[main] Upgrade to latest dependencies

go.mod

@@ -13,10 +13,10 @@ require (
 	k8s.io/api v0.35.4
 	k8s.io/apimachinery v0.35.4
 	k8s.io/client-go v0.35.4
-	knative.dev/client/pkg v0.0.0-20260429013708-479f2162b627
+	knative.dev/client/pkg v0.0.0-20260512023952-81e768d183a2
 	knative.dev/hack v0.0.0-20260428014158-b2a37f1b6e7b
 	knative.dev/networking v0.0.0-20260506015723-9b427f7c8091
-	knative.dev/serving v0.49.1-0.20260504070613-3d28fb878e74
+	knative.dev/serving v0.49.1-0.20260512221929-dbaab46874d2
 )
 
 require (
@@ -104,8 +104,8 @@ require (
 	k8s.io/klog/v2 v2.130.1 // indirect
 	k8s.io/kube-openapi v0.0.0-20250910181357-589584f1c912 // indirect
 	k8s.io/utils v0.0.0-20251002143259-bc988d571ff4 // indirect
-	knative.dev/eventing v0.49.0 // indirect
-	knative.dev/pkg v0.0.0-20260505204821-021ad709ec68 // indirect
+	knative.dev/eventing v0.49.1-0.20260511150731-43e651f7940a // indirect
+	knative.dev/pkg v0.0.0-20260507212125-df317a52d112 // indirect
 	sigs.k8s.io/gateway-api v1.1.0 // indirect
 	sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect
 	sigs.k8s.io/kustomize/api v0.20.1 // indirect

go.sum

@@ -303,18 +303,18 @@ k8s.io/kube-openapi v0.0.0-20250910181357-589584f1c912 h1:Y3gxNAuB0OBLImH611+UDZ
 k8s.io/kube-openapi v0.0.0-20250910181357-589584f1c912/go.mod h1:kdmbQkyfwUagLfXIad1y2TdrjPFWp2Q89B3qkRwf/pQ=
 k8s.io/utils v0.0.0-20251002143259-bc988d571ff4 h1:SjGebBtkBqHFOli+05xYbK8YF1Dzkbzn+gDM4X9T4Ck=
 k8s.io/utils v0.0.0-20251002143259-bc988d571ff4/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
-knative.dev/client/pkg v0.0.0-20260429013708-479f2162b627 h1:8baqKVjdV9HSVN5QZmTnE7pJgLJVqeSp/vgxQNABQf4=
-knative.dev/client/pkg v0.0.0-20260429013708-479f2162b627/go.mod h1:GrVjnB3hEfpNJ0LZte0tf1wMNhMjs0S8LI+ywMQMmtk=
-knative.dev/eventing v0.49.0 h1:Gole9D1AXnZVBCzoqO00/5n8MApy8rRJpTHYXvUFfQc=
-knative.dev/eventing v0.49.0/go.mod h1:5lsUu0xHPLQpfVW7kmYXB7uRCUOnGGPsE87rx3hrRsM=
+knative.dev/client/pkg v0.0.0-20260512023952-81e768d183a2 h1:LT4n99lft44+51dX+V3a272ePEpIa8Ig0bKVEN87BgY=
+knative.dev/client/pkg v0.0.0-20260512023952-81e768d183a2/go.mod h1:V/Vqv4RzRcalY6F6PB+bQ56ePe64kmR49NzUNta17+w=
+knative.dev/eventing v0.49.1-0.20260511150731-43e651f7940a h1:Iq198f0CCOm+gIArlRzxyw+Ini/izupUjBjqyZy6GoM=
+knative.dev/eventing v0.49.1-0.20260511150731-43e651f7940a/go.mod h1:rqixbt+It0fwbQQuPjVDAEiLi12KnLG3Bmul3T5IHAM=
 knative.dev/hack v0.0.0-20260428014158-b2a37f1b6e7b h1:MvbV2F2BdI8qKrYYUhDwbUZbX0BAYRSIpXM2TOtTvs0=
 knative.dev/hack v0.0.0-20260428014158-b2a37f1b6e7b/go.mod h1:L5RzHgbvam0u8QFHfzCX6MKxu/a/gIGEdaRBqNiVbl0=
 knative.dev/networking v0.0.0-20260506015723-9b427f7c8091 h1:Fg091hEPQvqKQYBO7hQ20yID1wFbD4hIDz552mI4L14=
 knative.dev/networking v0.0.0-20260506015723-9b427f7c8091/go.mod h1:1+QQXuA6k0gzGJ/Lpp+mZQebDXEfybMu3q+C8a1g54Q=
-knative.dev/pkg v0.0.0-20260505204821-021ad709ec68 h1:cZz3AkOusfsFBJCOKiCiadBbHjbEiqlsu/55gzRhPZM=
-knative.dev/pkg v0.0.0-20260505204821-021ad709ec68/go.mod h1:JM+8ds+MTBtPK2aCp6pGUHQx9gNIL8wuMhqr0sxtDog=
-knative.dev/serving v0.49.1-0.20260504070613-3d28fb878e74 h1:rt3Hguyh3lWD1U9p7k1LWl9V9L2egRAnAZf4d0wJkdU=
-knative.dev/serving v0.49.1-0.20260504070613-3d28fb878e74/go.mod h1:KXvVnXohxsbE3rCRbr1TZlxeC20qIzhVckDwbsgLWPI=
+knative.dev/pkg v0.0.0-20260507212125-df317a52d112 h1:ftdGpzukmrlcTRTCZytQQ+mAMUAFqcq/cwIUwc/Lk2s=
+knative.dev/pkg v0.0.0-20260507212125-df317a52d112/go.mod h1:JM+8ds+MTBtPK2aCp6pGUHQx9gNIL8wuMhqr0sxtDog=
+knative.dev/serving v0.49.1-0.20260512221929-dbaab46874d2 h1:8zqDL3WhXBqAvePlBnYZDGj5lXS19JnVca3gu+A17j4=
+knative.dev/serving v0.49.1-0.20260512221929-dbaab46874d2/go.mod h1:3hXF5IUiZow3USDS0rA5UQeZCP30OwuDalcQS96XmFQ=
 sigs.k8s.io/gateway-api v1.1.0 h1:DsLDXCi6jR+Xz8/xd0Z1PYl2Pn0TyaFMOPPZIj4inDM=
 sigs.k8s.io/gateway-api v1.1.0/go.mod h1:ZH4lHrL2sDi0FHZ9jjneb8kKnGzFWyrTya35sWUTrRs=
 sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 h1:IpInykpT6ceI+QxKBbEflcR5EXP7sU1kvOlxwZh5txg=

