Kibana 7.3.0 introduces several significant updates and enhancements, including the production readiness of Elastic Maps, which now features advanced layer styling and a new top hits aggregation feature. The release also integrates Kerberos support for seamless single-sign-on (SSO) access, allowing users to authenticate without repeated logins. Enhancements in snapshot management include delete and restore capabilities, while CSV export from saved searches is now possible with specific configurations. The SIEM and Machine Learning apps are enhanced for improved anomaly detection, and the APM app introduces a "Time spent by type" chart for better performance analysis. Additionally, this version offers improved bar chart functionalities, expanded KQL + autocomplete features, and updates to Canvas with new templates and user experience enhancements. Overall, Kibana 7.3.0 offers robust improvements across various functionalities aimed at enhancing user experience and performance efficiency.