--- title: "Windows Agent 4.20" slug: "windows-agent-420a" description: "Discover release enhancements: encrypted XML support, improved APM data viewing, enhanced log rotation control, and bug fixes for seamless performance." updated: 2019-07-29T21:42:31Z published: 2019-07-29T21:42:31Z canonical: "docs.stackify.com/windows-agent-420a" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.stackify.com/llms.txt > Use this file to discover all available pages before exploring further. # Windows Agent 4.20 **Release Date: 6/27/2019** ## Release Enhancements - Added support for handling encrypted XML configuration files - Improved stability for viewing APM data such as Web External Calls, Tracked Functions, SQL, etc. - Changed the format of raw trace files in the agent to pave the way for additional .Net Core support - Added the ability to control the length of log rotation for Stackify log files within an Azure App Service ## Bug Fixes - Fixed an issue where "Server" and "Hostname" names were displayed differently in Platform ELM causing a mismatch between the two fields