Issues

• RFC: hugepage/memory fit admission for best-of-K placement (minimal viable change)

  e2b-dev/runtime#3656 · opened on Sep 22, 2026

• NBD device-release race + partscan noise: isDeviceFree predicate too weak, causes dmesg I/O errors

  e2b-dev/runtime#3652 · opened on Sep 21, 2026

• [Bug]: Invalid keepalive interval can crash envd and lose running-process tracking

  e2b-dev/runtime#3650 · opened on Sep 20, 2026
  1

• The Memory Oversubscription Gap: AgentEnv's Shared Page Cache Advantage vs E2B's Isolation-First Architecture

  e2b-dev/runtime#3646 · opened on Sep 17, 2026
  1

• Local filesystem writes can retain stale tail data when overwriting shorter objects

  e2b-dev/runtime#3642 · opened on Sep 16, 2026
  3

• Cancelled/timed-out sandbox create leaves an unregistered orphan instance on the node

  e2b-dev/runtime#3637 · opened on Sep 14, 2026

• DELETE on a paused sandbox can be undone by an in-flight resume: sandbox ends up running after DELETE returns 204

  e2b-dev/runtime#3636 · opened on Sep 13, 2026
  3

• Clarify denyOut semantics for sandbox-local MMDS (169.254.169.254)

  e2b-dev/runtime#3625 · opened on Sep 7, 2026
  1

• envd: distinguish expected stdin lifecycle errors from CodeInternal

  e2b-dev/runtime#3622 · opened on Sep 7, 2026

• Restore <pkg>-v<ver> git tags for per-component releases

  e2b-dev/runtime#3620 · opened on Sep 6, 2026

• [Bug]: flock() on a mounted volume hangs forever (mount is missing nolock)

  e2b-dev/runtime#3619 · opened on Sep 4, 2026

• Orchestrator GRPC_PORT takes 20-30 min to bind on startup when /run/netns has many residual ns-* from a previously drained node

  e2b-dev/runtime#3615 · opened on Sep 3, 2026

• Future plans for the public Firecracker fork / self-host source builds?

  e2b-dev/runtime#3612 · opened on Aug 31, 2026

• bug(envd): HTTP listener bound after blocking init chain — connect-refused during startup race

  e2b-dev/runtime#3610 · opened on Aug 31, 2026

• bug(envd): rare startup race — MMDS poller keeps running but HTTP listener never binds (sandbox refuses :49983 instantly, orchestrator can't tell)

  e2b-dev/runtime#3609 · opened on Aug 28, 2026
  1

• obs(api): Redis storage layer is missing key metrics across lock, transition, scan, and data-quality paths

  e2b-dev/runtime#3607 · opened on Aug 24, 2026

• obs(api): no metrics on global expiration ZSET size or evictor sweep latency

  e2b-dev/runtime#3605 · opened on Aug 24, 2026

• perf(api): cjson.decode in startTransitionScript Lua script blocks Redis event loop under concurrent evictions

  e2b-dev/runtime#3602 · opened on Aug 24, 2026

• Alpine template builds fail: glibc busybox in SyncChangesToDisk + missing /usr/bin/ionice and /usr/bin/nice

  e2b-dev/runtime#3597 · opened on Aug 23, 2026

• sandbox cache: StartRemoving state transition not broadcast, all allocations see stale Running state

  e2b-dev/runtime#3595 · opened on Aug 22, 2026

• perf(api): TeamItems causes O(allocations × team_size) Redis read bandwidth — extend existing pub/sub to maintain per-allocation sandbox cache

  e2b-dev/runtime#3593 · opened on Aug 22, 2026

• RFC: Evaluate replacing Redis with DragonflyDB as the caching backend

  e2b-dev/runtime#3591 · opened on Aug 21, 2026

• envd/port-forwarder: IPv6 wildcard (:::PORT) listeners silently ignored; dual-stack port key collision drops one socat

  e2b-dev/runtime#3586 · opened on Aug 18, 2026

• kernel: ipv6.disable=0 with no IPv6 routing causes Happy Eyeballs latency on all outbound sandbox connections

  e2b-dev/runtime#3585 · opened on Aug 18, 2026

• orchestrator: ResourceExhausted error messages don't include current vs max counts

  e2b-dev/runtime#3583 · opened on Aug 18, 2026