Releases

AI-analyzed release notes for CNCF graduated and incubating projects.

URGENCY

All Action needed Check if affected Plan ahead

KIND

All Security Breaking Deprecated

Category

All AI & ML CI/CD & App Delivery Kubernetes Core Networking & Messaging Observability Orchestration & Management Provisioning & Runtime Security Storage & Data

Jul 2026Clear ×

Karmadav1.17.5Orchestration & ManagementJul 31, 2026

ACTION 1CHECK 4PLAN 2OTHER 82View full analysis

A mixed maintenance and feature release with workload-affinity and anti-affinity support, encryption-at-rest capabilities, bug fixes, and updates to dependencies and default images. It also changes operational defaults and validation while deprecating or removing configuration flags and fields, so compatibility and configuration changes are part of the release.

Action needed (1)

breakingControllerPriorityQueue promotion to beta and default enablement
ControllerPriorityQueue is promoted to beta and enabled by default.

Check if affected (4)

breakingThe --etcd-init-image flag, removed from karmadactl init
Applies if you use the --etcd-init-image flag.
breakingnamespace validation for spec.resourceSelectors
Applies if you use PropagationPolicy or OverridePolicy.
breakingDistinct GroupByLabelKey values in WorkloadAffinity
Applies if you configure WorkloadAffinity.
+ 1 more on the release page

Plan ahead (2)

deprecatedEtcd.Local.InitImage deprecationdeprecated since v1.17.0 · removal date not announced
Applies if you configure Etcd.Local.InitImage in Karmada Init Configuration.
deprecatedDeprecation of cluster lease flagsdeprecated since v1.17.0 · removal date not announced
Applies if you use --cluster-lease-duration or --cluster-lease-renew-interval-fraction.

Open Policy Agent (OPA)v1.19.0SecurityJul 30, 2026

ACTION 3CHECK 2OTHER 36View full analysis

A release with a SQL injection fix and a GHSA-linked dependency update, alongside a breaking Rego safety-checking change. It also changes runtime and CLI behavior, adds capabilities, and fixes correctness and performance issues.

Action needed (3)

securityhighoras.land/oras-go/v2 update for GHSA-fxhp-mv3v-67qp
oras.land/oras-go/v2 is updated from 2.6.1 to 2.6.2 to address GHSA-fxhp-mv3v-67qp.
breakingReadHeaderTimeout default
All HTTP servers now set ReadHeaderTimeout to 32s.
breakingPartial set and -object rule name conflicts
The AST rejects partial set and -object rules that share a name.

Check if affected (2)

securityCompile API SQL identifier handling
Applies if you use the Compile API and use a dynamic key.
breakingStricter := safety checking
Applicability is not stated in the release notes.

NATSv2.12.14Networking & MessagingJul 30, 2026

ACTION 1CHECK 2OTHER 33View full analysis

A maintenance release with a Go toolchain update, dependency manifest updates, JetStream performance and configuration changes, and numerous correctness fixes. Authentication fixes address security flaws and require upgrading.

Action needed (1)

breakingThe disk concurrency semaphore, increased to 4096 slots
The disk concurrency semaphore is now set to 4096 slots, up from the previous CPU-scaled count. This performance change ships in v2.12.14.

Check if affected (2)

securityAuthentication checks with no_auth_user and auth callouts
Applies if you configure no_auth_user and use auth callouts.
securityTLS verify_and_map authentication with blank passwords
Applies if you use TLS and configure verify_and_map.

Ciliumv1.20.0Networking & MessagingJul 29, 2026

ACTION 11CHECK 28PLAN 6OTHER 478View full analysis

A substantial feature and maintenance release with Gateway API, networking, IPAM, policy, observability, and datapath changes, alongside correctness and performance fixes. Operators should review removed or renamed options, changed defaults and requirements, removed metrics and integrations, and the dependency updates addressing security-related issues.

Action needed (11)

securitygoogle.golang.org/grpc v1.79.3
The google.golang.org/grpc module is updated to v1.79.3 in the main branch.
securitygoogle.golang.org/grpc v1.82.1
The google.golang.org/grpc module is updated to v1.82.1 in the v1.20 branch.
securityhelm.sh/helm/v4 v4.1.4
The helm.sh/helm/v4 module is updated to v4.1.4 in the main branch.
securitygithub.com/cloudflare/circl v1.6.3
The github.com/cloudflare/circl module is updated to v1.6.3.
securitygithub.com/go-jose/go-jose/v4 v4.1.4
The github.com/go-jose/go-jose/v4 module is updated to v4.1.4.
securitygithub.com/moby/spdystream v0.5.1
The github.com/moby/spdystream module is updated to v0.5.1.
breakingcni.customConf CNI configuration version
The default CNI configuration version for cni.customConf changes from 0.3.1 to 1.0.0.
breakingCilium operator IPAM metrics removal
The IPAM metrics cilium_operator_ipam_ips and cilium_operator_ipam_available_interfaces are removed.
breakingDefault CNI configuration version
The default CNI configuration version changes from 0.3.1 to 1.0.0.
breakingNative histogram default
Native histograms are emitted for all histograms by default.
breakingAgent bootstrap metrics removal
Agent bootstrap metrics are removed.

