Releases

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

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Strimzi1.0.0Networking & MessagingApr 28, 2026

ACTION 2CHECK 4OTHER 12View full analysis

A release that removes older CRD API versions, changes defaults and configuration locations, and adds Kafka and HTTP Bridge capabilities. Monitoring configurations and standalone Topic Operator setups may require updates.

Action needed (2)

breakingThe UseConnectBuildWithBuildah feature gate, enabled by default
The UseConnectBuildWithBuildah feature gate moves to the beta stage and is enabled by default.
breakingThe /metrics endpoint, moved to the HTTP management interface
The /metrics endpoint is no longer available on the regular HTTP interface, which uses port 8080 by default. It is now available on the HTTP management interface on port 8081.

Check if affected (4)

breakingOlder CRD API versions, removed
Applies if you use the v1beta2, v1beta1, or v1alpha1 CRD APIs.
breakingThe Open Policy Agent (OPA) authorizer plugin, no longer bundled
Applies if you use the Open Policy Agent (OPA) authorizer plugin.
breakingLegacy TLS environment variables, ignored
Applies if you set any of STRIMZI_TLS_ENABLED, STRIMZI_TLS_AUTH_ENABLED, STRIMZI_PUBLIC_CA, STRIMZI_TRUSTSTORE_LOCATION, STRIMZI_TRUSTSTORE_PASSWORD, STRIMZI_KEYSTORE_LOCATION, or STRIMZI_KEYSTORE_PASSWORD.
+ 1 more on the release page

Source ↗

NATSv2.11.17Networking & MessagingApr 27, 2026

CHECK 2OTHER 7View full analysis

A maintenance release updates the Go toolchain and corrects NATS server defects. It includes fixes for bearer credential disclosure through monitoring and for redaction of route and cluster URL secrets.

Check if affected (2)

securityThe /connz endpoint no longer discloses bearer JWTs
Applies if you use the /connz monitoring endpoint.
securityMonitoring redaction of route and cluster URL secrets
Applies if you pass route and cluster URL secrets as command line arguments.

Source ↗

Envoyv1.38.0Networking & MessagingApr 23, 2026

ACTION 1CHECK 6PLAN 1OTHER 77View full analysis

A release with breaking configuration and flag changes, many new extension and protocol capabilities, and fixes for security, correctness, and observability. The recorded additions include module and filter extension APIs, MCP and A2A protocol support, OpenSSL builds, new formatters and metrics, and expanded streaming and TLS capabilities.

Action needed (1)

securityhighnghttp2 **CVE-2026-27135** patch
The nghttp2 **CVE-2026-27135** patch is included.

Check if affected (6)

securityURL encoding for query_parameter_mutations values
Applies if you configure query_parameter_mutations.
securityRBAC concatenation-based bypass prevention
Applies if RBAC runs.
breakingExplicit max_early_data_bytes configuration
Applies if you configure upstream_connect_mode with a value other than IMMEDIATE and do not configure max_early_data_bytes.
+ 3 more on the release page

Plan ahead (1)

deprecatedThe enforce_rsa_key_usage option, deprecatedremoval date not announced
Applies if you configure enforce_rsa_key_usage.

Source ↗

Contourv1.33.4Networking & MessagingApr 20, 2026

CHECK 2OTHER 2View full analysis

A release with a fix for Lua code injection, a required Envoy version change, and an Envoy dependency update. It is tested against Kubernetes 1.32 through 1.34.

Check if affected (2)

securityhighCVE-2026-41246 fix for cookieRewritePolicies[].pathRewrite.value
Applies if you use HTTPProxy resources.
breakingEnvoy 1.35.0 minimum version
Applies if you depend on Envoy.

Source ↗

Contourv1.31.6Networking & MessagingApr 20, 2026

CHECK 1OTHER 2View full analysis

This release fixes a Lua code injection vulnerability in Contour's Cookie Rewriting feature and updates Envoy to v1.34.14. It is tested against Kubernetes 1.30 through 1.32.

