# wasmCloud Blog wasmCloud Blog This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles. ## wasmCloud 2.9: NATS-native interfaces, guest memory enforcement, and Kubernetes-grade lifecycle DevFeed: [wasmCloud 2.9: NATS-native interfaces, guest memory enforcement, and Kubernetes-grade lifecycle]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2026-09-08T00:00:00Z Content type: release Language: en Sources: [wasmCloud Blog]() Topics: [jetstream](), [Kubernetes](), [Messaging](), [configuration]() Tags: [configuration](), [jetstream](), [kubernetes](), [messaging](), [release](), [updates]() ### AI overview wasmCloud 2.9.0 introduces a NATS-native interface with access to Core NATS, JetStream, and key-value buckets. The release also enforces guest memory budgets in real time, adds Kubernetes-oriented lifecycle behavior, allows idle instance pools to shrink, enables guest execution metrics by default, and unifies host plugin configuration. ### Source excerpt wasmCloud 2.9 ships the NATS-native wasmcloud:nats interface with JetStream and key-value access, makes the guest memory budget enforceable, lets idle instance pools shrink, and teaches host pods to drain, probe, and survive control plane outages. ## wasmCloud 2.8: Async messaging, admission control, and a backstop for runaway guests DevFeed: [wasmCloud 2.8: Async messaging, admission control, and a backstop for runaway guests]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2026-08-26T00:00:00Z Content type: release Language: en Sources: [wasmCloud Blog]() Topics: [Messaging](), [Resilience](), [configuration]() Tags: [async](), [interfaces](), [memory](), [messaging](), [wasmcloud]() ### AI overview wasmCloud 2.8.0 introduces asynchronous messaging interfaces with streamed payloads, typed errors, and timeouts. It also adds admission control for messaging deliveries, detects guests that consume CPU without yielding, exposes wasmtime memory tuning through Helm, and tightens related defaults. ### Source excerpt wasmCloud 2.8 ships the async wasmcloud:messaging 0.3.0 interfaces with streamed payloads, brings messaging deliveries under admission control, opens up wasmtime memory tuning, and reclaims CPU from guests that never yield. ## wasmCloud 2.7: Bidirectional host component plugins, concurrent pooling, and multi-backend binding by default DevFeed: [wasmCloud 2.7: Bidirectional host component plugins, concurrent pooling, and multi-backend binding by default]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2026-08-12T00:00:00Z Content type: release Language: en Sources: [wasmCloud Blog]() Topics: [WebAssembly](), [configuration](), [networking]() Tags: [component](), [concurrent](), [configuration](), [networking](), [release](), [secrets](), [wasmcloud](), [webassembly]() ### AI overview wasmCloud 2.7 introduces bidirectional host component plugins, concurrent pooled instances, and multi-backend binding by default. It also adds workload-level HTTP connection pooling, raw-socket quotas, opt-in egress policies, configurable CA trust, and updated Helm chart CRDs. ### Source excerpt wasmCloud 2.7 makes host component plugins bidirectional (plugins can call workload exports), multiplies warm-instance capacity with maxConcurrency, enables multi-backend binding by default, and hardens workload networking with quotas and private CA trust. ## wasmCloud 2.6: Trigger services, host component plugins, and warm instance pooling DevFeed: [wasmCloud 2.6: Trigger services, host component plugins, and warm instance pooling]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2026-08-03T00:00:00Z Content type: release Language: en Sources: [wasmCloud Blog]() Topics: [WebAssembly](), [Messaging](), [Latency]() Tags: [components](), [dns](), [latency](), [plugins](), [services](), [stateful](), [streaming](), [wasmcloud](), [webassembly]() ### AI overview wasmCloud 2.6.0 and patch 2.6.1 introduce trigger services, host component plugins, warm-instance pooling, default NATS consumer groups for replicas, per-component DNS allowlists, Wasmtime 47 updates, and direct WASI 0.3 component builds. ### Source excerpt wasmCloud 2.6 ships trigger services, host component plugins (WebAssembly components that extend the host), warm-instance pooling, consumer groups by default for NATS messaging, and per-component DNS allowlists. ## wasmCloud 2.5.0: Wasmtime 46, WASI 0.3, and multiplexed WebAssembly host plugins DevFeed: [wasmCloud 2.5.0: Wasmtime 46, WASI 0.3, and multiplexed WebAssembly host plugins]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2026-06-30T00:00:00Z Content type: release Language: en Sources: [wasmCloud Blog]() Topics: [WebAssembly](), [wasm](), [Streaming]() Tags: [helm](), [release](), [streaming](), [wasi](), [wasm](), [webassembly]() ### AI overview wasmCloud 2.5.0 is released with Wasmtime 46 and WASI 0.3 enabled by default. It adds configurable top-level WebAssembly proposals, multiplexed host-plugin interfaces, async-shaped and WIT improvements, Helm chart hardening, a host-controller refactor, and quality-of-life fixes. ### Source excerpt wasmCloud 2.5.0 ships with Wasmtime 46, WASI 0.3 on by default, configurable WebAssembly proposals, and `(implements ..)