The OneAgent release notes for version 1.315, updated on July 16, 2025, detail several significant updates and enhancements across various components of the software. Notably, the release introduces support for DB2 monitoring on z/OS, enhances distributed tracing with subagent-specific configurations, and provides technology support version schema clarifications. The update also includes automatic tracing capabilities for AWS SDKs and optimizations for handling numerous log files. Additionally, several resolved issues improve reliability and performance, such as fixing bugs in the AI causation engine, network module, and OneAgent installer. Specific attention is given to improving the tracing for Alpine Linux on ARM64 and refining hostname parameters for better infrastructure observability. The release also outlines the oldest supported versions under standard and enterprise support, as well as end-of-support announcements for certain versions.