This is a non-exhaustive list of known issues in the RAS 2025 Alpha. We will remove items as they get fixed, so keep an eye on the Release Notes page ... We generally will only put bug reports here if we are able to reproduce the issue internally, For example we will not use this page to document missing or partially completed features.
Major Issues
Major issues are any that may cause crashes, data loss, or strong disruptions to workflow.
Summary
Description
Severity
Workaround
Notes
Error using exported mesh in RAS 6.6
There are a variety of errors associated with importing and running RAS 2025 meshes in version 6.6 models. Some of these have been identified as model instability in 6.6 (unrelated to the 2025 mesh).
Can't import mesh or run model
All known mesh export issues have been fixed as of v0.1.0.1506. If you're still experiencing issues after updating, please report it as a new bug.
Minor Issues
Minor issues are generally UI errors and annoyances, or issues with simple workarounds.
Summary
Description
Severity
Workaround
Notes
Ongoing Issues
Ongoing or persistent issues may be a confluence of multiple bugs, or bugs in underlying software that we don't directly control. We'll try to keep you updated with known workarounds or mitigations, but
Summary
Description
Severity
Workaround
Notes
Updater/Installation cannot copy files
When updating RAS, the installer may warn about issues copying files. The installer may partially succeed, leaving the installation in a corrupted state.
Prevents updating, may corrupt installation
Try to kill the process Ras.Interface.WinUI.exe
Restart computer
We've noticed a few crashes that occur deep in the Windows UI stack that can cause zombie processes to hang around, particularly when 3rd party anti-virus software is on the machine. We're continuing to investigate this and will update with known workarounds or fixes.