--- title: "Application and Change Control 9.0.3 Windows Hotfix 1 Release Notes" slug: "application-and-change-control-9-0-3-windows-hotfix-1-release-notes" updated: 2026-10-29T09:13:27Z published: 2026-10-29T09:13:27Z canonical: "docs.trellix.com/application-and-change-control-9-0-3-windows-hotfix-1-release-notes" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.trellix.com/llms.txt > Use this file to discover all available pages before exploring further. # Application and Change Control 9.0.3 Windows Hotfix 1 Release Notes This hotfix contains resolved issues. **Release date —** October 15, 2026 **Release build:** TACC Extension — 9.0.3 # Resolved issues This hotfix addresses customer-reported issues. For a list of current known issues, see [Application Control 9.x Known Issues (000014345)](https://support.trellix.com/s/article/000014345). | **Reference** | **Description** | | --- | --- | | MACC-16434 | Optimized the event parser service to enhance the processing speed and efficiency of incoming data. | | MACC-16687 | Resolved the Out-of-Memory (OOM) issue by increasing the TACC service heap memory configuration and optimizing resource settings to proactively trigger Horizontal Pod Autoscaling (HPA). |