diff --git a/testing/integration/k8s/k8s.go b/testing/integration/k8s/k8s.go
index d97a100767c..3adab732ab3 100644
--- a/testing/integration/k8s/k8s.go
+++ b/testing/integration/k8s/k8s.go
@@ -7,7 +7,7 @@ package k8s
 import "path/filepath"
 
 const (
-	KubeStackChartVersion         = "0.11.1"
+	KubeStackChartVersion         = "0.12.4"
 	KubeStackChartName            = "opentelemetry-kube-stack"
 	KubeStackChartNameWithVersion = KubeStackChartName + "-" + KubeStackChartVersion
 	KubeStackChartArchiveName     = KubeStackChartNameWithVersion + ".tgz"
diff --git a/testing/integration/k8s/testdata/opentelemetry-kube-stack/Chart.lock b/testing/integration/k8s/testdata/opentelemetry-kube-stack/Chart.lock
index 442301f9cdf..10155aacf3f 100644
--- a/testing/integration/k8s/testdata/opentelemetry-kube-stack/Chart.lock
+++ b/testing/integration/k8s/testdata/opentelemetry-kube-stack/Chart.lock
@@ -7,12 +7,12 @@ dependencies:
   version: 0.0.0
 - name: opentelemetry-operator
   repository: https://open-telemetry.github.io/opentelemetry-helm-charts
-  version: 0.97.1
+  version: 0.99.0
 - name: kube-state-metrics
   repository: https://prometheus-community.github.io/helm-charts
   version: 6.3.0
 - name: prometheus-node-exporter
   repository: https://prometheus-community.github.io/helm-charts
   version: 4.48.0
-digest: sha256:5eacf19a8cffc4f333b0e287fabbb387fc31d2b8315a77a918783b9906bd7e32
-generated: "2025-10-02T13:49:24.548948-06:00"
+digest: sha256:9c04376f480118910fe4bb39bd64f8b6cde8ade4b76fb43fcecc2bfcbee838b3
+generated: "2025-11-05T22:11:01.225203082+01:00"
diff --git a/testing/integration/k8s/testdata/opentelemetry-kube-stack/Chart.yaml b/testing/integration/k8s/testdata/opentelemetry-kube-stack/Chart.yaml
index 5f0dbea128b..9f2a2e2b157 100644
--- a/testing/integration/k8s/testdata/opentelemetry-kube-stack/Chart.yaml
+++ b/testing/integration/k8s/testdata/opentelemetry-kube-stack/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: 0.129.1
+appVersion: 0.138.0
 dependencies:
 - condition: crds.install,crds.installOtel
   name: otel-crds
@@ -12,7 +12,7 @@ dependencies:
 - condition: opentelemetry-operator.enabled
   name: opentelemetry-operator
   repository: https://open-telemetry.github.io/opentelemetry-helm-charts
-  version: 0.97.1
+  version: 0.99.0
 - condition: kubeStateMetrics.enabled
   name: kube-state-metrics
   repository: https://prometheus-community.github.io/helm-charts
@@ -34,4 +34,4 @@ name: opentelemetry-kube-stack
 sources:
 - https://github.com/open-telemetry/opentelemetry-operator
 type: application
-version: 0.11.1
+version: 0.12.4
diff --git a/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/Chart.yaml b/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/Chart.yaml
index a8f2c9d003e..f4894f28524 100644
--- a/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/Chart.yaml
+++ b/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: 0.136.0
+appVersion: 0.138.0
 description: OpenTelemetry Operator Helm chart for Kubernetes
 home: https://opentelemetry.io/
 icon: https://raw.githubusercontent.com/cncf/artwork/a718fa97fffec1b9fd14147682e9e3ac0c8817cb/projects/opentelemetry/icon/color/opentelemetry-icon-color.png
@@ -12,4 +12,4 @@ name: opentelemetry-operator
 sources:
 - https://github.com/open-telemetry/opentelemetry-operator
 type: application
-version: 0.97.1
+version: 0.99.0
diff --git a/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/ci/feature-gates-values.yaml b/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/ci/feature-gates-values.yaml
index b10a3779b13..82869b0c7a4 100644
--- a/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/ci/feature-gates-values.yaml
+++ b/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/ci/feature-gates-values.yaml
@@ -3,4 +3,3 @@ manager:
     repository: "otel/opentelemetry-collector-k8s"
   featureGatesMap:
     operator.targetallocator.mtls: true
-    operator.collector.targetallocatorcr: false
diff --git a/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/conf/crds/crd-opentelemetry.io_targetallocators.yaml b/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/conf/crds/crd-opentelemetry.io_targetallocators.yaml
