Dynatrace Managed release version 1.228 introduces several enhancements and resolves numerous issues to improve functionality and security across its platform. Key updates include the removal of deprecated endpoints in favor of more efficient alternatives, improved navigation for Kubernetes cluster details, and an updated OpenSSL library for increased security. The release also features a new User Sessions Query Language function for better data analysis and introduces feedback options for users to enhance problem analysis. In terms of operating system support, there's a phase-out plan for certain Linux versions, with specific dates outlined for the cessation of support. Significant resolved issues focus on improving cluster performance, addressing vulnerabilities related to the Log4j library, and refining user interface elements to enhance user experience. The updates ensure better baselining alert sensitivity and optimized session storage, along with addressing permission handling and configuration visibility issues.