vendor/knative.dev/serving/pkg/apis/config/features.go

@@ -76,6 +76,7 @@ const (
 	FeaturePodSpecShareProcessNamespace     = "kubernetes.podspec-shareprocessnamespace"
 	FeaturePodSpecTolerations               = "kubernetes.podspec-tolerations"
 	FeaturePodSpecTopologySpreadConstraints = "kubernetes.podspec-topologyspreadconstraints"
+	FeaturePodSpecVolumesEphemeral          = "kubernetes.podspec-volumes-ephemeral"
 	FeaturePodSpecVolumesImage              = "kubernetes.podspec-volumes-image"
 )
 
@@ -102,6 +103,7 @@ func defaultFeaturesConfig() *Features {
 		PodSpecVolumesHostPath:           Disabled,
 		PodSpecVolumesMountPropagation:   Disabled,
 		PodSpecVolumesCSI:                Disabled,
+		PodSpecVolumesEphemeral:          Disabled,
 		PodSpecVolumesImage:              Disabled,
 		PodSpecPersistentVolumeClaim:     Disabled,
 		PodSpecPersistentVolumeWrite:     Disabled,
@@ -141,6 +143,7 @@ func NewFeaturesConfigFromMap(data map[string]string) (*Features, error) {
 		asFlag(FeaturePodSpecHostPID, &nc.PodSpecHostPID),
 		asFlag(FeaturePodSpecHostPath, &nc.PodSpecVolumesHostPath),
 		asFlag(FeaturePodSpecVolumesCSI, &nc.PodSpecVolumesCSI),
+		asFlag(FeaturePodSpecVolumesEphemeral, &nc.PodSpecVolumesEphemeral),
 		asFlag(FeaturePodSpecVolumesImage, &nc.PodSpecVolumesImage),
 		asFlag(FeaturePodSpecInitContainers, &nc.PodSpecInitContainers),
 		asFlag(FeaturePodSpecVolumesMountPropagation, &nc.PodSpecVolumesMountPropagation),
@@ -187,6 +190,7 @@ type Features struct {
 	PodSpecVolumesHostPath           Flag
 	PodSpecVolumesMountPropagation   Flag
 	PodSpecVolumesCSI                Flag
+	PodSpecVolumesEphemeral          Flag
 	PodSpecVolumesImage              Flag
 	PodSpecInitContainers            Flag
 	PodSpecPersistentVolumeClaim     Flag

