Unreal Engine Issues
Unreal Engine Issues
Calling UHierarchicalInstancedStaticMeshComponent::AddInstance multiple times causes crash
UE - World Creation - Worldbuilding Tools - Foliage - Jan 16, 2019Calling UHierarchicalInstancedStaticMeshComponent::AddInstance multiple times causes multiple BuildTrees to be created and run asynchronously at the same time. Tested in 4.21(CL - 4613538) How t ...
Blueprint Struct associations in Blueprint hierarchy causes command line cooker to crash
UE - Gameplay - Blueprint - Oct 13, 2016If a user creates a specific Blueprint hierarchy with a Blueprint struct, it can cause a issue when the Blueprint struct is being cooked. User description of Blueprint(s) and Blueprint Struct relat ...
FSlateApplication::OnControllerAnalog triggers a MouseLeftClick event to be added to the input stack.
UE - Gameplay - Input - Jun 3, 2016It appears that FSlateApplication::OnControllerAnalog triggers a left mouse click to occur on mobile platforms. If developers haven't properly avoided hooking up delegates to the InputComponent for ...
Closing the GPU Visualizer window on Linux causes the editor to crash
UE - Platform - Linux - Oct 21, 2015After opening the GPU Visualizer window, pressing the "X" to close the window causes the editor to crash. ...
Compile failure packaging for iOS: "error: member access into incomplete type 'const FCulture'"
UE - Platform - Mobile - Dec 14, 2016Compile failure packaging for iOSUATHelper: Packaging (iOS): UnrealBuildTool: D:\Build\joseph.wysosky_QuickSwitch\Engine\Plugins\Online\IOS\OnlineSubsystemIOS\Source\Private\OnlineStoreIOS.cpp(123 ...
Building Nanite on a Landscape with Visibility Mask multiple times gives an Assert
UE - Graphics Tools - Terrain - Landscape - Aug 28, 2023Repro Rate 15/25 Regression set to Yes as this was not found on //UE5/Release-5.2 CL 26001984 Binary Building Nanite with a Landscape that has a material including Landscape Visibility Mask still ...
Ensure attempting to submit to source control after enabling plugin
Tools - Nov 17, 2016Ensure occurs when trying to submit to source control after enabling a plugin in the editor. I wasn't able to reproduce this if the uproject wasn't checked out. ...
Custom Primitive Data types do not work with Procedural Meshes even though the option exists in their Details Panel
UE - Graphics Tools - Modeling Tools - Dec 16, 2021This is a not a regression. Tested in UE5(Binary), UE4(Binary), and UE5 Main(P4). Procedural Meshes have the option for CPDs listed in their details panel under Rendering > Advanced >Custom Primit ...
Missing texture assets cause warnings on editor start: LogStreaming: Warning: Failed to read file '../../../Engine/Plugins/Developer/PlasticSourceControl/Resources/Icon128.png' error.
UE - Editor - UI Systems - Jan 7, 2025There are a number of missing texture assets which are failing to be read when the editor opens. This is causing a warning to be thrown each time the editor opens, potentially causing CI/CD tests (i ...
A project on Mac that includes a static library will continue to use the old cached version of the library after the library is updated.
UE - Foundation - Cpp Tools - UnrealBuildTool - Sep 9, 2016If a static library that is included with a UE4 project is changed, the new version of the library is not used when the project is built again. Instead, the original cached version of the library is ...