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wasmCloud

v2.9.0Orchestration & Management
Sep 8, 2026

ACTION 1PLAN 1OTHER 23

A feature release that adds plugin, runtime, concurrency, and observability capabilities. It also corrects runtime defects and enforces guest-memory limits.

Action needed (1)

  • breakingThe max-guest-memory limit is enforced

    This release enforces the max-guest-memory limit.

    wasmCloud#5511

Plan ahead (1)

  • deprecatedThe deprecated --enable-meters flag alias

    The wash command aliases the deprecated --enable-meters flag.

    wasmCloud#5519

All 23 other recorded changesfixes 10 · additions 8 · value changes 4 · constraints 1

fixes (10)

  • * fix(runtime-operator): stop deleting hosts on bus loss by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5502
  • * fix(wash-runtime): compile workloads off the async runtime by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5503
  • * Fix guest-execution metering by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5518
  • * fix(chart,runtime): shutdown draining by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5524
  • * fix(wash-runtime): deliver wasi:config to every component of a workload by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5526
  • * fix ingress descriptor exhaustion by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5529
  • * fix(wash-runtime): cache components by digest by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5533
  • * fix: give an embedded host the meters its type promises by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5534
  • * fix(wash-dev): enable host loopback so allowedHostLoopbackPorts works by @shreya-d2604 in https://github.com/wasmCloud/wasmCloud/pull/5541
  • * fix(wash-runtime): act on a stopped ingress and a lost control plane by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5542

additions (8)

  • * feat/host memory embedder api by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5506
  • * Native NATS Host Plugin by @jfleitz in https://github.com/wasmCloud/wasmCloud/pull/5494
  • * feat(wash-runtime): reclaim warm instances when a component goes idle by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5507
  • * (FEAT) Generic host plugin bindings by @jfleitz in https://github.com/wasmCloud/wasmCloud/pull/5517
  • * feat: maxConcurrentStarts config by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5522
  • * feat(wash-runtime): liveness and readiness on own probes port by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5530
  • * Add bindings support for host component plugins by @jfleitz in https://github.com/wasmCloud/wasmCloud/pull/5535
  • * feat: plugin dispatch target by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5545

value changes (4)

  • * chore(deps): bump the all-go group across 2 directories with 3 updates by @dependabot[bot] in https://github.com/wasmCloud/wasmCloud/pull/5509
  • * Run NATS core and KV NATS deliveries on the instance pool by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5513
  • * One attribute scheme for guest metrics by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5525
  • * build(deps): Bump the all-go group across 2 directories with 5 updates by @dependabot[bot] in https://github.com/wasmCloud/wasmCloud/pull/5539

constraints (1)

  • * [FEAT] support concurrency for async wasmcloud:messaging by @ricochet in https://github.com/wasmCloud/wasmCloud/pull/5515
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