Unreal Engine Issues
Unreal Engine Issues
Crash Creating Geometry Collection on Windows 7
UE - Simulation - Physics - Oct 24, 2019Crashing on windows 7 when trying to create a geometry collection or opening the chaos destruction demo. Breaking on D3D11Util.cpp: Line 249 UE_LOG(LogD3D11RHI, Fatal,TEXT("%s failed \n at %s:%u \n ...
Sequencer Media Tracks trigger crash when an ImageSource is added
Media Framework - Jun 18, 2020The same callstack appears in 4.24.3 (CL-11590370) but only when playing a Sequence with a Media Track that has a ImgMediaSource and Media Texture set on it. These repro steps work for 4.25 and 4.26 ...
Nvidia Graphics Drivers cause editor menus to flicker and disappear after using the editor for an extended period of time
UE - Graphics Features - Apr 16, 2021This issue seems to be occurring on a variety of Nvidia cards. So far, I haven't seen any indication that it is affecting AMD graphics cards. The majority of the reports have indicating that the pro ...
Crash at compile time when using a VariableSet node with a local variable created by pasting a private property
UE - Framework - Blueprint - Oct 7, 2025When a property is created in this way, a local variable with a Private flag is generated. Since such a variable is generally not desirable, it would be better to remove the Private flag upon pastin ...
Importing a Mesh with a Translucent Material from Max or Maya ignores opacity
Tools - May 22, 2015When you import a Mesh with the import Materials / Import Textures checked ture from Max or Maya that has Opacity or an Opacity Mask set up on the model's material, the opacity settings and ignored ...
Static code functions cause associated blueprints to not compile after a hot reload
UE - Foundation - Cpp Tools - Hot Reload - Oct 14, 2016If a function inside a BlueprintFunctionLibrary class is declared as static, instances of the function node inside blueprints cause the blueprint to not save after a hot reload. This does not affec ...
Second Animation Sample added to AimOffset or Blendspace swaps with the first sample
OLD - Anim - Oct 3, 2016Second Animation Sample added to AimOffset or Blendspace swaps with the first sample Note: After adding a 3rd sample, they switch back to the correct position. Regression: Sort of. In previous ...
FBXImportAsset Data is lost on project restart when changing any Build Settings
UE - Editor - Content Pipeline - Import and Export - Jul 27, 2015After importing a Static Mesh, if you alter any build settings and apply changes, on the next opening of the Project you will not be able to reimport the asset changed. You will have to retarget th ...
Subclass disappears from class variable drop-down on re-open
UE - Gameplay - Blueprint - Mar 13, 2017Subclass disappears from class variable drop-down upon reopening the project. There is a workaround for the issue but it is strange in nature. Opening the level blueprint and adding the node in scre ...
Construction script not updating HISM array count
UE - Gameplay - Blueprint - Mar 27, 2017Construction script not updating HISM array count, even when new elements are adding inside of the level. Regression: Issue occurs in 4.15.1 of the binary build Using the same repro steps provid ...