• [ENHANCEMENT] Add hostNetwork field to the Alertmanager CRD. #8281
• [ENHANCEMENT] Add the crds and full-crds commands to the operator's binary. #8251
• [ENHANCEMENT] Report deprecated field usage in the Reconciled condition type. #8236
• [ENHANCEMENT] Avoid unnecessary reconciliation upon creation of the ThanosRuler StatefulSet. #8347
• [ENHANCEMENT] Add bodySizeLimit to the ScrapeConfig CRD. #8348
• [ENHANCEMENT] Support http_headers field in the Alertmanager Secret. #8357
• [ENHANCEMENT] Add the -kubelet-http-metrics flag to enable/disable the HTTP metrics port in the Kubelet endpoint (default=enabled). #8350
• [ENHANCEMENT] Include operator.prometheus.io/version annotation in the full version of CRDs. #8279
• [BUGFIX] Validate VictorOps global configuration in the Alertmanager CRD. #8020
• [BUGFIX] Validate Jira global configuration in the Alertmanager CRD. #8265
• [BUGFIX] Validate VictorOps receiver's URL in the AlertmanagerConfig CRD. #8258
• [BUGFIX] Validate Webex receiver's URL in the AlertmanagerConfig CRD. #8255
• [BUGFIX] Validate Jira receiver's URL configuration in the AlertmanagerConfig CRD. #8230
• [BUGFIX] Validate OpsGenie receiver configuration in the AlertmanagerConfig CRD. #8267
• [BUGFIX] Validate WeChat receiver configuration in the AlertmanagerConfig CRD. #8271
• [BUGFIX] Validate SNS receiver configuration in the AlertmanagerConfig CRD. #8217
• [BUGFIX] Validate Webex global configuration in the Alertmanager CRD. #7979
• [BUGFIX] Validate Telegram global configuration in the Alertmanager CRD. #8268
• [BUGFIX] Restore statefulset's labels if the creation fails with AlreadyExists. #8343
• [BUGFIX] Fix potential panic due to informer cache races. #8310
• [BUGFIX] Support probers defined with IPv6 addresses in the Probe CRD. #8354
• [BUGFIX] Prevent group and repeat intervals with zero duration from breaking Alertmanager. #8126
• [BUGFIX] Propagate all supported RocketChat attributes for AlertmanagerConfig CRD. #8016
• [BUGFIX] Add URL validation for WeChat receiver. #8256
• [BUGFIX] Add URL validation for SNS receiver. #8259
• [BUGFIX] Fix GCE service discovery for the ScrapeConfig CRD. #8284
• [BUGFIX] Avoid stale conditions in Alertmanager, ThanosRuler, Prometheus and PrometheusAgent resources. #8304
• [BUGFIX] Fix race condition when updating rule ConfigMaps. #8290
• [BUGFIX] Fix race condition when patching finalizers. #8323
• [BUGFIX] Reconcile ScrapeConfig resources when namespace selection changes. #8334

• [BUGFIX] Validate webhookURL secret for MSTeams receiver in AlertmanagerConfig CRD. #8294
• [BUGFIX] Revert maximum version check for EC2/Lightsail SD in ScrapeConfig CRD. #8308
• [BUGFIX] Relax URL validation in Slack receiver in AlertmanagerConfig CRD to support Go templates. #8299 #8331
• [BUGFIX] Relax URL validation in PagerDuty in AlertmanagerConfig CRD to support Go templates. #8319
• [BUGFIX] Relax URL validation in WebhookConfig in AlertmanagerConfig CRD to support Go templates. #8307 #8317
• [BUGFIX] Relax URL validation in RocketChat receiver in AlertmanagerConfig CRD to support Go templates. #8318
• [BUGFIX] Relax URL validation in Pushover receiver in AlertmanagerConfig CRD to support Go templates. #8307 #8316