Check if affected (1)

securityhighLua code injection fix for CVE-2026-41246
Applies if you configure cookieRewritePolicies[].pathRewrite.value.

Source ↗

NATSv2.12.7Networking & MessagingApr 14, 2026

CHECK 3OTHER 15View full analysis

A maintenance release with a dependency and toolchain update, configuration constraint changes, performance improvements, and correctness fixes. It also fixes an ACL permission bypass along with issues affecting leaf connections, streams, storage, and client authentication.

Check if affected (3)

securityQueue subscription enforcement of ACL deny patterns
Applies if you use queue subscriptions and configure non-queue ACL deny patterns.
breakingThe no_auth_user configuration field, restricted to client connections
Applies if you configure no_auth_user.
breakingDuplicate INFO permission updates for solicited leaf connections
Applies if you use solicited leaf connections.

Source ↗

NATSv2.11.16Networking & MessagingApr 14, 2026

CHECK 2OTHER 7View full analysis

This release updates the Go toolchain and corrects authorization, leafnode, and WebSocket behavior. Configuration rules for no_auth_user and duplicate leaf permission updates are narrower, so affected existing setups may require review.

Check if affected (2)

breakingThe no_auth_user connection scope restriction
Applies if you configure no_auth_user.
breakingThe INFO permission update restriction
Applies if you use solicited leaf connections.

Source ↗

Emissary-Ingressv4.0.1Networking & MessagingMar 26, 2026

ACTION 1CHECK 6OTHER 14View full analysis

A release with operator-facing compatibility changes, including feature removals, aligned chart and application versions, GHCR-only chart distribution, and a changed CRD conversion-webhook default. It also updates dependencies and the Python interpreter to resolve CVEs, with additional defect fixes and new service and architecture capabilities.

Action needed (1)

securityDependency and Python interpreter updates for CVE fixes
Many dependencies and the Python interpreter were updated to resolve CVEs.

Check if affected (6)

breakingCustom error responses and header-case mangling, removed
Applies if you use Ambassador Edge Stack's custom error responses or header-case mangling features.
breakingHelm chart and Emissary version alignment
Applies if you use the Helm chart.
breakingGHCR-only Helm chart distribution
Applies if you use Emissary's Helm charts.
+ 3 more on the release page

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gRPCv1.80.0Networking & MessagingMar 26, 2026

CHECK 1OTHER 8View full analysis

This release adds TLS, certificate, xDS, and C++ credential capabilities, and changes EventEngine defaults and support. It also corrects an OpenBSD sizing defect and changes RR and WRR connection behavior.

Check if affected (1)

breakingEventEngine defaults and fork support
Applies if you use Python or Ruby.

Source ↗

NATSv2.12.6Networking & MessagingMar 24, 2026

ACTION 1CHECK 13OTHER 36View full analysis

A maintenance release with multiple security fixes, tighter JWT and MQTT-related enforcement, and dependency manifest updates. It also includes correctness fixes and improvements across networking, monitoring, clustering, and JetStream.

Action needed (1)

breakingJWT size limit
JWTs now have a 1MB size limit.

Check if affected (13)

securityhighMQTT security fixes
Applies if you use MQTT.
securityhighLeafnode security fix
Applies if you use leafnodes.
securityhighCommand-line credential security fix
Applies if you provide credentials on the command line.
+ 10 more on the release page

Source ↗

NATSv2.11.15Networking & MessagingMar 24, 2026

ACTION 1CHECK 11OTHER 22View full analysis

A maintenance release with multiple disclosed security fixes, correctness fixes, stricter validation and permission constraints, and dependency and toolchain updates. It also includes fixes across MQTT, JetStream, leafnodes, WebSockets, monitoring, and clustering.

Action needed (1)

breakingThe JWT size limit
JWTs now have a 1MB size limit.

