Issues

• 0.9.0 Release Tracker

  build+release
  Task

  meta-pytorch/monarch#5073 · Filter by author dulinriley opened on Oct 17, 2026 · 0.9.0
  

• Same-process re-attach to a restarted host at the same address times out: the host agent's dest-actor reorder buffer waits for sequence numbers only the dead process received

  Task

  meta-pytorch/monarch#5065 · Filter by author Balaxxe opened on Oct 14, 2026
  4

  

• 0.8.0 Release Tracker

  build+release
  Task

  meta-pytorch/monarch#5048 · Filter by author dulinriley opened on Oct 10, 2026 · 0.8.0
  1

  

• Create a Monarch REPL for the SQL telemetry queries.

  observability
  Feature

  meta-pytorch/monarch#5018 · Filter by author johnwhumphreys opened on Oct 7, 2026 · 0.8.0
  1

  

• Job sidecar exits on mount refresh after its inherited stderr pipe closes

  Bug

  meta-pytorch/monarch#4944 · Filter by author johnwhumphreys opened on Sep 26, 2026
  

• Support zero-copy opaque payload forwarding between Python actors

  meta-pytorch/monarch#4925 · Filter by author pzhan9 opened on Sep 21, 2026
  1

  

• Support unprivileged FUSE access for Kubernetes RemoteMount workers

  kubernetes
  Feature

  meta-pytorch/monarch#4917 · Filter by author johnwhumphreys opened on Sep 18, 2026
  

• Avoid hardcoding Kubernetes support to TCP transport.

  kubernetes
  Feature

  meta-pytorch/monarch#4887 · Filter by author johnwhumphreys opened on Sep 15, 2026
  

• Add Batch job support to KubernetesJob.

  kubernetes
  Feature

  meta-pytorch/monarch#4881 · Filter by author johnwhumphreys opened on Sep 14, 2026 · 0.8.0
  

• shutdown_context() can return while Python actor event-loop threads are still running

  meta-pytorch/monarch#4749 · Filter by author shayne-fletcher opened on Aug 25, 2026
  

• Expose RDMA device/rail selection for RDMABuffer transfers

  rdma
  Feature

  meta-pytorch/monarch#4396 · Filter by author Balaxxe opened on Jul 13, 2026 · 0.8.0
  

• PythonTask cannot be awaited from an active asyncio event loop

  meta-pytorch/monarch#4395 · Filter by author Balaxxe opened on Jul 13, 2026
  1

  

• Add playground examples for mesh_admin to demo debugging slow/stuck jobs

  meta-pytorch/monarch#4377 · Filter by author pzhan9 opened on Jul 9, 2026
  2

• Use shared memory transport for inter-process communication

  meta-pytorch/monarch#4371 · Filter by author pzhan9 opened on Jul 8, 2026

• DISABLED test_proc_mesh_rdma

  tests
  meta-pytorch/monarch#4294 · Filter by author dulinriley opened on Jun 24, 2026
  1

  

• Hardware Abstraction Layer

  rdma
  Task

  meta-pytorch/monarch#4195 · Filter by author shendiaomo opened on Jun 8, 2026 · 0.8.0
  2

  

• Flesh out design of rust/python actor unification

  meta-pytorch/monarch#4140 · Filter by author mariusae opened on Jun 2, 2026
  

• Remove existing ProcMesh/HostMesh impls; make spawn APIs asynchronous

  Feature

  meta-pytorch/monarch#4138 · Filter by author mariusae opened on Jun 2, 2026 · 0.8.0
  

• Shim ProcMesh as ActorMesh<ProcLike>

  Feature

  meta-pytorch/monarch#4137 · Filter by author mariusae opened on Jun 2, 2026 · 0.9.0
  

• Shim HostMesh as ActorMesh<HostLike>

  Feature

  meta-pytorch/monarch#4135 · Filter by author mariusae opened on Jun 2, 2026 · 0.9.0
  

• DockerHost

  Feature

  meta-pytorch/monarch#4132 · Filter by author mariusae opened on Jun 2, 2026 · 0.9.0
  1

  

• Clean up actor teardown

  meta-pytorch/monarch#4124 · Filter by author mariusae opened on Jun 1, 2026 · 0.8.0
  

• Fix macOS arm64 CPU CI orphan cleanup test

  tests
  Bug

  meta-pytorch/monarch#4120 · Filter by author dulinriley opened on Jun 1, 2026 · 0.8.0
  

• Fix macOS arm64 CPU CI debugger timeouts

  tests
  Bug

  meta-pytorch/monarch#4119 · Filter by author dulinriley opened on Jun 1, 2026 · 0.8.0
  

• Add a NCCL scatter-like API for actor mesh

  meta-pytorch/monarch#4118 · Filter by author pzhan9 opened on Jun 1, 2026