Unreal Engine Issues
Unreal Engine Issues
Client Build Errors with VS 2019
UE - Simulation - Physics - Nov 11, 2019When building UE 4.23 from source using VS 2019, there are compile errors when building the Targets DebugGame Client and Development Client. Note that Debug Client builds successfully. The errors ar ...
Action Rpg Sample Creating a new GameplayCue handler crashes the editor in 4.24
UE - Gameplay - Dec 17, 2019In Action Rpg sample, creating a new Blueprint of type GameplayCueNotifyActor or GameplayCueNotifyStatic, results in an Engine crash. The call stack leads to a PrintF Slate warning message that woul ...
There is no obvious way to disable Auto Exposure in a post process volume
UE - Rendering - Features - Jan 31, 2022There is no easy way to disable auto-exposure on a per-component basis. This is a big source of confusion for people new to Unreal. The work around is to set Min and Max Brightness to 1 or set to ...
Imported Texture shows up black in Content Browser
UE - Texture - May 13, 2022I'm trying to import a .exr texture created in Substance Painter and exported as a 32 bit linear exr file. The texture is to be used for roughness. However, I've stumbled upon the problem that users ...
Trace to complex collision returns incorrect PhysicalMaterial
UE - Runtime - Simulation - Dec 15, 2022In ConvertQueryImpactHitImp, MaterialIndex is looked up from InternalFaceIndex, but FTriangleMeshImplicitObject:: MaterialIndices is an array by ExternalFaceIndex, so it returns incorrect material i ...
Alpha blending is done twice when using RenderOpacity of RetainerBox's parent slot
UE - AI Workflows - UI Systems - UMG - Feb 10, 2023Licensee reported that alpha blending is done twice in the code below, and the fix below seems to fix it. .\Engine\Source\Runtime\UMG\Private\Slate\SRetainerWidget.cpp From:const FLinearColor Compu ...
[UELOC] UE Editor 5.3 Testing - TSR - Not Set for Localization
UE - Rendering - Features - Aug 29, 2023How to Reproduce:Launch UE 5.3 RelTest BSet language in zhCN (or other languages)input 'stat tsr' in command line4.Observe the stat in Viewport Issues: Unloc'd strings Link to the affected string ...
Media Playback - PNG Image Sequence Crashes Editor
UE - Media Runtime - Media Framework - Sep 14, 2023The attached 105 frame PNG image sequence ( 1920x1080 w/alpha ) crashes the editor in UE 5.3 and 5.4 when played in the media player or in a MediaPlate. The same image sequence does not crash the ...
FILTER_COMMANDLINE_LOGGING cannot be used without forcing UE_COMMAND_LINE_USES_ALLOW_LIST
UE - Core - Systems - Jul 30, 2024There's two ways to affect the commandline in CommandLine.cpp: FILTER_COMMANDLINE_LOGGING - for filtering certain or all args (if left empty) from the log. UE_COMMAND_LINE_USES_ALLOW_LIST - for on ...
xDatasmith Direct Link models relocate on sync
TM - Interoperability - Jun 3, 2024Reported by multiple users. Models imported through Datasmith Direct Link can be relocated after a sync, despite no edits to the geometry's location in the DCC program. Currently reported for both ...