The OneAgent version 1.239 release, first rolled out in April 2022, introduces a range of new features and enhancements across multiple platforms and technologies, including improved support for OpenTelemetry in Java, automatic Real User Monitoring (RUM) injection for ASP.NET Core applications, and new capabilities for Go and Android development environments. This release also outlines changes in support for various operating systems, such as the end of support for specific versions of JBoss Application Server, Node.js, and several Linux distributions, with future phase-outs planned for Amazon Linux, Debian, and Windows platforms. Notable updates include performance improvements in log monitoring, enhanced stability for the OneAgent .NET module, and various resolved issues across components like NGINX, PHP, and IIB, with significant attention to security vulnerabilities and input validation. Additionally, mobile and JavaScript OneAgent components have seen specific improvements, such as better compatibility and stability features for iOS and Android applications, as well as fixes for JavaScript Proxy API issues.