• [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 https://github.com/prometheus-operator/prometheus-operator/pull/8144
• @kartikangiras made their first contribution in https://github.com/prometheus-operator/prometheus-operator/pull/8098
• @varundeepsaini made their first contribution in https://github.com/prometheus-operator/prometheus-operator/pull/8207
• @tomlin7 made their first contribution in https://github.com/prometheus-operator/prometheus-operator/pull/8209
• @fluktuid made their first contribution in https://github.com/prometheus-operator/prometheus-operator/pull/8248