• Added service-level Notification Policies with matcher-based channel selection.
• Added Priority Policies for automatic P1–P5 assignment with team defaults and service overrides.
• Introduced reusable Matcher Presets for routes, service rules, silences, policies, and service runbooks.
• Added a shared matcher editor with JSON validation, formatting, and suggestions from recent alerts.
• Added the ability to reset manually assigned incident priorities back to automatic management.
• Added source event links to Email, Slack, Mattermost, Telegram, and browser push notifications.
• Improved Sentry event and project detection.
• Expanded Alert Explain Trace with detailed priority resolution information.
• Reorganized service-related navigation.
• Renamed the incorrect Blast radius field to Environment.
• Added matcher preset visibility, search, validation, and usage tracking for service runbooks.