Check if affected (11)

securityhighCVE-2026-33216, CVE-2026-33217, and CVE-2026-33215 fixes for MQTT systems
Applies if you use MQTT.
securityhighCVE-2026-33218 fix for leafnodes
Applies if you use leafnodes.
securityhighCVE-2026-33247 fix for command-line credentials
Applies if you configure credentials on the command line.
+ 8 more on the release page

Source ↗

Contourv1.33.3Networking & MessagingMar 23, 2026

ACTION 2CHECK 1OTHER 1View full analysis

A maintenance release with security-related dependency updates and removal of the hostPort setting from example manifests. It also documents compatibility testing with Kubernetes 1.32 through 1.34.

Action needed (2)

securitycriticalgoogle.golang.org/grpc v1.79.3 update
google.golang.org/grpc is updated to v1.79.3, which addresses CVE-2026-33186 and GHSA-p77j-4mvh-x3m3. Contour is not affected by this advisory.
securityEnvoy v1.35.9 update
The Envoy dependency is updated to v1.35.9 to address security vulnerabilities.

Check if affected (1)

breakingRemoval of hostPort: 8002 from example manifests
Applies if you use hostPort in example manifests.

Source ↗

Contourv1.32.4Networking & MessagingMar 23, 2026

ACTION 2CHECK 1OTHER 1View full analysis

A maintenance release with updated Envoy and gRPC dependencies, plus a change to the example manifests. It is tested against Kubernetes 1.31 through 1.33.

Action needed (2)

securitycriticalgoogle.golang.org/grpc updated to v1.79.3
google.golang.org/grpc is updated to v1.79.3, which addresses CVE-2026-33186 and GHSA-p77j-4mvh-x3m3. Contour is not affected.
securityEnvoy updated to v1.34.13
Envoy is updated to v1.34.13 to address security vulnerabilities and improve stability.

Check if affected (1)

breakinghostPort: 8002 removed from example manifests
Applies if hostPort: 8002 is configured in example manifests.

Source ↗

Contourv1.31.5Networking & MessagingMar 23, 2026

ACTION 2CHECK 1OTHER 1View full analysis

A maintenance release contains dependency security updates and an example-manifest cleanup. It also documents testing against Kubernetes 1.30 through 1.32.

Action needed (2)

securitycriticalgoogle.golang.org/grpc updated to v1.79.3 for CVE-2026-33186
The release updates google.golang.org/grpc to v1.79.3, which addresses CVE-2026-33186 and GHSA-p77j-4mvh-x3m3. Contour is not affected.
securityEnvoy updated to v1.34.13
The release bumps Envoy to v1.34.13.

Check if affected (1)

breakingEnvoy metrics hostPort: 8002 removed from example manifests
Applies if example manifests use hostPort: 8002.

Source ↗

Ciliumv1.19.2Networking & MessagingMar 23, 2026

CHECK 2OTHER 46View full analysis

A maintenance release with operator-relevant bug fixes, new configuration and diagnostic capabilities, and dependency and image updates. Two fixes address security-relevant exposure or policy bypass, and no deprecations or removals are announced.

Check if affected (2)

securityWorld-accessible Envoy admin socket
Applies if envoy runs.
securityIngress policy enforcement for local backends
Applies if you use ingress policies and local backends.

Source ↗

Ciliumv1.17.14Networking & MessagingMar 23, 2026

CHECK 1OTHER 21View full analysis

A maintenance release with bug fixes, dependency and image updates, improved bugtool output, and a GKE channel fix. The Envoy admin socket fix addresses its world-accessible creation.

Check if affected (1)

securityThe Envoy admin socket's accessibility
Applies if Envoy runs.

