflow
• vacp2p/nim-libp2p#2794 feat(tests): tests as subproject of repo
• vacp2p/nim-libp2p#2804 chore(cbind): change dep commit
• vacp2p/nim-libp2p#2797 ci: dropping i386 orc from tests
• vacp2p/nim-libp2p#2792 chore(makefile): simplify code
• vacp2p/nim-libp2p#2791 ci: save build cache when in merge queue
• vacp2p/nim-libp2p#2788 fix(kademlia): align DHT message and provider limits for interop
• vacp2p/nim-libp2p#2787 fix(yamux): align default window with spec and reject invalid versions
• vacp2p/nim-libp2p#2765 fix(memory-transport): serialize concurrent writes
• vacp2p/nim-libp2p#2761 test(mplex): make tests teardown more robust
• vacp2p/nim-libp2p#2764 test(autonat): fix flaky test “Peer must be not reachable and then reachable”
• vacp2p/nim-libp2p#2767 ci(daily-report): add runnable examples to report
• vacp2p/nim-libp2p#2762 test(dcutr): better synchronisation and assertion for “DCUtR establishes a new QUIC connection”
• vacp2p/nim-libp2p#2766 ci: use macos for “Daily without feature flags” workflow
• vacp2p/nim-libp2p#2769 ci: add merge_group
• logos-co/nim-libp2p-mix#25 fix(mix): limit replay cache and defer tag insertion
• vacp2p/nim-libp2p#2752 ci: dropping daily pinned
• vacp2p/nim-libp2p#2754 test: remove unnecessary test that takes too much time
• status-im/nimbus-eth2#8701 chore: bump libp2p to 2.1.4
• vacp2p/nim-libp2p#2751 fix: avoid deadlock when dropping peers from stream handler
• status-im/nimbus-eth2#8699 chore: bump libp2p to 2.1.3
• vacp2p/nim-libp2p#2745 test(pubsub): cover stale peer cleanup after dropped connection
• vacp2p/nim-boringssl#11 chore(ci): test PR against nim-libp2p and nim-lsquic
• vacp2p/nim-libp2p#2737 fix(connmanager): avoid late Joined after peer drop
• vacp2p/nim-libp2p#2734 fix(peerstore): keep connected peer addresses from expiring
• vacp2p/nim-libp2p#2729 fix(pubsub): avoid sink params for small RPC fields
• vacp2p/nim-libp2p#2716 feat(ci): allow selecting nim-libp2p ref for dependency bumps and disabling scheduled run
• vacp2p/nim-libp2p#2719 fix(autotls): decouple ACME RSA keys from libp2p identity schemes
• status-im/nimbus-eth2#8536 chore: bump libp2p to 2.1.2
• vacp2p/nim-libp2p#2699 fix(autotls): release certificate keys after CSR generation
• vacp2p/boringssl#6 chore: sync BoringSSL upstream
• vacp2p/nim-lsquic#96 fix: leaks
• vacp2p/nim-libp2p#2687 fix(tests): remove chronicles import hacks
• vacp2p/nim-libp2p#2693 chore(ci): add mm to the job names
• vacp2p/nim-libp2p#2647 chore(pubsub): adjust incoming message validation order
• vacp2p/nim-libp2p#2670 fix(connmanager): emit Joined before trimming new peers
• vacp2p/nim-libp2p#2742 test: utilize new switch builder with multiple addresses
• vacp2p/nim-libp2p#2740 fix(test): use captured variable for closure
• vacp2p/nim-libp2p#2724 fix(gossipsub): sending duplicate IHAVE
• vacp2p/nim-libp2p#2739 ci(daily): remove concurrent test job
• vacp2p/nim-libp2p#2728 ci: avoiding cache for trivial jobs
• vacp2p/nim-libp2p#2730 ci: only save build cache on master
• vacp2p/nim-libp2p#2721 ci: force save build cache
• vacp2p/nim-libp2p#2707 ci: add line trace
• vacp2p/nim-libp2p#2715 ci: add build cache to workflows
• vacp2p/nim-libp2p#2709 ci: rework test workflow
• vacp2p/nim-libp2p#2747 chore(readme): update badge link of test workflow
• vacp2p/nim-libp2p#2743 ci: add build prerequisites to daily with no flags
• vacp2p/nim-libp2p#2738 ci: force save cache
• vacp2p/nim-libp2p#2701 ci: i386 temp workflow