vendor/knative.dev/serving/pkg/apis/serving/fieldmask.go

@@ -76,6 +76,10 @@ func VolumeSourceMask(ctx context.Context, in *corev1.VolumeSource) *corev1.Volu
 		out.CSI = in.CSI
 	}
 
+	if cfg.Features.PodSpecVolumesEphemeral != config.Disabled {
+		out.Ephemeral = in.Ephemeral
+	}
+
 	if cfg.Features.PodSpecVolumesImage != config.Disabled {
 		out.Image = in.Image
 	}

vendor/knative.dev/serving/pkg/apis/serving/k8s_validation.go

@@ -138,6 +138,10 @@ func validateVolume(ctx context.Context, volume corev1.Volume) *apis.FieldError
 		errs = errs.Also(&apis.FieldError{Message: fmt.Sprintf("CSI volume support is disabled, "+
 			"but found CSI volume %s", volume.Name)})
 	}
+	if volume.Ephemeral != nil && features.PodSpecVolumesEphemeral != config.Enabled {
+		errs = errs.Also(&apis.FieldError{Message: fmt.Sprintf("Ephemeral volume support is disabled, "+
+			"but found Ephemeral volume %s", volume.Name)})
+	}
 	errs = errs.Also(apis.CheckDisallowedFields(volume, *VolumeMask(ctx, &volume)))
 	if volume.Name == "" {
 		errs = apis.ErrMissingField("name")
@@ -182,6 +186,10 @@ func validateVolume(ctx context.Context, volume corev1.Volume) *apis.FieldError
 		specified = append(specified, "csi")
 	}
 
+	if vs.Ephemeral != nil {
+		specified = append(specified, "ephemeral")
+	}
+
 	if vs.Image != nil {
 		specified = append(specified, "image")
 		errs = errs.Also(validateImageVolumeSource(vs.Image).ViaField("image"))
@@ -202,6 +210,9 @@ func validateVolume(ctx context.Context, volume corev1.Volume) *apis.FieldError
 		if cfg.Features.PodSpecVolumesCSI == config.Enabled {
 			fieldPaths = append(fieldPaths, "csi")
 		}
+		if cfg.Features.PodSpecVolumesEphemeral == config.Enabled {
+			fieldPaths = append(fieldPaths, "ephemeral")
+		}
 		if cfg.Features.PodSpecVolumesImage == config.Enabled {
 			fieldPaths = append(fieldPaths, "image")
 		}
@@ -545,11 +556,17 @@ func validateSidecarContainer(ctx context.Context, container corev1.Container, v
 			errs = errs.Also(apis.CheckDisallowedFields(*container.ReadinessProbe,
 				*ProbeMask(&corev1.Probe{})).ViaField("readinessProbe"))
 		}
+		if container.StartupProbe != nil {
+			errs = errs.Also(apis.CheckDisallowedFields(*container.StartupProbe,
+				*ProbeMask(&corev1.Probe{})).ViaField("startupProbe"))
+		}
 	} else if cfg.Features.MultiContainerProbing == config.Enabled {
 		// Liveness Probes
 		errs = errs.Also(validateProbe(container.LivenessProbe, nil, false).ViaField("livenessProbe"))
 		// Readiness Probes
 		errs = errs.Also(validateReadinessProbe(container.ReadinessProbe, nil, false).ViaField("readinessProbe"))
+		// Startup Probes
+		errs = errs.Also(validateProbe(container.StartupProbe, nil, false).ViaField("startupProbe"))
 	}
 