Source ↗

Strimzi0.45.2Networking & MessagingMar 12, 2026

ACTION 8CHECK 1PLAN 3OTHER 5View full analysis

A maintenance release that narrows Kubernetes support to version 1.25 and newer and marks several older Kafka and extension components for removal. It adds Kafka 3.9.2 support and includes dependency updates addressing multiple CVEs and a GHSA advisory.

Action needed (8)

securityhighGRPC Netty Shaded update for CVE-2025-55163
GRPC Netty Shaded was upgraded to remediate CVE-2025-55163.
securitymediumZookeeper update for CVE-2024-47554
The Zookeeper dependency was upgraded to remediate CVE-2024-47554.
securitymediumNimbus Jose JWT 10.0.2 update for CVE-2025-53864
Nimbus Jose JWT was upgraded to version 10.0.2 to remediate CVE-2025-53864.
securitymediumNetty 4.1.130.Final update for CVE-2025-67735
Netty was updated to version 4.1.130.Final to resolve CVE-2025-67735.
securitymediumApache Log4J 2.25.3 update for CVE-2025-68161
Apache Log4J was updated to version 2.25.3 to remediate CVE-2025-68161.
securitymediumVertx 4.5.24 update for CVE-2026-1002
Vertx was updated to version 4.5.24 to remediate CVE-2026-1002.
securitymediumJackson update for GHSA-72hv-8253-57qq
Jackson was updated to address GHSA-72hv-8253-57qq.
securityVert.x and Netty dependency updates
The Vert.x and Netty dependencies were bumped on the 0.45.x branch to fix CVEs.

Check if affected (1)

breakingKubernetes support narrowed to 1.25 and newer
Applies if you use Kubernetes 1.23 or Kubernetes 1.24.

Plan ahead (3)

breakingStrimzi MirrorMaker 2 Extensions deprecationdeprecated since 0.28.0 · removal planned in 0.46
Applies if you use the Strimzi MirrorMaker 2 Extensions.
breakingStrimzi EnvVar Configuration Provider inclusiondeprecated since 0.38.0 · removal planned in 0.46
Applies if you use the Strimzi EnvVar Configuration Provider.
deprecatedZooKeeper-based Kafka and MirrorMaker 1 supportremoval planned in 0.46
Applies if you use ZooKeeper-based Apache Kafka clusters or MirrorMaker 1 deployments.

Source ↗

Linkerdedge-26.3.2Networking & MessagingMar 12, 2026

CHECK 1OTHER 25View full analysis

This release narrows Linkerd Viz scraping behavior and adds the inbound_http_request_duration_seconds and inbound_grpc_request_duration_seconds metrics histograms. It also updates dependencies and ships proxy v2.342.0.

Check if affected (1)

breakingLinkerd Viz default scraping configuration
Applies if you use Linkerd Viz.

Source ↗

Envoyv1.37.1Networking & MessagingMar 11, 2026

ACTION 3CHECK 2OTHER 11View full analysis

A maintenance release with security fixes for crashes, header handling, JSON memory writes, and downstream reset processing. It also includes ordinary bug fixes, updates to published artifacts, and a dynamic-module compatibility change.

Action needed (3)

securitymediumCVE-2026-26310 and GHSA-3cw6-2j68-868p: scoped IPv6 crash fix in getAddressWithPort()
The network getAddressWithPort() path no longer crashes when called with a scoped IPv6 address. This release includes CVE-2026-26310 and GHSA-3cw6-2j68-868p.
securitymediumCVE-2026-26309 and GHSA-56cj-wgg3-x943: JSON null-terminator write fix
The JSON handling code fixes an off-by-one write that could corrupt the string null terminator. This release includes CVE-2026-26309 and GHSA-56cj-wgg3-x943.
securitymediumCVE-2026-26311 and GHSA-84xm-r438-86px: HTTP decode* blocking after downstream reset
HTTP decode* methods are blocked after a downstream reset. This release includes CVE-2026-26311 and GHSA-84xm-r438-86px.

