Unreal Engine Issues
Unreal Engine Issues
When r.SSR.Stencil is enabled, there is wrong logic observed.
UE - Graphics Features - Dec 19, 2025When r.SSR.Stencil is enabled, the areas with high roughnesss are not discarded and Unlit materials are incorrectly handled. See the linked EPS case (Additional Info URL) for a full explanation of ...
Collision Boxes not set properly when using negative values
UE - Simulation - Physics - May 15, 2015When using multiple collision boxes with the mesh scaled in a negative axis while the collision boxes are rotated that the rotation is not taken into account when using the negative scale. ...
Hot Reload changes actor focus from a component to its root
Tools - Mar 10, 2015When a hot reload occurs in the editor, if the component of a placed actor is selected then focus will switch from the component to the actor's root. This can be confusing when the root is a code c ...
Deleting class instance will call destructor for each instance of the class
Tools - Mar 11, 2015**UPDATE** When the actor is pulled from content browser to scene, a "ghost" object is created even if the actor is still being "held". Dragging the actor back and forth into the editor viewport wi ...
Blueprint navmesh modifier does not update navmesh in level
UE - AI - Jun 21, 2015CrashReporter: [Link Removed] The Navmesh Modifier Component in blueprints does not properly update a levels navmesh. ...
GPU Particle Freeze in Fullscreen PIE when Combined with Widget Blueprint using any Widget Element
UE - Graphics Features - Jun 27, 2016Certain particle systems freeze when rendered in Fullscreen mode during PIE with Text Block added within Widget Blueprint. From what I could tell it is the GPU particles that are freezing. Note I n ...
Real Time Preview for Converted Vector Parameters not working
UE - Graphics Features - Dec 5, 2014The Real Time Preview of Converted Vector Parameters from the Material Editor are not currently previewing in the level viewport without re-compiling the material. ...
Enum Variable doesn't pull the correct Default Value
UE - Gameplay - Blueprint - Aug 10, 2015Enum Variable doesn't pull/print the correct Default Value User Description: (Blueprint) User defined enum in 4.9 getting corrupted I believe there is a severe underlying issue in 4.9 regarding u ...
Adding a key frame to the curve editor in UMG adds multiple keyframes
UE - Editor - UI Systems - May 6, 2015When Right clicking and selecting add key frame to an animation on the curve editor in UMG there appears to be multiple keys being added to the timeline. ...
Record Animation can start "between keys"
OLD - Anim - Feb 8, 2016A user was trying to make his recorded animation loop, but having trouble getting it to loop properly and having to eyeball it. So I did some digging and experimentation. I think that one of the m ...