` multiplexing for host plugins. ## wasmCloud 2.4.0: HPA + KEDA autoscaling, multi-handler workloads, pluggable NATS DevFeed: [wasmCloud 2.4.0: HPA + KEDA autoscaling, multi-handler workloads, pluggable NATS]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2026-06-17T00:00:00Z Content type: release Language: en Sources: [wasmCloud Blog]() Topics: [wasm](), [Kubernetes](), [autoscaling](), [Messaging](), [Security]() Tags: [autoscaling](), [handler](), [helm](), [kubernetes](), [messaging](), [net-11-preview-7](), [opentelemetry](), [prometheus](), [security](), [wasmcloud]() ### AI overview wasmCloud 2.4.0 adds Kubernetes-native autoscaling for Wasm workloads through HPA and KEDA, multi-handler messaging workflows, expanded Helm configuration, a redesigned host plugin API, and a Wasmtime 45.0.2 security update. ### Source excerpt wasmCloud 2.4.0 brings Kubernetes-native autoscaling for Wasm workloads via HPA and KEDA, multi-handler messaging in wash dev, a Helm chart NATS overhaul with split scheduler/data URLs, a NATS-backed operator liveness probe, and a Wasmtime 45.0.2 security bump. ## wasmCloud 2.3.0: Workload configuration, end-to-end OTel DevFeed: [wasmCloud 2.3.0: Workload configuration, end-to-end OTel]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2026-06-03T00:00:00Z Content type: release Language: en Sources: [wasmCloud Blog]() Topics: [configuration](), [OpenTelemetry](), [observability](), [Traces](), [YAML](), [Deployment](), [Testing]() Tags: [configuration](), [observability](), [opentelemetry](), [release](), [testing](), [traces](), [wasmcloud](), [yaml]() ### AI overview wasmCloud 2.3.0 adds workload environment, configuration, and secrets to wash/config.yaml, aligning local development configuration with deployed workloads. The release also includes cross-workload OpenTelemetry trace roll-up, wasi-otel rc2, namespaced runtime-operator RBAC, operator fuzz testing, a wasip3 canary image, and a Wasmtime 45 upgrade. ### Source excerpt wasmCloud 2.3.0 brings workload env, config, and secrets to wash/config.yaml, a cross-workload OpenTelemetry trace roll-up, wasi-otel rc2, namespaced runtime.wasmcloud.dev RBAC, runtime-operator fuzz testing, a wasip3 canary image, and a Wasmtime 45 upgrade. ## wasmCloud 2.2.0: TLS for WebAssembly, customizable HTTP egress DevFeed: [wasmCloud 2.2.0: TLS for WebAssembly, customizable HTTP egress]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2026-05-21T00:00:00Z Content type: release Language: en Sources: [wasmCloud Blog]() Topics: [WebAssembly](), [HTTP](), [TLS (Transport Layer Security)]() Tags: [config](), [handler](), [hardening](), [http](), [middleware](), [release](), [rpc](), [tls](), [wasi](), [webassembly]() ### AI overview wasmCloud 2.2.0 adds native TLS for WebAssembly components through WASI Preview 3, a pluggable HTTP egress handler, an expanded wash config command, and runtime-operator hardening. The release also supports customizable TLS providers and embedder-controlled outbound request handling. ### Source excerpt wasmCloud 2.2.0 brings WASI Preview 3 TLS to WebAssembly components, a pluggable OutgoingHandler trait for HTTP egress, an expanded wash config command, and runtime-operator hardening. ## wasmCloud 2.1.0: Namespaced hosts, native routing DevFeed: [wasmCloud 2.1.0: Namespaced hosts, native routing]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2026-05-07T00:00:00Z Content type: release Language: en Sources: [wasmCloud Blog]() Topics: [Kubernetes](), [Routing (disambiguation)](), [networking](), [Deployment]() Tags: [benchmarks](), [kubernetes](), [plugin](), [preview](), [routing](), [services](), [wasi]() ### AI overview wasmCloud 2.1.0 introduces namespace-scoped Host CRDs, Kubernetes-native Service routing, plugin support in services, HTTP microbenchmarks, and a WASI P3 preview. The release also adds controls for multi-tenant host isolation and namespaced access management. ### Source excerpt wasmCloud 2.1.0 brings namespace-scoped Host CRDs, Kubernetes-native Service routing, plugin support in services, HTTP benchmarks, and a WASI P3 preview. ## Q2 2026 Roadmap Recap DevFeed: [Q2 2026 Roadmap Recap]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2026-04-15T00:00:00Z Content type: article Language: en Sources: [wasmCloud Blog]() Topics: [WebAssembly](), [Kubernetes](), [Orchestration]() Tags: [kubernetes](), [wasi](), [wasmcloud](), [webassembly]() ### AI overview A recap of wasmCloud's Q2 2026 roadmap, focusing on bringing WASI P3 support toward production readiness and tracking related implementation work, while also covering Kubernetes integrations, host plugins, observability, and security priorities. ### Source excerpt The Q2 2026 wasmCloud roadmap: WASI P3 support, Kubernetes integrations, host plugins, observability, and security priorities. ## wasmCloud v2.0 is here DevFeed: [wasmCloud v2.0 is here]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2026-03-23T00:00:00Z Content type: release Language: en Sources: [wasmCloud Blog]() Topics: [wasm](), [WebAssembly](), [Cloud Native Ecosystem](), [Kubernetes](), [Command-line interface](), [Containers](), [Development]() Tags: [cli](), [cloud-native](), [containers](), [go](), [kubernetes](), [native](), [operator](), [rust](), [typescript](), [vendor-lock-in](), [wasi](), [wasm](), [wasm-components](), [wasmcloud](), [webassembly]() ### AI overview wasmCloud v2.0 is a redesigned platform for deploying WebAssembly workloads across clouds, Kubernetes clusters, datacenters, and edge locations. The release introduces a simplified runtime architecture, Kubernetes-native scheduling, Wasm Shell, a workload API, and a Kubernetes Operator. ### Source excerpt wasmCloud v2.0 is a reimagining of the wasmCloud platform: Kubernetes-native, radically simplified, and more powerful than ever. ## wasmCloud at KubeCon + CloudNativeCon EU 2026 DevFeed: [wasmCloud at KubeCon + CloudNativeCon EU 2026]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2026-03-12T00:00:00Z Content type: news Language: en Sources: [wasmCloud Blog]() Topics: [WebAssembly](), [wasm]() Tags: [2026](), [community](), [event](), [kubecon](), [maintainers](), [slack](), [wasm](), [wasmcloud](), [webassembly]() ### AI overview wasmCloud announces its presence at KubeCon + CloudNativeCon EU 2026 in Amsterdam, including a kiosk in the Project Pavilion, WasmCon participation, and demonstrations of wasmCloud v2. ### Source excerpt Meet wasmCloud at KubeCon + CloudNativeCon EU 2026 in Amsterdam: visit the project booth, attend WasmCon, and see what is new in wasmCloud v2. ## WasmCon NA 2025 Liveblog DevFeed: [WasmCon NA 2025 Liveblog]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2025-11-10T00:00:00Z Content type: news Language: en Sources: [wasmCloud Blog]() Topics: [WebAssembly](), [wasm](), [Concurrency](), [Streaming]() Tags: [2025](), [concurrency](), [kubecon](), [kubecon-na](), [streaming](), [support](), [wasi](), [webassembly]() ### AI overview A liveblog from WasmCon at KubeCon + CloudNativeCon NA 2025 covers WebAssembly's evolution, WASI P3, the Component Model, language-integrated concurrency, streaming, and approaches to reducing unnecessary copying. ### Source excerpt Live coverage of WasmCon at KubeCon NA 2025 in Atlanta: WASI P3, the Component Model, language support, and the future of WebAssembly in production. ## wasmCloud at KubeCon + CloudNativeCon NA 2025 DevFeed: [wasmCloud at KubeCon + CloudNativeCon NA 2025]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2025-11-05T00:00:00Z Content type: news Language: en Sources: [wasmCloud Blog]() Topics: [Cloud](), [Cloud Native Ecosystem](), [Orchestration](), [Instrumentation](), [linkerd](), [webgpu](), [GitOps]() Tags: [cloud-native](), [gitops](), [instrumentation](), [kubecon](), [linkerd](), [maintainers](), [talks](), [wasi](), [wasmcloud](), [webgpu]() ### AI overview wasmCloud announces its presence at KubeCon + CloudNativeCon NA 2025 in Atlanta, including a project kiosk and maintainer and contributor presentations on service meshes, Wasm instrumentation, WASI WebGPU, GitOps with Wasm workloads, and related topics. ### Source excerpt Meet wasmCloud at KubeCon + CloudNativeCon NA 2025 in Atlanta: project booth, maintainer talks on service meshes, WASI WebGPU, GitOps, and more. ## Introducing the next-generation wasmCloud runtime DevFeed: [Introducing the next-generation wasmCloud runtime]() Original publisher: [Read original article]() Author: Brooks Townsend; Eric Gregory Published: 2025-11-05T00:00:00Z Content type: release Language: en Sources: [wasmCloud Blog]() Topics: [WebAssembly](), [wasm](), [Rust](), [API](), [Kubernetes]() Tags: [feature-flags](), [kubernetes](), [messaging](), [rust](), [wasi](), [wasmcloud](), [webassembly]() ### AI overview The article announces wash-runtime, a Rust crate that wraps Wasmtime to provide an ergonomic runtime and workload API for executing WebAssembly components with built-in WASI support. It describes how the design simplifies wasmCloud's architecture and supports embedding, plugins, NATS subscriptions, and future wasmCloud initiatives. ### Source excerpt The wash-runtime crate simplifies wasmCloud's architecture into an ergonomic WebAssembly host, paving the way for wasmCloud v2. ## Securely Signing WebAssembly Components with Cosign (OIDC) DevFeed: [Securely Signing WebAssembly Components with Cosign (OIDC)]() Original publisher: [Read original article]() Author: Liam Randall Published: 2025-09-02T00:00:00Z Content type: tutorial Language: en Sources: [wasmCloud Blog]() Topics: [WebAssembly](), [sigstore](), [GitHub Container Registry](), [OpenID connect (OIDC)](), [Rust](), [Command-line interface](), [Authentication](), [Security]() Tags: [authentication](), [cli](), [cosign](), [github-container-registry](), [integrity](), [oci-registry](), [oidc](), [registry](), [security](), [signing](), [sigstore](), [supply-chain](), [supply-chain-security](), [verify](), [wasi](), [wasm-components](), [wasmcloud](), [webassembly](), [webassembly-wasmcloud-security-cosign-oidc-signing-oci-registry-supply-chain-security-wasi-wasm-comp]() ### AI overview A tutorial showing how to build a Rust-based WebAssembly component, sign it with Sigstore Cosign using OIDC identity, push it to GitHub Container Registry, and verify it before execution. ### Source excerpt Build, sign, and verify WebAssembly component artifacts using Sigstore's cosign with OIDC identity--secure, registry-native signatures for wasmCloud. ## Introducing the wash CLI's new Wasm-powered plugin system DevFeed: [Introducing the wash CLI's new Wasm-powered plugin system]() Original publisher: [Read original article]() Author: Brooks Townsend Published: 2025-08-27T00:00:00Z Content type: article Language: en Sources: [wasmCloud Blog]() Topics: [Command-line interface](), [wasm](), [WebAssembly](), [Extension](), [Security](), [Containers]() Tags: [cli](), [components](), [extensions](), [oci](), [plugin](), [security](), [wasm](), [webassembly]() ### AI overview The article introduces the next-generation wash CLI's WebAssembly component-based plugin system. It explains how the model supports portability, sandboxing, capability-based security, and development in multiple languages, while allowing custom commands and automatic plugin discovery. ### Source excerpt Why a Wasm-driven plugin model is so powerful for CLIs, and how the next-generation wash CLI uses WebAssembly components for portable, sandboxed extensions. ## Introducing setup-wash: A GitHub Action for installing the Wasm Shell CLI DevFeed: [Introducing setup-wash: A GitHub Action for installing the Wasm Shell CLI]() Original publisher: [Read original article]() Author: Bailey Hayes Published: 2025-08-20T00:00:00Z Content type: article Language: en Sources: [wasmCloud Blog]() Topics: [GitHub Actions](), [wasm](), [GitHub](), [Command-line interface](), [TypeScript](), [Development]() Tags: [build](), [cli](), [github-action](), [github-actions](), [typescript](), [wasm](), [wasm-components]() ### AI overview The article introduces setup-wash, a GitHub Action that installs the Wasm Shell CLI for building and publishing Wasm components in workflows. It explains how the action was developed and compares Docker container, TypeScript, and composite Action approaches. ### Source excerpt Introducing setup-wash, a GitHub Action for installing the Wasm Shell CLI, plus lessons learned comparing TypeScript, container, and composite Actions. ## Good first issues: Q3 2025 DevFeed: [Good first issues: Q3 2025]() Original publisher: [Read original article]() Author: Eric Gregory Published: 2025-08-15T00:00:00Z Content type: article Language: en Sources: [wasmCloud Blog]() Topics: [wasm](), [Development](), [Command-line interface](), [Documentation](), [configuration](), [Tooling]() Tags: [cleanup](), [cli](), [commands](), [config](), [contribute](), [contributors](), [data](), [development](), [tooling](), [wasmcloud]() ### AI overview A wasmCloud community article highlights good first issues for Q3 2025, covering contributions to the platform, documentation, CLI, and ecosystem libraries. Featured tasks include standardizing image reference fields, adding configuration validation and cleanup commands, and improving Wasm artifact detection after custom builds. ### Source excerpt Whether you're a veteran wasmCloud user or brand new to the Wasm ecosystem, there are tons of opportunities for folks of all experience levels to contribute.