Check if affected (2)

securityhighCVE-2026-26308 and GHSA-ghc4-35x6-crw5: multivalue header bypass fix in RBAC
Applies if you use the rbac subsystem.
securitymediumCVE-2026-26330 and GHSA-c23c-rp3m-vpg3: ratelimit response-phase limit crash fix
Applies if you use the ratelimit subsystem.

Source ↗

Envoyv1.36.5Networking & MessagingMar 11, 2026

ACTION 3CHECK 2OTHER 4View full analysis

A security-focused release with fixes spanning request handling, network address processing, JSON, and HTTP decoding. It also includes a bug fix plus dependency and image updates.

Action needed (3)

securitymediumCVE-2026-26310 scoped IPv6 address crash fix
Envoy fixes a crash in getAddressWithPort() when it is called with a scoped IPv6 address. The advisory is tracked as GHSA-3cw6-2j68-868p.
securitymediumCVE-2026-26309 json null terminator write fix
Envoy fixes an off-by-one write in json that could corrupt the string null terminator. The advisory is tracked as GHSA-56cj-wgg3-x943.
securitymediumCVE-2026-26311 HTTP decoder reset handling
Envoy blocks decode* methods after a downstream reset. The advisory is tracked as GHSA-84xm-r438-86px.

Check if affected (2)

securityhighCVE-2026-26308 rbac multivalue header bypass fix
Applies if you use rbac.
securitymediumCVE-2026-26330 ratelimit response phase limit crash fix
Applies if you use ratelimit.

Source ↗

Istio1.29.1Networking & MessagingMar 10, 2026

ACTION 1CHECK 10OTHER 9View full analysis

A maintenance release with multiple Envoy and Istio security fixes covering request handling, authorization, authentication, and plugin image fetching. It also includes ordinary correctness fixes and adds configuration for authorized namespaces on debug endpoints.

Action needed (1)

securitymediumCVE-2026-26309 JSON off-by-one write fix
CVE-2026-26309 fixes an off-by-one write in JSON handling.

Check if affected (10)

securityhighCVE-2026-26308 multivalue header bypass fix
Applies if you use RBAC.
securityhighCVE-2026-31837 and GHSA-v75c-crr9-733c JWKS resolver authentication fix
Applies if you use JWKS Resolver.
securitymediumCVE-2026-26311 HTTP decode method restriction
Applies if you use HTTP.
+ 7 more on the release page

Source ↗

Istio1.28.5Networking & MessagingMar 10, 2026

ACTION 7CHECK 3OTHER 2View full analysis

A security-focused maintenance release with fixes for disclosed Envoy and Istio vulnerabilities, including authentication, authorization, parsing, and crash defects. It also adds namespace authorization for debug endpoints and fixes lost InferencePool configurations during VirtualService merging.

Action needed (7)

securityhighCVE-2026-26308 multivalue header bypass fix in RBAC
CVE-2026-26308 fixes a multivalue header bypass in RBAC in Istio.
securityhighCVE-2026-31837 and GHSA-v75c-crr9-733c JWKS resolver authentication fix
CVE-2026-31837 and GHSA-v75c-crr9-733c fix a JWKS resolver failure that may allow authentication bypass using known default keys.
securitymediumCVE-2026-26311 HTTP decode method fix
CVE-2026-26311 blocks HTTP decode methods after a downstream reset in Istio.
securitymediumCVE-2026-26310 scoped IPv6 address crash fix
CVE-2026-26310 fixes a crash in getAddressWithPort() when processing a scoped IPv6 address in Istio.
securitymediumCVE-2026-26309 JSON off-by-one write fix
CVE-2026-26309 fixes a JSON off-by-one write in Istio.
securitymediumCVE-2026-26330 ratelimit response phase crash fix
CVE-2026-26330 fixes a crash in the ratelimit response phase in Istio.
securitymediumCVE-2026-31838 and GHSA-974c-2wxh-g4ww debug endpoint authorization fix
CVE-2026-31838 and GHSA-974c-2wxh-g4ww address cross-namespace proxy data access through debug endpoints.