• [CHANGE] Use narrower selectors for StatefulSet informers in Alertmanager and ThanosRuler controllers. It is recommended to upgrade from v0.85.0 (at least). #8246
• [CHANGE] Reject EC2/Lightsail SD for Prometheus >= 3.8.0 in ScrapeConfig CRD. #8175
• [FEATURE] Add podManagementPolicy field to Prometheus, PrometheusAgent, Alertmanager and ThanosRuler CRDs. #8119
• [FEATURE] Add updateStrategy field to Prometheus, PrometheusAgent, Alertmanager and ThanosRuler CRDs. #8202
• [FEATURE] Add scrapeNativeHistograms field to Prometheus, PrometheusAgent, ServiceMonitor, PodMonitor, Probe and ScrapeConfig CRDs. #8102
• [FEATURE] Add scope field to AzureAD remote write configuration. #8240
• [FEATURE] Add workloadIdentity field to AzureAD remote write configuration. #7998
• [FEATURE] Add support for PrometheusRule fields groupLabels and queryOffset in ThanosRuler. #8137
• [FEATURE] Add slackAppToken and slackAppUrl fields to Alertmanager global config for Slack App support. #8238
• [FEATURE] Add incident.io receiver support to Alertmanager config secret. #8190 #8245 #8228
• [FEATURE] Add Mattermost receiver support to Alertmanager config secret. #8188
• [FEATURE] Add apiType field to Jira receiver in Alertmanager config secret. #8218
• [FEATURE] Add timeout field to PagerDuty receiver in AlertmanagerConfig CRD. #8162
• [FEATURE] Add timeout field to Slack receiver in AlertmanagerConfig CRD. #8161
• [ENHANCEMENT] Use minReadySeconds to set --dispatch.start-delay in Alertmanager. #8177 #8201
• [ENHANCEMENT] Expose native histograms in operator metrics. #8194
• [ENHANCEMENT] Add NoSelectedResources reason to status conditions. #8124
• [ENHANCEMENT] Add enableHttp2 and followRedirects fields to HTTP configuration for Probe CRD. #8112
• [ENHANCEMENT] Add CEL validations for DaemonSet mode in PrometheusAgent CRD (requires the PrometheusAgentDaemonSetFeature featuregate). #7881
• [ENHANCEMENT] Improve validation for Pushover, PagerDuty and VictorOps receivers in AlertmanagerConfig CRD. #8239 #8113 #8220
• [ENHANCEMENT] Add apiURL validation for WeChat, OpsGenie and Telegram receivers in AlertmanagerConfig CRD. #8196 #8206 #8199
• [ENHANCEMENT] Validate URL fields in AlertmanagerConfig receivers (MSTeams, Webhook). #8231 #8125
• [ENHANCEMENT] Validate URL fields in Alertmanager configuration secret (WeChat, Telegram, Pushover receivers). #7977 #8233 #8232

New Contributors

• @MichalTomczakSE made their first contribution in #8144
• @kartikangiras made their first contribution in #8098
• @varundeepsaini made their first contribution in #8207
• @tomlin7 made their first contribution in #8209
• @fluktuid made their first contribution in #8248

• [BUGFIX] Fix the generated Alertmanager configuration for html and monospace fields of pushoverConfig receiver in AlertmanagerConfig CRD. #8153

• [FEATURE] Add status subresource for PrometheusRule custom resources (requires the StatusForConfigurationResources feature gate). #8069 #8086 #8024 #8005
• [ENHANCEMENT] Avoid statefulset's rollout due to changes in the number of rule configmaps for Prometheus and ThanosRuler. #8010
• [ENHANCEMENT] Support Azure system-assigned managed identities for remote-write configuration. #7815
• [ENHANCEMENT] Add monospace field to to pushoverConfig receiver in AlertmanagerConfig CRD. #8018
• [BUGFIX] Propagate Certificate Authority updates for HTTP configuration in Alertmanager's global configuration. #8089

