Unreal Engine Issues
Unreal Engine Issues
Unexpected vertex normal orientation when manipulating some morph targets
OLD - Anim - Jul 19, 2016Unexpected vertex normal orientation when manipulating some morph targets. This may be related to [Link Removed], but felt different enough to enter on it's own. ...
Unexpected resimulations after a client possesses a moving pawn
UE - Runtime - Character - Dec 14, 2023If a player possesses a moving NPP-simulated pawn, there is some kind of logic problem where a reconciliation immediately is triggered, and resimulations keep streaming for a long time. This proble ...
Integrity of AnimSyncMarkers compromised while playing AnimMontage with root motion in server side
UE - MVF Character - Animation - Jan 11, 2023Reference UDN as it explains well the cause of the issue. ...
Metasounds - Using the Audio Component Play Node with a start timer other than 0 results in the Metasound ceasing to function
UE - Audio - MetaSounds - Dec 2, 2021Metasounds cease functionality if called to Play with a different start time other than 0. This extends to the Metasound editor where pressing play to preview the sound also ceases to function. ...
UE 5.4 - Specular/reflection disappears above 4096 resolution render
UE - Rendering - Architecture - Aug 1, 2024After a viewport is more than 4096 pixels wide, Lumen's specular reflections buffer cuts its width off at 4096 pixels. It appears that the affected buffer is "Lumen.Reflections.ResolvedSpecularIndi ...
Network Prediction plugin: dispossessing a client pawn results in repeated sim input
UE - Gameplay - Apr 1, 2022After dispossessing an NP-simulated pawn, it appears that the last frame of input is used for the continued simulation of the pawn. For example, a client player may be holding down continuous inp ...
Replace with child on subtree of the NamedSlot is broken after reloading a widget.
UE - Editor - UI Systems - Apr 5, 2021"Replace with child" does not work well with the NamedSlot widget after reloading the widget blueprint in Contents Browser. ...
Additional input can be impossible after clicking an SButton in an Editor Window plugin
Tools - Feb 14, 2017When a Level Sequence Player is created by clicking an SButton in an Editor Window plugin, any other buttons in the plugin window can no longer be interacted with until a click is made outside of th ...
Custom node not working with material attributes
UE - Rendering - Architecture - Materials - Jul 15, 2024Using Material Attributes as an input to a Custom Expression causes the HLSL Translator to create multiple CustomExpression# functions, for each used member of the Material Attributes, rather than u ...
Mouse Up Detection lost inside Scrollbox when dragging
UE - Editor - UI Systems - Feb 28, 2017Mouse Up Detection lost inside Scrollbox when dragging and releasing inside. This issue occurs when trying to detect on mouse up for a scroll box Regression: This issue also occurs in 4.14.3 ...