Check if affected (28)

securitytbid traffic host namespace handling
Applies if you use tbid traffic.
breakingDocker libnetwork plugin removal
Applies if you use the Docker libnetwork plugin.
breakingces-slice-mode removal
Applies if you configure ces-slice-mode.
+ 25 more on the release page

Plan ahead (6)

deprecatedBeta Mutual Auth deprecationremoval date not announced
Applies if you use Mutual Auth.
deprecatedDeprecated address and interface CIDR fields
Applies if you configure addresses[].subnet or interfaces[].cidr.
deprecatedLocal REST BGP API deprecationremoval date not announced
Applies if you use the local REST BGP APIs.
+ 3 more on the release page

wasmCloudv2.6.0Orchestration & ManagementJul 28, 2026

ACTION 1OTHER 36View full analysis

A feature and maintenance release that adds runtime, plugin, service, component, and pooling capabilities while changing the default NATS behavior. It also includes dependency updates and fixes for runtime and observability defects.

Action needed (1)

breakingThe NATS consumer-group default
NATS now uses consumer groups by default in the release.

etcdv3.7.1Kubernetes CoreJul 23, 2026

ACTION 3CHECK 1OTHER 2View full analysis

A maintenance release changes server defaults and behavior, fixes correctness issues, and addresses disclosed security issues in watch permissions and google.golang.org/grpc. It also includes fixes for unbounded peer lease HTTP request reads and nested transaction request handling.

Action needed (3)

securityhighThe google.golang.org/grpc dependency update
The release updates google.golang.org/grpc to version 1.82.1 to address GHSA-hrxh-6v49-42gf.
breakingThe snapshotLimitByte default
The release sets a reasonable default value for snapshotLimitByte.
breakingThe client HTTP server ReadHeaderTimeout
The client HTTP server now sets ReadHeaderTimeout.

Check if affected (1)

securityhighWatch responses restricted to authorized keys
Applicability is not stated in the release notes.

etcdv3.6.14Kubernetes CoreJul 23, 2026

ACTION 5OTHER 5View full analysis

A maintenance release with security fixes, dependency updates, and changes to defaults and behavior. The changed snapshotLimitByte default and the security fixes are the main release concerns; other correctness fixes require no setup changes.

Action needed (5)

securitycriticalThe golang.org/x/net dependency update
The golang.org/x/net dependency is updated from 0.54.0 to 0.55.0 to address CVE-2026-25681, CVE-2026-27136, CVE-2026-39821, CVE-2026-42502, CVE-2026-25680, and CVE-2026-42506.
securityhighAuthorization fix for watch responses, GHSA-xg4h-6gfc-h4m8
An authorization issue is fixed where a user with read permission on one key could receive watch responses for every key starting from that key. This addresses GHSA-xg4h-6gfc-h4m8.
securityhighThe tlsHandshakeTimeout setting for tlsListener, GHSA-6vch-q96h-7gc3
The release sets tlsHandshakeTimeout for tlsListener. This addresses GHSA-6vch-q96h-7gc3.
securityhighThe google.golang.org/grpc dependency update
The google.golang.org/grpc dependency is updated to 1.82.1 to address GHSA-hrxh-6v49-42gf.
breakingThe snapshotLimitByte default value
The default value for snapshotLimitByte is set to a reasonable value in this release.

Linkerdedge-26.7.1Networking & MessagingJul 21, 2026

ACTION 1CHECK 1OTHER 58View full analysis

This release tightens Gateway API and service-port handling and corrects tracing identity construction. It also updates dependencies and shipped components, with no security advisories or explicitly described vulnerabilities.

Action needed (1)

breakingUndefined service port requests disallowed
The destination component now disallows requests to service ports that are not defined.

Check if affected (1)

breakingGateway API checks during Helm installation
Applies when you use Helm.

Daprv1.18.2Orchestration & ManagementJul 21, 2026

ACTION 3OTHER 18View full analysis

A maintenance release that corrects runtime, workflow, actor, metrics, component, and sidecar defects. It adds Kafka configuration and health-check capabilities and includes two security-related dependency upgrades.

Action needed (3)

securitymediumgithub.com/go-chi/chi/v5 updated for CVE-2025-69725
github.com/go-chi/chi/v5 is updated to v5.2.4, which resolves CVE-2025-69725.
securitymediumgo.mongodb.org/mongo-driver and github.com/dapr/components-contrib updates
go.mongodb.org/mongo-driver is updated to v1.17.7, and the github.com/dapr/components-contrib dependency is bumped to v1.18.3. The change carries advisory CVE-2026-2303.
breakingConflict errors for workflow instance IDs
Create requests for workflow instance IDs are rejected with a conflict error that names the blocking child workflow.

