Unreal Engine Issues

Unable to change collision profile on static mesh component to a specific profile.

Using GENERATED_BODY() instead of GENERATED_UINTERFACE_BODY() in an Interface code class results in a UHT crash when trying to build the project.

Replacing GENERATED_UINTERFACE_BODY() with GENERATED_BODY() in 4.7.0 or above results in an Unreal Header Tool crash and build failure in Visual Studio. This was working in 4.6.1, but when tested i ...

MetalRHI crash locking camera cut to a level sequence in QAGame

Running into an intermittent crash in MetalRHI when locking to a camera cut in a level sequence. Very similar to [Link Removed] which is an NVIDIA GPU. ...

Framerate drops when using SceneCaptureComponents with a RenderTarget in VR

Using SceneCapture in packaged VR projects causes poor performance. Also observed with SceneCaptureCube Does not occur in 4.18 ...

Mobile Previewer: Safe Zone Invalid Until Window Resize

When the Mobile Previewer loads, the Safe Zone widget is not working properly at startup, and requires a window resize to update to the correct Safe Zone. ...

If PVRTexToolCLI is not executable, invalid texture data is used and crash results when launching on device

Synced the code on Windows and transfered to Mac, the file PVRTexToolCLI lost its executable permission bits... UE4 couldn't run the tool, but carried on processing anyway, processing invalid textur ...

Crash when opening a project with Renderdoc plugin enabled while renderdoc is installed on the machine

-The editor will crash when opening a project with the Renderdoc Plugin enabled while the user has Renderdoc installed on their machine. Uninstalling Renderdoc allows the project to open without cra ...

Editor not properly handling frame ranges for 60fps animations

The editor does not seem to be handling frame ranges properly for 60fps animations. Say you have a 200 frame animation that spans frame 0-200. Upon import it will be 201 frames. If you set the ra ...

Crash when attempting to change the parent of a material instance constant through editor scripting

The built-in class "UMaterialEditingLibrary" provides various editor scripting functions related to creating and editing materials and material instances. One of these functions, UMaterialEditingLib ...

Hot Reload Crash involving variables in USTRUCTs

This issue was created for this UDN post: https://udn.unrealengine.com/questions/306933/hotreload-crashbad-behavior-when-addingremoving-pa.html This repro is based off his last repro, cutting it do ...