• [CHANGE/BUGFIX] Fix operator's permissions to emit Kubernetes events. #8077

• [BUGFIX] Fix formatting of Kubernetes events. #8015

• [CHANGE] Remove automatic addition of the metadata-wal-records feature flag for Prometheus versions >= 3.4. #7893
• [CHANGE] Add miscellaneous validations to the ScrapeConfig CRD. #7856 #7823 #7835 #7838 #7838 ##7966
• [CHANGE/FEATURE] Add support for UTF-8 characters to label names and metric names in PrometheusRule resources and relabel configurations. #7637 #7985
• [FEATURE] Add the flag --name-validation-scheme to admission webhook to select between utf8 and legacy validations. #7985
• [FEATURE] Add status subresource for ServiceMonitor custom resources (requires the StatusForConfigurationResources feature gate). #7767 #7836 #7827 #7795
• [FEATURE] Add status subresource for PodMonitor custom resources (requires the StatusForConfigurationResources feature gate). #7929 #7914 #7936
• [FEATURE] Add status subresource for ScrapeConfig custom resources (requires the StatusForConfigurationResources feature gate). #7958 #7964 #7969
• [FEATURE] Add status subresource for Probe custom resources (requires the StatusForConfigurationResources feature gate). #7933 #7934 #7980
• [FEATURE] Add serviceDiscoveryRole field to ServiceMonitor. #7982
• [FEATURE] Add useFIPSSTSEndpoint field to Sigv4 config. #7987
• [FEATURE] Add UnderscoreEscapingWithoutSuffixes to the translationStrategy field for the Prometheus and PrometheusAgent CRDs. #7947
• [FEATURE] Add promoteScopeMetadata field to the Prometheus and PrometheusAgent CRDs. #7803
• [FEATURE] Add enableHttp2 field to Alertmanager and AlertmanagerConfig CRDs. #7963
• [ENHANCEMENT] Add the related object to the events emitted by the operator. #7867 #7953
• [ENHANCEMENT] Add webhook validation for the MSTeams V2 receiver of AlertmanagerConfig CRD. #7906
• [ENHANCEMENT] Add app.kubernetes.io/managed-by: prometheus-operator label to all managed resources. #7939
• [BUGFIX] Prevent duplicate authentication settings in PodMonitor. #7975
• [BUGFIX] Use distinct port name for the config-reloader init container to avoid duplicate port name warnings. #7904
• [BUGFIX] Validate the PagerDuty URL in the Alertmanager's global configuration. #7945

• [CHANGE/BUGFIX] Add the --watch-referenced-objects-in-all-namespaces CLI argument. When enabled, the operator watches for secrets and configmaps in both workload and configuration resources. It ensures that reconciliation happens when a referenced secret/configmap is updated. #7615
• [FEATURE] Add resendDelay field to the ThanosRuler CRD. #7753
• [FEATURE] Add ruleGracePeriod field to the ThanosRuler CRD. #7750
• [FEATURE] Add enableFeatures field to the ThanosRuler CRD for enabling feature flags. #7754
• [FEATURE] Add params field to the Probe CRD. #7755
• [FEATURE] Add hostUsers field to the Prometheus, PrometheusAgent, Alertmanager and ThanosRuler CRDs. #7768 #7769 #7771
• [FEATURE] Add promoteAllResourceAttributes and ignoreResourceAttributes fields to Prometheus and PrometheusAgent CRDs. #7669
• [FEATURE] Add -kubelet-sync-period argument to customize the kubelet controller's synchronization interval. #7762
• [FEATURE] Add Rocket.Chat receiver to AlertmanagerConfig CRD. #7328
• [ENHANCEMENT] Add well-known Kubernetes labels to workload objects managed by the operator (StatefulSet and DaemonSet). #7786
• [ENHANCEMENT] Add workqueue metrics. #7776
• [ENHANCEMENT] Optimize statefulset informers. #7766
• [BUGFIX] Use named ports for the managed Alertmanager service. #7517
• [BUGFIX] Support send_resolved field for JIRA and RocketChat receivers in the Alertmanager configuration. #7772

• [CHANGE/BUGFIX] Disable compaction of overlapping blocks when Thanos sidecar is configured with object storage. #7747
• [BUGFIX] Log only selected resources which are valid. #7749