Unreal Engine Issues
Unreal Engine Issues
Material Ambient Occlusion Does Not Work With Skylight Set to Movable
UE - Graphics Features - Jul 27, 2018Material ambient occlusion does not work with the skylight set to movable. Setting the material to allow static lighting will fix the issue until the level is reloaded. Found in 4.19 CL# 4033788, 4 ...
Data table editor uses property names as column headings
Tools - Nov 2, 2018The column names in the data table editor appear to directly use the property name instead of the "pretty" version of the property name. If the "DisplayName" meta specifier is used, though, that is ...
XboxOne D3D12 Graphics Artifacts
UE - Platform - Console - Dec 4, 2018Multiple licensees are experiencing this problem. The repro should look like this initially: [Image Removed] But then over time will degrade overtime into something like this this, most likely cau ...
Pressing ESC while on a drag operation makes drag visual to be disappeared and OnDragCancelled not to be called.
UE - Editor - UI Systems - Dec 11, 2018DragDropOperation is removed when pressing esc button. but this is skipping OnDragCancelled so it can disrupt user's UMG drag operation logic. ...
Foliage Lightmaps are incorrect when using a Lighting Scenario and running as standalone
UE - LD & Modeling - Terrain - Landscape - Apr 1, 2019NavModifierVolume's FailsafeExtent is applied to the wrong area
UE - AI - Apr 16, 2020The FailsafeArea of NavModifierVolume is generated at a different location from the center of the actor when it rotated. This means that the effect of rotation is incorrect. (see attached file) W ...
Editor crash when drag and drop the Image widget in a NamedSlot on the designer
UE - Editor - UI Systems - Apr 20, 2020When first added as a child widget in NamedSlot, the child widget can be dragged and dropped onto the parent widget's designer. The following assert causes a crash. Assertion failed: ParentWidget ! ...
MoviePipeline skipped frames using Temporal Subsampling + Time Dilation
UE - Anim - Sequencer - Jun 30, 2020The frame appears to be getting skipped entirely, but the timing for the frames on either side of them is correct, ie: if frame 10 is skipped, frame 9 and 11 still match the working case, so the ove ...
FFT corruption in bloom from sampling outside of viewport
UE - Graphics Features - May 27, 2021Licensee has suggested a fix: "Switching to >= resolves the problem: in GPUFastFourierTransform2DCore.ush, `bool InWindow = ...` at lines 127, 144, 170, and 185." ...
HDR is washed out or broken across multiple platforms
UE - Graphics Features - Jun 4, 2021Default HDR images look incorrect for different reasons on each platform: PC SDR:[Image Removed] PC HDR:[Image Removed] ...