 	return errs.Also(validate(ctx, container, volumes))
@@ -591,6 +608,8 @@ func ValidateUserContainer(ctx context.Context, container corev1.Container, volu
 	errs = errs.Also(validateProbe(container.LivenessProbe, &port, true).ViaField("livenessProbe"))
 	// Readiness Probes
 	errs = errs.Also(validateReadinessProbe(container.ReadinessProbe, &port, true).ViaField("readinessProbe"))
+	// Startup Probes
+	errs = errs.Also(validateProbe(container.StartupProbe, &port, true).ViaField("startupProbe"))
 	return errs.Also(validate(ctx, container, volumes))
 }
 
@@ -717,7 +736,7 @@ func validateVolumeMounts(ctx context.Context, mounts []corev1.VolumeMount, volu
 		}
 		seenMountPath.Insert(path.Clean(vm.MountPath))
 
-		shouldCheckReadOnlyVolume := volumes[vm.Name].EmptyDir == nil && volumes[vm.Name].PersistentVolumeClaim == nil
+		shouldCheckReadOnlyVolume := volumes[vm.Name].EmptyDir == nil && volumes[vm.Name].PersistentVolumeClaim == nil && volumes[vm.Name].Ephemeral == nil
 		if shouldCheckReadOnlyVolume && !vm.ReadOnly {
 			errs = errs.Also((&apis.FieldError{
 				Message: "volume mount should be readOnly for this type of volume",

vendor/knative.dev/serving/pkg/apis/serving/v1/revision_defaults.go

@@ -145,7 +145,7 @@ func (rs *RevisionSpec) applyDefault(ctx context.Context, container *corev1.Cont
 
 	vNames := make(sets.Set[string])
 	for _, v := range rs.PodSpec.Volumes {
-		if v.EmptyDir != nil || v.PersistentVolumeClaim != nil {
+		if v.EmptyDir != nil || v.PersistentVolumeClaim != nil || v.Ephemeral != nil {
 			vNames.Insert(v.Name)
 		}
 	}

vendor/modules.txt

@@ -926,7 +926,7 @@ k8s.io/utils/net
 k8s.io/utils/pointer
 k8s.io/utils/ptr
 k8s.io/utils/trace
-# knative.dev/client/pkg v0.0.0-20260429013708-479f2162b627
+# knative.dev/client/pkg v0.0.0-20260512023952-81e768d183a2
 ## explicit; go 1.25.0
 knative.dev/client/pkg/apis/client
 knative.dev/client/pkg/apis/client/v1alpha1
@@ -953,7 +953,7 @@ knative.dev/client/pkg/util/errors
 knative.dev/client/pkg/util/mock
 knative.dev/client/pkg/util/test
 knative.dev/client/pkg/wait
-# knative.dev/eventing v0.49.0
+# knative.dev/eventing v0.49.1-0.20260511150731-43e651f7940a
 ## explicit; go 1.25.0
 knative.dev/eventing/pkg/apis/common/integration/v1alpha1
 knative.dev/eventing/pkg/apis/config
@@ -1001,7 +1001,7 @@ knative.dev/networking/pkg/client/clientset/versioned/typed/networking/v1alpha1/
 knative.dev/networking/pkg/config
 knative.dev/networking/pkg/http/header
 knative.dev/networking/pkg/ingress
-# knative.dev/pkg v0.0.0-20260505204821-021ad709ec68
+# knative.dev/pkg v0.0.0-20260507212125-df317a52d112
 ## explicit; go 1.25.0
 knative.dev/pkg/apis
 knative.dev/pkg/apis/duck
@@ -1045,7 +1045,7 @@ knative.dev/pkg/test/ingress
 knative.dev/pkg/test/logging
 knative.dev/pkg/test/spoof
 knative.dev/pkg/tracker
-# knative.dev/serving v0.49.1-0.20260504070613-3d28fb878e74
+# knative.dev/serving v0.49.1-0.20260512221929-dbaab46874d2
 ## explicit; go 1.25.0
 knative.dev/serving/pkg/apis/autoscaling
 knative.dev/serving/pkg/apis/autoscaling/v1alpha1