index 129187e746b..2015827170b 100644
--- a/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/conf/crds/crd-opentelemetry.io_targetallocators.yaml
+++ b/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/conf/crds/crd-opentelemetry.io_targetallocators.yaml
@@ -1174,6 +1174,8 @@ spec:
                 default: 30s
                 format: duration
                 type: string
+              dnsPolicy:
+                type: string
               env:
                 items:
                   properties:
@@ -2244,6 +2246,8 @@ spec:
                       type: string
                     hostPort:
                       format: int32
+                      maximum: 65535
+                      minimum: 0
                       type: integer
                     name:
                       type: string
diff --git a/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/conf/crds/crd-opentelemetrycollector.yaml b/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/conf/crds/crd-opentelemetrycollector.yaml
index 1fe00b8758a..d1fa47c6448 100644
--- a/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/conf/crds/crd-opentelemetrycollector.yaml
+++ b/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/conf/crds/crd-opentelemetrycollector.yaml
@@ -5790,6 +5790,7 @@ spec:
                     type: object
                   maxReplicas:
                     format: int32
+                    minimum: 1
                     type: integer
                   metrics:
                     items:
@@ -5863,12 +5864,15 @@ spec:
                     type: array
                   minReplicas:
                     format: int32
+                    minimum: 1
                     type: integer
                   targetCPUUtilization:
                     format: int32
+                    minimum: 1
                     type: integer
                   targetMemoryUtilization:
                     format: int32
+                    minimum: 1
                     type: integer
                 type: object
               config:
@@ -5979,6 +5983,8 @@ spec:
                   type:
                     type: string
                 type: object
+              dnsPolicy:
+                type: string
               env:
                 items:
                   properties:
@@ -6933,21 +6939,27 @@ spec:
                 properties:
                   failureThreshold:
                     format: int32
+                    minimum: 1
                     type: integer
                   initialDelaySeconds:
                     format: int32
+                    minimum: 0
                     type: integer
                   periodSeconds:
                     format: int32
+                    minimum: 1
                     type: integer
                   successThreshold:
                     format: int32
+                    minimum: 1
                     type: integer
                   terminationGracePeriodSeconds:
                     format: int64
+                    minimum: 1
                     type: integer
                   timeoutSeconds:
                     format: int32
+                    minimum: 1
                     type: integer
                 type: object
               managementState:
@@ -7119,6 +7131,8 @@ spec:
                       type: string
                     hostPort:
                       format: int32
+                      maximum: 65535
+                      minimum: 0
                       type: integer
                     name:
                       type: string
@@ -7147,21 +7161,27 @@ spec:
                 properties:
                   failureThreshold:
                     format: int32
+                    minimum: 1
                     type: integer
                   initialDelaySeconds:
                     format: int32
+                    minimum: 0
                     type: integer
                   periodSeconds:
