Unreal Engine Issues
Unreal Engine Issues
Volumetric Lightmap Holes Appear Every Fifth Build
UE - Graphics Features - Sep 11, 2018Volumetric lightmap holes appear every fifth build. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# 4348893 ...
SetActorLabel() is slow on Landscapes
UE - Graphics Tools - Terrain - Landscape - Jan 7, 2025I've noticed calling SetActorLabel() on a Landscape will call PostEditPropertyChanged() which causes the Landscape Components to regenerate all collisions. As per the repro, this can take a long tim ...
Importing Mesh with "Import Animations" enabled crashes editor.
OLD - Anim - Nov 13, 2015After importing a mesh with "Import Animations" enabled the editor crash's. Importing only the mesh does not crash the engine. Importing animation separately and assigning to Skeletal mesh on import ...
Changing line thinkness causes line to not be rendered
UE - Graphics Features - Apr 27, 2017When drawing a canvas line item to a render target, changing the thickness of the line to anything other than 0 causes the line to not be rendered if the associated material's blend mode is set to T ...
Cascade sprite scales incorrectly / flickers when set Screen Alignment to Velocity
UE - Niagara - Dec 10, 2019Very easy to reproduce. uasset file provided. Doesn't happen in 4.22.3 ...
Geometry collection components report incorrect mass for character movement components
UE - Simulation - Physics - Sep 24, 2024A player cannot move heavier GC objects even if we have a valid setup due to the GC not reporting the correct mass. ...
Widget Component blurred by motion when attached to camera
UE - Graphics Features - Apr 10, 2019Widget component appears to blur while in motion. When compared to other objects in the same frame of reference the widget component is the only one blurring. Regression: Yes This appears to have ...
If setting isActive of Camera's Spawn Track to false and binding the camera to Camera Cut Track, the player camera moves to an incorrect position after the sequencer finishes playing.
UE - Anim - Sequencer - Jun 16, 2020If the binding itself registered in the camera cut is incorrect, the position of the camera after the sequencer ends becomes fraudulent. ...