Issues

Issues

• Swarm: two running tasks in the same slot of replicas=1 services after two successive leader changes

  Bug

  moby/moby#54179 · opened on Nov 11, 2026

• Trivial build re-extracts pulled base layers on Docker 29.9.2

  Bug

  moby/moby#54164 · opened on Nov 9, 2026 · 29.10.0
  2

• Rootless: "failed to restore thread's network namespace" warning logged for every external DNS lookup from a container on a user-defined network

  Bug

  moby/moby#54162 · opened on Nov 9, 2026
  2

• [DinD] Failed to mount /tmp/containerd-mount1888648785

  Bug

  moby/moby#54156 · opened on Nov 9, 2026
  5

• Swarm manager deadlock: updater waits in DelayStart while holding the store lock; every write then times out

  moby/moby#54128 · opened on Nov 4, 2026

• dockerd 29.9.2 crashes with SIGSEGV (fatal error: fault) in buildkit cache GC — cacheManager.DiskUsage → mapaccess1_faststr

  Bug

  moby/moby#54122 · opened on Nov 4, 2026

• docker exec does not preserve container supplemental groups

  Bug

  moby/moby#54103 · opened on Nov 3, 2026

• docker-default denies signals between a container's own processes when Ubuntu stacks the profile (docker-default//&unconfined)

  moby/moby#54099 · opened on Nov 2, 2026
  4

• # containerd image store: unpack performs no fsync — storage write-back loss inside the window silently produces 0-byte files that are then permanently pinned (re-pull and rmi do not repair)

  Bug

  moby/moby#54083 · opened on Oct 31, 2026
  3

• userns-remap: non-root container gets EACCES writing /dev/stderr (IoUid always maps UID 0)

  Bug

  moby/moby#54081 · opened on Oct 31, 2026
  1

• Automatic host-port allocation fails after ten occupied host-listener candidates despite free range

  moby/moby#54079 · opened on Oct 30, 2026
  1

• [BUG] Existing user-defined bridge interfaces lose IPv4 gateway addresses while Docker network metadata remains intact

  Bug

  moby/moby#54073 · opened on Oct 30, 2026

• libnetwork: deleted endpoint resurrected in the endpoint cache, network can no longer be removed

  moby/moby#54072 · opened on Oct 30, 2026

• Windows: container scratch volumes stay behind as "Detached" until the host reboots

  Bug

  moby/moby#54071 · opened on Oct 30, 2026
  5

• unless-stopped containers are not restarted after dockerd exits uncleanly: restore() marks the containers it stops as manually stopped

  moby/moby#54065 · opened on Oct 29, 2026
  3

• daemon/cluster/convert: containerToGRPC drops CreateMountpoint, ReadOnlyNonRecursive and ReadOnlyForceRecursive of bind mounts

  moby/moby#54009 · opened on Oct 23, 2026

• Moby v30 Planning

  Epic

  moby/moby#54007 · opened on Oct 22, 2026 · 30.0.0
  1

• Rootless (slirp4netns + builtin port driver): long-lived RTSP/TCP streams stall intermittently after 29.9.0 → 29.9.2

  Bug

  moby/moby#54004 · opened on Oct 22, 2026
  3

• Add extension point for validating container configs

  Enhancement

  moby/moby#54002 · opened on Oct 21, 2026
  3

• Graphdriver image store pushes pulled zstd layers with a gzip media type

  Bug

  moby/moby#53999 · opened on Oct 21, 2026
  1

• docker exec processes inherit umask 0000 from dockerd since 29.6 (#52892)

  moby/moby#53985 · opened on Oct 20, 2026
  2

• Docker 29.9.1: specific-host-IP port bindings and ports on internal networks are silently not wired (kernel 7.0.0)

  moby/moby#53960 · opened on Oct 15, 2026
  2

• c8d: every docker build leaks containerd leases (gc.flat + buildkit -variants/-view), causing unbounded snapshot/content growth

  moby/moby#53959 · opened on Oct 15, 2026
  3

• Fully define and document what a "dangling" image is

  Task

  moby/moby#53941 · opened on Oct 14, 2026
  3

• docker cp silently returns wrong data and corrupts the container filesystem when it mounts a rootfs the VM guest already has mounted (Kata + block-device passthrough)

  Bug

  moby/moby#53930 · opened on Oct 13, 2026