                     format: int32
+                    minimum: 1
                     type: integer
                   successThreshold:
                     format: int32
+                    minimum: 1
                     type: integer
                   terminationGracePeriodSeconds:
                     format: int64
+                    minimum: 1
                     type: integer
                   timeoutSeconds:
                     format: int32
+                    minimum: 1
                     type: integer
                 type: object
               replicas:
@@ -7279,6 +7299,33 @@ spec:
                 type: string
               shareProcessNamespace:
                 type: boolean
+              startupProbe:
+                properties:
+                  failureThreshold:
+                    format: int32
+                    minimum: 1
+                    type: integer
+                  initialDelaySeconds:
+                    format: int32
+                    minimum: 0
+                    type: integer
+                  periodSeconds:
+                    format: int32
+                    minimum: 1
+                    type: integer
+                  successThreshold:
+                    format: int32
+                    minimum: 1
+                    type: integer
+                  terminationGracePeriodSeconds:
+                    format: int64
+                    minimum: 1
+                    type: integer
+                  timeoutSeconds:
+                    format: int32
+                    minimum: 1
+                    type: integer
+                type: object
               targetAllocator:
                 properties:
                   affinity:
diff --git a/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/values.yaml b/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/values.yaml
index 59bb858c062..2c674b47863 100644
--- a/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/values.yaml
+++ b/testing/integration/k8s/testdata/opentelemetry-kube-stack/charts/opentelemetry-operator/values.yaml
@@ -50,7 +50,7 @@ manager:
     imagePullPolicy: IfNotPresent
   collectorImage:
     repository: ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-k8s
-    tag: 0.136.0
+    tag: 0.138.0
   opampBridgeImage:
     repository: ""
     tag: ""
diff --git a/testing/integration/k8s/testdata/opentelemetry-kube-stack/templates/_config.tpl b/testing/integration/k8s/testdata/opentelemetry-kube-stack/templates/_config.tpl
index 241de30c44f..1573462f997 100644
--- a/testing/integration/k8s/testdata/opentelemetry-kube-stack/templates/_config.tpl
+++ b/testing/integration/k8s/testdata/opentelemetry-kube-stack/templates/_config.tpl
@@ -172,12 +172,20 @@ receivers:
         cpu:
           metrics:
             system.cpu.utilization:
-                enabled: true
+              enabled: true
+            system.cpu.logical.count:
+              enabled: true
         load: {}
         memory:
           metrics:
             system.memory.utilization:
-                enabled: true
+              enabled: true
+            system.memory.limit:
+              enabled: true
+        paging:
+          metrics:
+            system.paging.usage:
+              enabled: true
         disk: {}
         filesystem:
           metrics:
@@ -220,6 +228,10 @@ receivers:
               - tracefs
             match_type: strict
         network: {}
+        system:
+          metrics:
+            system.uptime:
+              enabled: true
 {{- end }}
 
 {{- define "opentelemetry-kube-stack.collector.applyClusterMetricsConfig" -}}
@@ -227,13 +239,16 @@ receivers:
 {{- $config := mustMergeOverwrite (include "opentelemetry-kube-stack.collector.clusterMetricsConfig" (dict "collector" .collector "namespace" .namespace "electorName" $electorName) | fromYaml) .collector.config }}
 {{- if and (dig "service" "pipelines" "metrics" false $config) (not (has "k8s_cluster" (dig "service" "pipelines" "metrics" "receivers" list $config))) }}
