Issues

• "docker image prune --filter until=XX" seems to flag some containers for removal even if it says it does nothing

  containerd-integrationkind/bugversion/29.6
  Bug

  moby/moby#53207 · Filter by author Romain-Geissler-1A opened on Jul 27, 2026

• Cannot modify --memory-swap using docker service update

  kind/bug
  Bug

  moby/moby#53196 · Filter by author 12joan opened on Jul 26, 2026
  1

• Docker daemon blocks indefinitely on API calls to containers with zombie containerd-shim (no timeout/recovery)

  moby/moby#53189 · Filter by author ThePlenkov opened on Jul 25, 2026

• Flaky test: TestIntegration/TestMountEnvAcrossStages

  area/builder/buildkitflaky
  Bug

  moby/moby#53165 · Filter by author GordonTheTurtle opened on Jul 24, 2026
  1

• Container DNS resolver is too clever for its own good

  area/networking/dns
  moby/moby#53157 · Filter by author corhere opened on Jul 23, 2026
  1

• 28->29 Regression: RootlessKit PortManager.AddPort(): listen tcp4 0.0.0.0:32769: bind: address already in use

  area/rootlesskind/bug
  Bug

  moby/moby#53153 · Filter by author mitchhentgesspotify opened on Jul 23, 2026
  3

• awslogs logging driver in non-blocking mode deadlocks container exit when the CloudWatch log group is missing (container stuck running, host port never released)

  kind/bug
  Bug

  moby/moby#53143 · Filter by author amogh09 opened on Jul 22, 2026
  4

• Flaky test: docker-py ServiceTest::test_update_service_with_network_change (update out of sequence)

  moby/moby#53120 · Filter by author GordonTheTurtle opened on Jul 21, 2026

• Flaky test: TestIntegration/TestPassthroughOp/worker=dockerd-containerd

  area/builder/buildkitarea/testingflakykind/bug
  Bug

  moby/moby#53110 · Filter by author GordonTheTurtle opened on Jul 20, 2026
  2

• Bug in checking nDotsSet, should be nDotsSet and > 0, leads to failed container name resolution in DinD

  kind/bug
  Bug

  moby/moby#53104 · Filter by author NavneetNayak opened on Jul 19, 2026
  2

• Flaky test: TestCreateServiceMemorySwappiness

  flaky
  moby/moby#53097 · Filter by author GordonTheTurtle opened on Jul 17, 2026
  2

• Flaky test: TestServiceCreateInit

  flaky
  moby/moby#53096 · Filter by author GordonTheTurtle opened on Jul 17, 2026
  1

• containerd image store: GET /images/json costs ~1.4 CPU-seconds per call (14 images) — monitoring agents polling the API drive dockerd+containerd to ~1.75 sustained cores

  area/performancecontainerd-integrationversion/29.6
  moby/moby#53077 · Filter by author FuginInsanE opened on Jul 15, 2026
  1

• Flaky test: TestAPISwarmServicesMultipleAgents (swarm agent connection refused timing race)

  flaky
  moby/moby#53076 · Filter by author GordonTheTurtle opened on Jul 15, 2026
  1

• Flaky test: TestNRIContainerCreateUnsupportedAdj/cdi (CDI adjustment expected to fail but got nil)

  flaky
  moby/moby#53067 · Filter by author GordonTheTurtle opened on Jul 14, 2026

• Flaky test: DockerSwarmSuite/TestAPISwarmServiceConstraintRole (swarm service scheduling timeout on arm64)

  flaky
  moby/moby#53066 · Filter by author GordonTheTurtle opened on Jul 14, 2026

• Windows: containerd image store can't use the CimFS snapshotter — dockerd doesn't configure the differ order and offers no passthrough

  containerdkind/bugplatform/windows
  moby/moby#53063 · Filter by author inistor opened on Jul 13, 2026 · 29.10.0
  8

• Flaky test: TestDockerCLIEventSuite/TestEventsContainerRestart (timing race on Windows container restart event)

  flaky
  moby/moby#53056 · Filter by author GordonTheTurtle opened on Jul 11, 2026
  3

• Flaky test: docker-py SwarmTest::test_init_swarm_with_ca_config (swarm left encrypted/locked between tests)

  flaky
  moby/moby#53048 · Filter by author GordonTheTurtle opened on Jul 10, 2026
  4

• TestLogs is flaky on Windows

  area/testingflaky
  Bug

  moby/moby#53031 · Filter by author vvoland opened on Jul 8, 2026
  1

• There is no way to configure container disk size on Windows when containerd storage is used a.k.a. 20GB limit strikes back

  kind/featureplatform/windows
  Enhancement

  moby/moby#53030 · Filter by author slonopotamus opened on Jul 8, 2026
  3

• Docker 29 dind-rootless fails to start containers on Linux < 5.11 kernel due to containerd snapshotter regression

  area/rootlessarea/storage/overlayarea/storagecontainerd-integrationkind/bug
  Bug

  moby/moby#53029 · Filter by author okhowang opened on Jul 8, 2026
  8

• Improve the Build API for v2/Buildkit-Backend

  area/builder/buildkitarea/builderkind/feature
  Enhancement

  moby/moby#53024 · Filter by author AB-xdev opened on Jul 7, 2026

• Overlay VXLAN packets have source address chosen by kernel but the Swarm data-path address is the only correct answer

  area/networking/d/overlayarea/networkingarea/swarmkind/enhancement
  moby/moby#53004 · Filter by author andersonlemesc opened on Jul 3, 2026
  7

  

• Make network address parsing more lenient for better backwards compatibility

  kind/feature
  Enhancement

  moby/moby#52991 · Filter by author aahlenst opened on Jul 1, 2026
  8