Check if affected (3)

securityAuthentication for XDS debug endpoints on port 15010
Applies if you expose XDS debug endpoints.
securityBearer token realm URL validation for WasmPlugin image fetching
Applies if you use WasmPlugin image fetching.
securityNamespace-based authorization for HTTP debug endpoints on port 15014
Applies if you expose HTTP debug endpoints.

Source ↗

Istio1.27.8Networking & MessagingMar 10, 2026

ACTION 3CHECK 6OTHER 1View full analysis

A security-focused release with fixes across Envoy and Istio, including additional protections for debug endpoints, JWKS resolution, and WasmPlugin image fetching. The security fixes require an upgrade, while authorized namespace configuration for debug endpoints is optional.

Action needed (3)

securitymediumCVE-2026-26311 HTTP decode method correction
CVE-2026-26311 blocks HTTP decode methods after a downstream reset.
securitymediumCVE-2026-26310 scoped IPv6 address crash fix
CVE-2026-26310 fixes a crash in getAddressWithPort() when handling a scoped IPv6 address.
securitymediumCVE-2026-26309 JSON off-by-one write fix
CVE-2026-26309 fixes a JSON off-by-one write.

Check if affected (6)

securityhighCVE-2026-26308 multivalue header bypass fix
Applies if you use RBAC.
securityhighCVE-2026-31837 and GHSA-v75c-crr9-733c JWKS Resolver authentication fix
Applies if you use JWKS Resolver.
securitymediumCVE-2026-31838 and GHSA-974c-2wxh-g4ww debug endpoint access fix
Applies if you use Debug Endpoints.
+ 3 more on the release page

Source ↗

NATSv2.12.5Networking & MessagingMar 9, 2026

CHECK 3OTHER 65View full analysis

A maintenance release with fixes for two CVEs, many correctness issues, expanded JetStream configuration capabilities, and dependency updates. Operators of clustered deployments should review the documented regression affecting stream updates and the changed max_conns behavior.

Check if affected (3)

securityCVE-2026-29785 fix for leafnode compression
Applies if leafnode compression is enabled.
securityCVE-2026-27889 fix for WebSockets
Applies if WebSockets are enabled.
breakingThe max_conns server configuration value
Applies if you configure max_conns in the server configuration.

Source ↗

NATSv2.11.14Networking & MessagingMar 9, 2026

CHECK 2OTHER 7View full analysis

A maintenance release with two security fixes, a Go toolchain version change, and several WebSockets correctness fixes. The WebSockets changes cover compressed frame negotiation, protocol validation, connection upgrades, frame validation, compressor state, and empty compressed buffers.

Check if affected (2)

securityhighCVE-2026-29785 fix for leafnode compression
Applies if CVE-2026-29785 is present and leafnode compression is enabled.
securityhighCVE-2026-27889 fix for WebSockets
Applies if CVE-2026-27889 is present and WebSockets is enabled.

Source ↗

Strimzi0.51.0Networking & MessagingMar 6, 2026

ACTION 2CHECK 2PLAN 1OTHER 2View full analysis

A release with fixes for two disclosed security vulnerabilities, updated Kubernetes and Kafka support, and a changed feature-gate default. It also adds Kafka 4.2.0 support and per-listener Kafka options, while the ingress listener type is deprecated; CRD upgrades and a KafkaUser field migration are upgrade prerequisites.

Action needed (2)

securityhighCVE-2026-27133 and CVE-2026-27134 security fixes
Security fixes in Strimzi 0.50.1 and 0.51.0 address CVE-2026-27133 and CVE-2026-27134, with advisories GHSA-2qwx-rq6j-8r6j and GHSA-6x85-j2f7-4xc5.
breakingThe ServerSideApplyPhase1 feature gate default
The ServerSideApplyPhase1 feature gate moved to beta and is enabled by default.

