Dynatrace SaaS release version 1.233 introduces several updates and enhancements, including the end of support for TLS 1.0 and 1.1 for RUM data starting April 2022 and the transition from Session Replay masking v1 to v2 by version 1.240. The update includes new request attributes for mainframe requests, an improved host settings UI, and the ability to set custom management zones for Service-level objective dashboard tiles. The release also supports a Japanese display language for the web UI and offers new metrics for Azure cloud services. Various resolved issues are addressed, such as fixing a bug related to the Session Replay privacy settings update and improving security by restricting configuration changes to designated management zones. Additionally, the release includes cumulative updates that resolve multiple issues and a vulnerability, alongside improvements in metrics, user experience, and API functionalities.