Unreal Engine Issues
Unreal Engine Issues
Vertex Animation anti-aliasing improvement
UE - Graphics Features - Jun 2, 2015A licensee has reported that their vertex animations are leaving a lot of be desired with anti-aliasing. Specifically using vertex animated meshes can leave aliasing remnants behind while it's shift ...
Mobile Preview - Custom Stencil 4.23 Regression
UE - Platform - Mobile - Oct 25, 2019Regression when using custom stencil with in-editor mobile preview. This does NOT reproduce in MAIN at CL 9730599 ...
The number of elements in an array remain the same as the default when duplicating an actor
UE - Gameplay - Blueprint - Feb 22, 2017If a user removes elements from an array in an instance of that blueprint in the level and then duplicates the actor (in the level ) containing the array, then the resulting actor will have the orig ...
Gameplay Effects can hold stale references to GameplayTags when switching Gameplay Effect Component type
UE - Gameplay - Gameplay Ability System - Jan 9, 2024Gameplay Effects can hold stale references to Gameplay Tags when the adding component is switched for a different type. The tags are serialised, and their presence can be confirmed with Reference Vi ...
Combo Box (String) does not work when applied to a 3D widget
UE - Editor - UI Systems - Apr 16, 2015Users are not able to get the drop down menu to show up when the combo box is applied to a 3D Widget (World Space) ...
Foliage is not partially loaded after InstancedFoliageGridSize is changed by WorldPartitionFoliageBuilder commandlet
UE - World Creation - Worldbuilding Tools - Foliage - May 27, 2022Changing the InstancedFoliageGridSize by the WorldPartitionFoliageBuilder commandlet will cause some of the foliage to not load correctly. ...
Placed level instance causes "!ActorInstanceGuid.IsValid()" assertion after changing WorldSettingsClass
UE - World Creation - Worldbuilding Tools - Level Instances - Nov 13, 2023Resaving the level using ResavePackagesCommandlet is a workaround. ...
Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName)
UE - Anim - Sequencer - Jul 12, 2017Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName) This Assert happens randomly throughout the repro-steps. I am unsure what about the process cause ...
After closing PIE, Right click dragging is confined to the Viewport bounds
Tools - Oct 27, 2017After holding any mouse button down and pressing escape to quit the game, using the right mouse button to move in the viewport locks it to the left and right bounds of the viewport. Sometimes moving ...
Unexpected Collision Response When Nesting Primitive Components with auto-weld enabled and physics disabled on children. The root primitive falls through floor even though it is set to block all.
UE - Simulation - Core - May 27, 2025Context Auto-weld makes it so if a child is attached to a parent, the two bodies will be joined into a single rigid body. Physic settings like collision profile and body settings are determined by t ...