Unreal Engine Issues
Unreal Engine Issues
TSR and TAA history accumulation gets reset when taking viewport screenshots or when clicking outside the tree in the outliner
UE - Graphics Features - May 30, 2025TSR (and TAA) history accumulation gets reset when taking viewport screenshots or when clicking on an empty area in the outliner (when a tree item is selected). This can cause an undesirable issue w ...
GLTFExporter indexing issue
UE - Editor - Content Pipeline - glTF - May 29, 2025Hi, I also ran into an issue when exporting a skeletal mesh that has multiple sections that all share the same material slot. It looks like the index buffer that's constructed is incorrect. In GLTF ...
Enabling Wireframe Mode along with HDR (EyeAdaptation) Visualization crashes the Editor
UE - Graphics Features - May 29, 2025In the Viewport, enabling Wireframe Mode (ALT+2) along with HDR (EyeAdaptation) Visualization crashes the Editor. I've tested different versions and this issue is not present on 5.0, but it reproduc ...
Live Link Hub hang when discovering YUV444 encoded takes in Capture Manager
UE - Virtual Production - IO - LiveLink - May 28, 2025When using Capture Manager in Live Link Hub to discover takes which contain video encoded with the YUV444 pixel format will cause the application to hang. The Windows Media Foundation library used ...
PlayMontages can break after binding an actor with an AnimInstance inside a LevelSeuqence.
UE - Anim - Sequencer - May 28, 2025When an Animation Sequence is overridden by a LevelSequence, and later reverts to its original animation state, the AnimInstance fails to properly reinitialize. This prevents subsequent animation lo ...
VSM SMRT SamplesPerRay CVars behave differently if groom assets are present leading to a potential full-scene shadow
UE - Graphics Features - May 28, 2025When a groom is present, setting any SamplesPerRay SMRT CVar to zero results in an unexpected complete shadow projected from the light. ProjectLight() in VirtualShadowMapProjection.usf has addition ...
MRQ - No Rayrtaced Shadows casted from Groom Caches with only 1 Spatial Sample
UE - Anim - Sequencer - MRQ - May 28, 2025A groom cache will not cast a raytraced shadow with only 1 spatial sample. It does not matter how many temporal samples you have. ...
UnrealServer -precompile -allmodules fails to compile with - Plugins\Media\PixelStreaming2\Source\PixelStreaming2\Internal\UtilsCore.h(34) : error C4702: unreachable code
PixelStreaming - May 27, 2025UnrealServer -precompile -allmodules fails to compile with - Plugins\Media\PixelStreaming2\Source\PixelStreaming2\Internal\UtilsCore.h(34) : error C4702: unreachable code This compile setting is us ...
Rendering of a Text Widget with Outline does not track LayerId correctly
UE - Editor - UI Systems - May 27, 2025Text widget with Outline uses 2 LayerId levels to draw the outline and the text glyphs. This can be seen in function FSlateElementBatcher::AddShapedTextElement(), where lambda BuildFontGeometry() is ...
Dealing with spaces in perforce directories
UE - Foundation - Horde - May 26, 2025Hello, We're encountering a fatal error when trying to set up a project in Horde using the AutoSdk: Fatal error: EpicGames.Perforce.PerforceException: Unable to parse view map entry: " ...