Check if affected (2)

breakingKubernetes version support
Applies if you use Kubernetes 1.27, 1.28, or 1.29.
breakingKafka 4.0.0 and 4.0.1 support
Applies if you use Kafka 4.0.0 or 4.0.1.

Plan ahead (1)

deprecatedThe ingress listener type deprecation
Applies if you configure the ingress listener type.

Source ↗

Istio1.28.4Networking & MessagingFeb 16, 2026

ACTION 1CHECK 4OTHER 7View full analysis

A maintenance release focused on security fixes, validation, and authorization changes across Istio control-plane and endpoint handling. It also includes operator-facing capability changes and corrections for other defects.

Action needed (1)

securityhighCVE-2025-61732 cgo comment parsing flaw
This release fixes a discrepancy between Go and C/C++ comment parsing that allowed code smuggling into the resulting cgo binary.

Check if affected (4)

securitycriticalCVE-2025-68121 TLS session resumption validation
Applies if you use Config.Clone with mutations or Config.GetConfigForClient.
securityGateway deployment controller resource validation
Applies if the gateway deployment controller runs.
securityResource annotation validation against container injection
Applies if you configure resource annotations.
+ 1 more on the release page

Source ↗

Istio1.29.0Networking & MessagingFeb 16, 2026

ACTION 1CHECK 4OTHER 18View full analysis

This release adds operator-visible capabilities and changes several runtime defaults. Ambient mesh behavior, debug endpoint authorization, metrics compression, and istiod memory and circuit-breaker behavior receive particular attention.

Action needed (1)

breakingAutomatic GOMEMLIMIT setting for istiod
istiod now automatically sets GOMEMLIMIT to 90% of its memory limits through the automemlimit library. This reduces the risk of OOM kills while maintaining performance.

Check if affected (4)

breakingDefault iptables reconciliation
Applies when the istio-cni DaemonSet is upgraded.
breakingDefault debug endpoint authorization
Applies to debug endpoints on port 15014.
breakingDefault HTTP compression for Envoy metrics
Applies to Envoy metrics at the Prometheus stats endpoint based on client Accept-Header values.
+ 1 more on the release page

Source ↗

Istio1.27.6Networking & MessagingFeb 10, 2026

ACTION 1CHECK 2OTHER 2View full analysis

This release includes security safeguards for gateway resource creation and pod specification rendering, along with stricter authorization for debug endpoints. It also adds a Helm configuration field and corrects a TLS configuration mapping.

Action needed (1)

securityResource annotation validation
Resource annotation validation now rejects newline and control characters that could inject containers into pod specifications through template rendering.

Check if affected (2)

securityGateway deployment controller resource validation
Applies if the gateway deployment controller runs.
breakingNamespace-based authorization for debug endpoints
Applies if you use debug endpoints on port 15014.

Source ↗

Ciliumv1.19.0Networking & MessagingFeb 4, 2026

ACTION 15CHECK 30PLAN 7OTHER 436View full analysis

A substantial operator-facing feature and maintenance release with new DNS proxy, installation, configuration, API, metric, and datapath capabilities. It also changes defaults and compatibility requirements, removes deprecated interfaces, migrates BGP APIs, and updates security-related dependencies.

Action needed (15)