 {{- $_ := set $config.service.pipelines.metrics "receivers" (append ($config.service.pipelines.metrics.receivers | default list) "k8s_cluster" | uniq)  }}
+{{- $disableLeaderElection := .collector.presets.clusterMetrics.disableLeaderElection }}
+{{- if not $disableLeaderElection }}
 {{- $_ := set $config.service "extensions" (append ($config.service.extensions | default list) (printf "k8s_leader_elector/%s" $electorName) | uniq)  }}
 {{- end }}
+{{- end }}
 {{- $config | toYaml }}
 {{- end }}
 
 {{- define "opentelemetry-kube-stack.collector.clusterMetricsConfig" -}}
-{{- $disableLeaderElection := .collector.presets.kubernetesEvents.disableLeaderElection}}
+{{- $disableLeaderElection := .collector.presets.clusterMetrics.disableLeaderElection}}
 {{- if not $disableLeaderElection}}
 {{- include "opentelemetry-kube-stack.collector.leaderElectionConfig" (dict "name" .electorName "leaseName" "k8s.cluster.receiver.opentelemetry.io" "leaseNamespace" .namespace)}}
 {{- end}}
@@ -336,8 +351,11 @@ receivers:
 {{- $config := mustMergeOverwrite (include "opentelemetry-kube-stack.collector.kubernetesEventsConfig" (dict "collector" .collector "namespace" .namespace "electorName" $electorName) | fromYaml) .collector.config }}
 {{- if and (dig "service" "pipelines" "logs" false $config) (not (has "k8sobjects" (dig "service" "pipelines" "logs" "receivers" list $config))) }}
 {{- $_ := set $config.service.pipelines.logs "receivers" (append ($config.service.pipelines.logs.receivers | default list) "k8sobjects" | uniq)  }}
+{{- $disableLeaderElection := .collector.presets.kubernetesEvents.disableLeaderElection }}
+{{- if not $disableLeaderElection }}
 {{- $_ := set $config.service "extensions" (append ($config.service.extensions | default list) (printf "k8s_leader_elector/%s" $electorName) | uniq)  }}
 {{- end }}
+{{- end }}
 {{- $config | toYaml }}
 {{- end }}
 
diff --git a/testing/integration/k8s/testdata/opentelemetry-kube-stack/templates/instrumentation.yaml b/testing/integration/k8s/testdata/opentelemetry-kube-stack/templates/instrumentation.yaml
index 4bb25662083..1bd4ddc19fa 100644
--- a/testing/integration/k8s/testdata/opentelemetry-kube-stack/templates/instrumentation.yaml
+++ b/testing/integration/k8s/testdata/opentelemetry-kube-stack/templates/instrumentation.yaml
@@ -20,8 +20,11 @@ spec:
   sampler:
     {{- toYaml . | nindent 4 }}
   {{- end }}
+  {{- $envOutput := include "opentelemetry-kube-stack.renderenvs" (dict "extraEnvs" $.Values.extraEnvs "env" .Values.instrumentation.env) | trim -}}
+  {{- if $envOutput }}
   env:
-  {{- include "opentelemetry-kube-stack.renderenvs" (dict "extraEnvs" $.Values.extraEnvs "env" .Values.instrumentation.env) | indent 4 }}
+    {{- $envOutput | nindent 4 }}
+  {{- end }}
   {{- with .Values.instrumentation.resource }}
   resource:
     {{- toYaml . | nindent 4 }}
diff --git a/testing/integration/k8s/testdata/opentelemetry-kube-stack/values.yaml b/testing/integration/k8s/testdata/opentelemetry-kube-stack/values.yaml
index 5c2d4c970c5..9c626b79ce3 100644
--- a/testing/integration/k8s/testdata/opentelemetry-kube-stack/values.yaml
+++ b/testing/integration/k8s/testdata/opentelemetry-kube-stack/values.yaml
@@ -1657,14 +1657,15 @@ nodeExporter:
 prometheus-node-exporter:
   namespaceOverride: ""
   podLabels:
-    ## Add the 'node-exporter' label to be used by serviceMonitor to match standard common usage in rules and grafana dashboards
-    ##
     jobLabel: node-exporter
   releaseLabel: true
   extraArgs:
     - --collector.filesystem.mount-points-exclude=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/.+)($|/)
     - --collector.filesystem.fs-types-exclude=^(autofs|binfmt_misc|bpf|cgroup2?|configfs|debugfs|devpts|devtmpfs|fusectl|hugetlbfs|iso9660|mqueue|nsfs|overlay|proc|procfs|pstore|rpc_pipefs|securityfs|selinuxfs|squashfs|sysfs|tracefs)$
   service:
+    ## Add the 'node-exporter' label to be used by serviceMonitor to match standard common usage in rules and grafana dashboards
+    labels:
+      jobLabel: node-exporter
     portName: http-metrics
   prometheus:
     monitor: