AI-analyzed release notes for CNCF graduated and incubating projects.
Version v2.5.0 adds runtime and WIT/API capabilities and includes correctness and dependency updates. The release also enables wasip3 by default and includes a quinn-proto fix for RUSTSEC-2026-0185.
Action needed (1)
securityhighThe quinn-proto security fix
The quinn-proto dependency fix ships in wasmCloud v2.5.0 and addresses RUSTSEC-2026-0185.
Check if affected (1)
breakingDefault wasip3 enablement with wasmtime 46
Applies if your workloads use wasip3.
wasmCloud v2.4.0 adds operator capabilities and configuration options while correcting runtime and tooling behavior. It also changes supported platform behavior and updates dependencies associated with Rust security advisories, so platform-specific users and deployments using the affected crates are most directly concerned.
Action needed (1)
securityThe postgres crates, updated for Rust security advisories
The postgres crates are updated for RUSTSEC-2026-0178, RUSTSEC-2026-1079, and RUSTSEC-2026-0180. This dependency update ships in wasmCloud v2.4.0.
Check if affected (1)
breakingwebgpu disabled for s390
Applicability is not stated in the release notes.
A substantial operator-facing release adds workflow and MCP capabilities alongside control-plane, API, component, and lifecycle changes. It also includes security fixes, dependency and default updates, and compatibility constraints that affect upgrade planning and configuration review.
Action needed (8)
securitymediumThe golang. dependency update for GO-2026-4962
golang. is updated to v0.39.0 for GO-2026-4962.
securityThe durabletask-go and pgx dependency updates
durabletask-go is updated to v0.12.1, and pgx is updated as part of the vulnerability fixes.
breakingThe WorkflowsRemoteActivityReminder default, enabled
WorkflowsRemoteActivityReminder is enabled by default. Cross-app workflow activity results are delivered through Scheduler reminders unless the setting is changed.
breakingThe HotReload default, enabled
HotReload is enabled by default for Components, Subscriptions, MCPServers, Configurations, HTTPEndpoints, Resiliencies, and WorkflowAccessPolicies.
breakingSidecar probe defaults
Sidecar probe defaults now give liveness more time before a kubelet restart, at about 230 seconds, while readiness responds more quickly.
breakingThe HotReload default, enabled in v1.18
HotReload is enabled by default in v1.18.
breakingLiveness and readiness probe defaults
The default liveness probe is widened, and the readiness probe default is tightened.
breakingChanged sidecar probe defaults
Sidecar probe defaults now set liveness to be more lenient, at about 230 seconds before a kubelet restart, and readiness to be tighter, at about 3 seconds for the control plane and 5 seconds for daprd.
Check if affected (6)
securityService invocation path traversal ACL bypass fix
Applies if you use service invocation.
breakingThe MCPServerResource and WorkflowAccessPolicy feature gates, removed
Applies if you configure the MCPServerResource or WorkflowAccessPolicy feature gates.
breakingThe Sentry Ed25519 workload identity key rollback constraint
Applicability is not stated in the release notes.
Plan ahead (1)
deprecatedThe ScheduleJobAlpha1 alpha RPCs, deprecated
Applies if you use ScheduleJobAlpha1.
This release adds scalers, configuration options, metrics, authentication modes, and compatibility improvements. Operators with custom RBAC need to account for the Kubernetes events API migration, and users of removed scaler settings need to update their configurations.
Check if affected (7)
securityCredential headers on cross-host redirects and HTTPS downgrades
Applicability is not stated in the release notes.
breakingScaledObject name length validation
Applies when a ScaledObject name exceeds 63 characters.
breakingPositive unprocessedEventThreshold values
Applies if you configure a non-positive unprocessedEventThreshold.
Plan ahead (1)
deprecatedThe buildId, selectAllActive, and selectUnversioned settings, deprecated
Applies if you configure buildId, selectAllActive, or selectUnversioned.
A feature and operational-hardening release that adds alpha scheduling capabilities, new scheduler and Helm configuration, and fixes scheduler and integration stability issues. Operators should review Kubernetes and DRA compatibility requirements, the changed DRA default, and the disclosed denial-of-service and Prometheus security fixes.
Action needed (4)
securitymediumPrometheus dependency update for GHSA-vffh-x6r8-xx99
Updates github. to address stored XSS advisory GHSA-vffh-x6r8-xx99.
securitymediumAdmission webhook request body limits
The admission webhook now limits request bodies, fixing the denial-of-service risk identified by CVE-2026-44247 and GHSA-8wxp-xxp2-rcgx.
breakingDRA scheduling integration default
DRA scheduling integration is enabled by default.
breakingDRA scheduling integration default behavior
DRA scheduling integration is enabled by default to align with Kubernetes 1.34 and later behavior. Set predicate. to false to disable it.
Check if affected (2)
breakingOpt-in SchedulingGatesQueueAdmission
Applies if you enable SchedulingGatesQueueAdmission.
breakingOpt-in gang-aware preemption and reclamation
Applies if you configure gangPreempt and gangReclaim and do not configure preempt or reclaim.