securityThe github.com/containerd/containerd dependency, updated
The github.com/containerd/containerd module is updated to v1.7.29.
securityThe github.com/go-viper/mapstructure/v2 dependency, updated
The github.com/go-viper/mapstructure/v2 module is updated to v2.4.0.
securityThe github.com/docker/docker dependency, updated
The github.com/docker/docker module is updated to v28.3.3+incompatible.
securityThe golang.org/x/crypto dependency, updated
The golang.org/x/crypto module is updated to v0.45.0.
securityThe helm.sh/helm/v3 dependency, updated to v3.18.4
The helm.sh/helm/v3 module is updated to v3.18.4.
securityThe helm.sh/helm/v3 dependency, updated to v3.18.5
The helm.sh/helm/v3 module is updated to v3.18.5.
breakingThe plpmtud default, set to blackhole
The default plpmtud mode is now blackhole (blackhole-detected).
breakingThe AddressScopeMax default, set to 254
The default AddressScopeMax is changed to 254, the host scope, for GKE metadata server and HCP use cases. The related setting is --local-max-addr-scope.
breakingThe tls authMode default, set to migration
tls authMode is set to migration by default.
breakingThe CNI deletion timeout, reduced to 1.5 seconds
The CNI deletion timeout is reduced to 1.5 seconds.
breakingThe policy-default-local-cluster default
policy-default-local-cluster is now set by default.
breakingHost firewall bypass, disabled by default
Host firewall bypass is disabled by default.
breakingFQDN match pattern sanitization
FQDN match pattern sanitization is refactored and tightened.
breakingEncrypted traffic forwarding via cilium_host, removed
Forwarding encrypted traffic via cilium_host has been removed.
breakingCNI configuration in the container image, removed
The CNI configuration is no longer installed in the container image.

Check if affected (30)

breakingLocal-cluster default for network policy selectors
Applies if you do not set cluster in network policy selectors.
breakingThe CiliumBGPPeeringPolicy v1 API, removed
Applies if you use CiliumBGPPeeringPolicy.
breakingMutual Authentication, disabled by default
Applies if you enable Mutual Authentication.
+ 27 more on the release page

Plan ahead (7)

deprecated--enable-ipsec-encrypted-overlay, deprecatedremoval date not announced
Applies if you use --enable-ipsec-encrypted-overlay.
deprecatedKafka match fields and ToRequires and FromRequires, deprecated
Applies if you use ToRequires or FromRequires.
deprecatedTLS certificate and key Helm values, deprecated
Applies if you pass TLS certificates or keys in Helm values.
+ 4 more on the release page

Source ↗

Strimzi0.50.0Networking & MessagingJan 18, 2026

CHECK 1OTHER 1View full analysis

Strimzi 0.50.0 includes Java 21 adoption for the operators, with compatibility exceptions for several modules. It also changes connector plugin version configuration, so existing settings that use the rejected option are affected.

Check if affected (1)

breakingThe connector.plugin.version option, forbidden in connector configurations
Applies if you use connector.plugin.version in KafkaConnect or KafkaMirrorMaker2 connector configuration.

Source ↗

Envoyv1.37.0Networking & MessagingJan 13, 2026

ACTION 1CHECK 2PLAN 1OTHER 30View full analysis

This release adds dynamic-module, filter, routing, observability, and certificate capabilities, along with fixes and performance improvements across HTTP, networking, and protocol handling. It also changes HTTP reset behavior, removes runtime guards and legacy code paths, and deprecates the OpenTelemetry access log common_config field.

Action needed (1)

breakingRuntime guards and legacy code paths removed
Multiple runtime guards and legacy code paths are removed in this release.

Check if affected (2)

breakingDefault HTTP reset code changed
Applicability is not stated in the release notes.
breakingDefault upstream protocol error reset handling changed
Applicability is not stated in the release notes.

Plan ahead (1)

deprecatedOpenTelemetry access log common_config field deprecated
Applies if you configure common_config.

Source ↗

CloudEvents[email protected]Networking & MessagingFeb 6, 2022

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This CloudEvents release updates protocol and binding behavior, including clarifications to headers, formats, and extensions. The header rename concerns integrations that use the Webhook header.

Check if affected (1)

breakingThe Webhook-Request-Origin header, renamed to Webhook-Allowed-Origin
Applies if you use Webhook headers in CloudEvents HTTP bindings.

Source ↗

← NewerApr 28, 2026 – Feb 6, 2022

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