Issues

• Cross-workspace Sandbox.exec Secret injection returns INTERNAL instead of a clear authorization error

  bug
  modal-labs/modal-client#4145 · Filter by author Cubus32 opened on Oct 8, 2026

• Status of Python 3.15 support

  modal-labs/modal-client#4143 · Filter by author Filimoa opened on Oct 2, 2026
  1

• Deploying an App with many distinct mounts fails with "can't start new thread" (one thread pool per mount)

  modal-labs/modal-client#4142 · Filter by author Batuhan1999 opened on Oct 1, 2026

• Validate protobuf 7 support and the current <7 upper bound

  modal-labs/modal-client#4141 · Filter by author iskandr opened on Sep 29, 2026

• Feature request: support ~1 TiB vm_runtime filesystem snapshots (raise/make-configurable disk, snapshot changed-data, and inode ceilings)

  modal-labs/modal-client#4140 · Filter by author ElenaViewSynthesis opened on Sep 25, 2026

• snapshot_filesystem fails below the disk cap: 256 GiB changed-data limit (typed) + an undocumented inode/file-count limit (opaque InternalError)

  modal-labs/modal-client#4139 · Filter by author ElenaViewSynthesis opened on Sep 25, 2026

• Feature request: feeless per-call settlement for Modal Function endpoints (x402)

  modal-labs/modal-client#4138 · Filter by author dhyabi2 opened on Sep 25, 2026

• Image.run_function preemption recovery fails with empty Dockerfile error

  modal-labs/modal-client#4135 · Filter by author ben-z opened on Sep 10, 2026

• GPU memory snapshot restore segfaults (exit 139) on ~60% of restores; failed restore also forces a snapshot re-creation on the next container (H100, faster-whisper/CTranslate2 + torchaudio in @modal.enter(snap=True))

  modal-labs/modal-client#4132 · Filter by author MaxEllis opened on Sep 6, 2026
  1

• modal volume get can corrupt a directory download when the local destination does not exist

  bug
  modal-labs/modal-client#4130 · Filter by author jasondavies opened on Aug 12, 2026
  2

• Python client: stdio retry budget never resets on progress, so long-lived sandbox and exec streams die on a routine drop

  modal-labs/modal-client#4128 · Filter by author shehio opened on Aug 9, 2026
  1

• JS SDK incorrectly decodes WorkspaceBillingSummaryResponse, reports incorrect cost data (stale bindings)

  bug
  modal-labs/modal-client#4127 · Filter by author RJFelix opened on Aug 7, 2026
  1

• "Deployment skipped: no changes detected" doesn't work in some circumstances

  bug
  modal-labs/modal-client#4126 · Filter by author hn-bfai opened on Aug 1, 2026
  2

• Cancelling a generator input kills the container instead of the input

  modal-labs/modal-client#4125 · Filter by author noonhub opened on Jul 31, 2026
  1

• JS/TS SDK can't run on Cloudflare Workers (edge runtime): gRPC-over-HTTP/2 transport is unsupported

  bug
  modal-labs/modal-client#4124 · Filter by author 0x0f0f0f opened on Jul 23, 2026

• Setup OIDC flow for npm modal pkg

  bug
  modal-labs/modal-client#4123 · Filter by author wardpeet opened on Jul 20, 2026
  1

• Proposal: portable failure passports for replaying distributed executions

  modal-labs/modal-client#4122 · Filter by author RitwijParmar opened on Jul 20, 2026

• modal.exception.DeserializationError occurs when accessing the Chinese URL

  bug
  modal-labs/modal-client#4116 · Filter by author HBcao233 opened on Jun 5, 2026
  3

• Q: User-supplied FUSE filesystems inside Function/Sandbox containers — supported?

  modal-labs/modal-client#4115 · Filter by author dilverse opened on May 28, 2026

• modal run / Modal SDK unusable from Claude Code Web due to gRPC sandbox restrictions

  modal-labs/modal-client#4113 · Filter by author dhruv-anand-aintech opened on May 10, 2026

• Sandbox.exec timeout kills only the direct process — child/grandchild processes survive as orphans

  modal-labs/modal-client#3992 · Filter by author wise-east opened on Mar 21, 2026
  2

• Multipart upload completion fails on S3 503 SlowDown with no retry

  modal-labs/modal-client#3917 · Filter by author ShivamB25 opened on Feb 13, 2026
  3

• Feature request: Improved type hints for map, starmap, for_each

  modal-labs/modal-client#2696 · Filter by author Taytay opened on Dec 19, 2024

• modal run -q option does not do what it says

  modal-labs/modal-client#2076 · Filter by author zsiegel92 opened on Aug 8, 2024
  4