Unreal Engine Issues
Unreal Engine Issues
The mobile preview in editor gets much darker after open the StaticMeshEditor
UE - Graphics Features - Aug 26, 2019Particles can flicker at the end of first emitter loop when interpolated spawning is enabled
UE - Niagara - Jun 18, 2020Particles flicker at the end of first emitter loop when interpolated spawning is enabled This issue does not occur if interpolated spawning is disabled. This issue does not occur for any of the su ...
Landscapes do not Render when used with Lighting Scenarios on Mobile
UE - Platform - Mobile - May 15, 2017Landscapes disappear using Lighting Scenarios when deployed to a mobile device. When playing in the editor using the mobile previewer, everything looks as expected. It only occurs when deployed to ...
It's not clear which Grid Stretch mode in blend space is currently on
OLD - Anim - Nov 28, 2016In a blend space or aim offset, there's no clear indication which grid stretch mode is enabled when clicking the button in the grid (aside from looking at the tooltip when hovering over the button). ...
Performance decreases with the number of morph targets
UE - Anim - Rigging - Jun 15, 2023Performance decreases quite a bit on characters with large number of morph targets, as soon as even one target is active. ...
UPoseAsset::SetBasePoseName() always sets INDEX_NONE
UE - Anim - Runtime - Apr 11, 2025UPoseAsset::SetBasePoseName() does not correctly set the BasePoseIndex when a valid pose name is provided. Regardless of input, the pose defaults back to ReferencePose. Upon inspection of the implem ...
Cannot change the original casing used for parameter names
UE - Gameplay - Blueprint - Jan 25, 2017It appears that users cannot change the original casing used for parameter names after they have been set once. ...
Color Picker No longer Retains Hex Values
Tools - May 9, 2017The color picker doesn't remember values pasted or entered into the Hex Linear or Hex SRGB field. ...
Construction script does not properly reset array count
UE - Gameplay - Oct 28, 2019It appears that in UE 4.23, some specific arrays in construction scripts are no longer cleared automatically and retain references to TRASH objects from the previous construction script calls. This ...
Virtual Texture does not stream high-resolution data when assigned as a UI material to a widget.
UE - Rendering - Architecture - Mar 23, 2026When a Virtual Texture is applied as a UI material, there is no associated geometry, so it does not explicitly request the loading of high-res virtual texture tiles. ...