Unreal Engine Issues
Unreal Engine Issues
Sine Wave audio plays choppy in editor
UE - Audio - Dec 4, 2017Playing a sine wave as an audio sample in the editor produces a choppy sound when it does not outside of the editor. This issue does not appear to be a regression. Versions Tested: Issue occurs in ...
Normal are different after Merge Actor on scaled objects
OLD - Anim - Feb 8, 2018Normal are different after Merge Actor on scaled objects. If the actors aren't scaled, the issue doesn't seem to occur. A licensee is trying to use the Merge Actor tool to optimize their entire pro ...
Sequencer: Shot Comprised of Several Shots Set to "Evaluate Subsequences in Isolation" Timeline Does Not Scrub
UE - Anim - Sequencer - Apr 24, 2018When opening NewLevelSequence, opening shot0010_001, changing the playback settings to Evaluate Subsequence in Isolation, switching back to NewLevelSequence, opening shot0020_001, and scrubbing, ani ...
Levels Panel "Move To" function does not move level to desired location
Tools - Jun 6, 2018Levels Panel "Move To" function will not move level to the desired location. The menu will stay open and do nothing when you try to move it. Found in 4.18 CL# 3832480, 4.19 CL# 4033788, 4.20 Prev ...
Unable to apply Materials to the chunks of a Destructible Mesh
UE - Simulation - Physics - Jul 31, 2018When applying a second material to a Destructible Mesh it does not texture the chunks of the fractured mesh. The chunks remain the same as base color of the Destructible Mesh. This is issue was re ...
Finish or Custom Event Tracks in a Timeline don't execute when 'Set New Time' is being used
UE - Gameplay - Aug 8, 2018When using Finish or Custom Event Tracks in a Timeline, they won't execute when 'Set New Time' is being used with another Timeline or Float value. This issue was reported and tested in 4.19.2 (CL ...
Select All Descendants in World Outliner Does Not Highlight Everything Selected in Sub Folders
Tools - Sep 7, 2018Selecting all descendants of a folder hierarchy in the world outliner doesnt accurately show what all is selected. This does not always occur and is a visual bug. The items in the level are still se ...
FTransform(ENoInit) ensures in Debug on mobile platforms
UE - Foundation - Core - Sep 25, 2018As of 4.20, ENABLE_NAN_DIAGNOSTIC is now enabled in all Debug configurations. However, this does not work well with the TransformNonVectorized that is used on platforms like android. If this combina ...
"Build" button causes "Validation failed" and breaks references of meshes in Sublevel according to a prescribed procedure
UE - LD & Modeling - Modeling Tools - BSP - Feb 9, 2019A licensee reported that "Build" button causes "Validation failed" and breaks meshes in a Sublevel according to a prescribed procedure. The process is quite complicated, but I can 100% reproduce thi ...
Frustum Culled Landscape Components Not Casting Shadows
UE - Graphics Features - Mar 5, 2019Frustum culled landscape components stop casting shadows resulting in the shadows disappearing near the edges of the camera in square sections. Unable to test in 4.20 or 4.21 as provided project wa ...