Unreal Engine Issues
Unreal Engine Issues
Memory stomp in UTexture2DArray::SetPlatformData
UE - Texture - May 30, 2024A crash from bad memory access can happen when clearing the textures in a Texture2DArray asset. This appears to be because the order of operations when deleting the platform data is: ``` if (Privat ...
Failed to launch project with -D3D10 Command Line Argument
UE - Graphics Features - Jun 3, 2019Adding the d3d10 command line argument to a package project results in a crash. This worked normally in 4.21 and below. ...
Duplicating Collapsed Node Graph With an Asterisk in the Name Results in "Invalid Graph"
UE - Gameplay - Blueprint - Sep 20, 2017If you give a Blueprint node a name containing an asterisk, then collapse it, if you copy and paste the collapsed node the duplicate node will say "Invalid Graph." Additionally, if you try to renam ...
Memory leak when using Blueprint Debugger while inspecting a return value
UE - Gameplay - Blueprint - Mar 11, 2022Potential memory leak when using Blueprint Debugger to inspect a return value multiple times while playing. User also reported this would cause a crash, but I didn't try to max out ram usage to trig ...
Cannot copy and paste cloth config parameters
UE - Simulation - Physics - Character - Apr 23, 2020Copy/pasting cloth configs used to be possible in 4.23. It then got broken in 4.24 (crash) with the introduction of changes required for the new physics engine. In 4.25, the config evolved to a Map ...
GPU memory leak during large source control operations
UE - Editor - Workflow Systems - Jul 28, 2022We've seen some reports of GPU memory leaks during source control operations caused by the animation of the throbber widget, potentially leading to a crash if GPU memory runs out. The crash has been ...
Prompt for camera permissions when running Google VR plugin
UE - Platform - XR - Mar 7, 2018Need to update these UDN threads when the issue is fixed. https://udn.unrealengine.com/questions/401360/ios-shipping-build-crash.html https://udn.unrealengine.com/questions/428225/about-ios-ship-b ...
Race condition whilst cooking material layers: Invalid DDC key
UE - Graphics Features - Oct 5, 2018When cooking the DDC key for a material layers parameter set may become invalid which causes issues reading/writing to the global material shader map and can lead to a crash. See original UDN post f ...
Ctrl + z still active in PIE
Tools - Jan 20, 2016Users can select ctrl + z while playing in Editor causing PIE to stop and undo last change, often freezing the editor temporarily, and sometimes causing a crash. Workaround: This does not occur if ...
Streaming of array textures with mips results in nearest mips being black
UE - Graphics Features - Jan 20, 2020The issue is discussed in this UDN:https://udn.unrealengine.com/questions/544210/crash-starting-up-in.html Key quote from UDN thread is:"Also, having made a texture array with 190 entries, it seems ...