Jaegerv2.20.0ObservabilityJul 20, 2026

ACTION 1CHECK 3PLAN 1OTHER 27View full analysis

A release with backend compatibility removals, forced migrations, new configuration and CLI capabilities, and correctness fixes across storage, extensions, and related components. It does not disclose security advisories or security-specific flaws.

Action needed (1)

breakingTemplate creation through esclient
Template creation moves to esclient, and legacy mapping rendering is retired.

Check if affected (3)

breakingSupport for elasticsearch v6, removed
Applies if you use elasticsearch v6.
breakingThe jaegermcp extension, merged into jaegerquery
Applies if you use the jaegermcp extension.
breakingExpired stable feature gates, removed
Applicability is not stated in the release notes.

Plan ahead (1)

deprecatedThe legacy flag, deprecated
Applies if you use legacy flag.

Backstagev1.53.0CI/CD & App DeliveryJul 14, 2026

ACTION 1CHECK 12PLAN 3OTHER 259View full analysis

A substantial mixed feature and maintenance release adds backend, frontend, catalog, authentication, webhook, and TechDocs capabilities alongside dependency updates and defect fixes. It also includes operator-visible changes to APIs, configuration validation, OpenAPI tooling, and MCP transport behavior; no security advisories or security-specific fixes are disclosed.

Action needed (1)

breakingOpenAPI breaking change detection with oasdiff
@useoptic/optic and @useoptic/openapi-utilities have been replaced with oasdiff for OpenAPI breaking change detection.

Check if affected (12)

breakingSchema loading rejects invalid imports
Applicability is not stated in the release notes.
breakingThe package schema openapi init and repo schema openapi test commands, removed
Applies if you use package schema openapi init or repo schema openapi test.
breakingMutually exclusive userGroupMember.path and user.filter configuration
Applies if you configure both userGroupMember.path and user.filter.
+ 9 more on the release page

Plan ahead (3)

deprecatedOpaque entity header extension point deprecation
Applies if you use the opaque entity header extension point.
deprecatedDynamic Client Registration deprecation warning
Applies if you enable Dynamic Client Registration.
deprecatedStable auth.clientIdMetadataDocuments configuration
Applies if you configure auth.clientIdMetadataDocuments or auth.experimentalClientIdMetadataDocuments.

CoreDNSv1.14.5Kubernetes CoreJul 10, 2026

ACTION 1CHECK 1OTHER 30View full analysis

A release with operator-visible behavior corrections, new capabilities, configuration changes, and updated defaults. The changes span CoreDNS core behavior and multiple plugins, with no security advisories or explicitly described vulnerabilities.

Action needed (1)

breakingGo TLS defaults in core
The core component uses Go TLS defaults in this release.

Check if affected (1)

breakingDefault truncate amount for bare truncate
Applies if you configure truncate.

containerdv2.2.6Kubernetes CoreJul 9, 2026

ACTION 1OTHER 3View full analysis

A maintenance release with CRI and image-distribution fixes. The CRI constraint on CreateContainer requests may require action, while the other fixes take effect through the upgrade.

Action needed (1)

breakingCreateContainer rejection for stopped sandboxes
The CRI now rejects CreateContainer requests when the sandbox is not running. This constraint ships in containerd v2.2.6.

SPIREv1.15.2SecurityJul 9, 2026

ACTION 2CHECK 1OTHER 32View full analysis

A feature and behavior release that adds operator-facing configuration and integration options while changing supported inputs and runtime behavior. It also includes a dependency migration for disclosed CVEs and deprecates no existing operator feature.

Action needed (2)

securityMigration from github.com/docker/docker to github.com/moby/moby
Dependencies from github.com/docker/docker were migrated to their github.com/moby/moby equivalents to resolve CVEs. The migration ships in this release.
breakingRPC metrics from agent health check loopback calls
Agent health check loopback calls no longer emit RPC metrics. This reduces metrics noise in the agent.

Check if affected (1)

breakingJWT-SVID serving by the delegated API
Applies if you use the delegated API for admin or downstream entries.

Prometheusv3.13.0ObservabilityJul 1, 2026

ACTION 2CHECK 2OTHER 37View full analysis

A long-term support release with security-related dependency updates, PromQL changes, new APIs and configuration controls, and bug fixes. It also replaces a shipped license artifact and includes performance improvements.

Action needed (2)

securitycriticalThe sanitize-html dependency update
The UI updates sanitize-html to address a cross-site scripting vulnerability, identified as CVE-2026-44990.
breakingThe third-party license artifact
Third-party npm dependency licenses are embedded in the Prometheus binary and served at /assets/third-party-licenses.txt. This replaces the npm_licenses.tar.bz2 archive previously shipped in release tarballs and container images.

Check if affected (2)

securitymediumRedirect credential forwarding
Applies if you use scraping, remote read/write, alerting, or service discovery.
breakingPromQL duration-expression function names
Applies if you enable experimental-duration-expr and use min() and max().

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