Unreal Engine Issues
Unreal Engine Issues
Masked material using virtual textures covering a decal will result in black pixels
UE - Rendering - Graphics Features - Nanite - Mar 31, 2025Depth Passes for Masked Materials using Virtual Textures does not work correctly when it is in front of a Nanite Mesh and a Decal, resulting in black artifacts. Also tested on //UE5/Main, CL: 41024 ...
Input Actions bound to Any Key become unresponsive after mouse scroll until scrolled again
UE - Gameplay - Input - Mar 28, 2025In UE latest release (5.5 launcher version), Enhanced Input Actions mapped to "Any Key" stop responding after scrolling the mouse wheel. Specifically, scrolling either up or down disables the Any Ke ...
Sequencer CR curve evaluating differently when navigating from parent sequence
UE - Anim - Anim in Engine - Mar 10, 2026Depending on whether I first open the level sequence that contains the control rig, or its parent level sequence, the animation curve will evaluate differently. ...
Regression for UPROPERTY specifier causing crash ("Template Mismatch during attachment") during PIE
UE - Foundation - Core - Jun 19, 2015If the UPROPERTY() specifier "VisibleDefaultsOnly" or "EditDefaultsOnly" is used on a component reference that is attached to the root component selecting the actor with this component in the world ...
Changing transforms to absolute in parent blueprint does not propagate to child blueprints in the level
UE - Gameplay - Blueprint - Oct 26, 2015If the transforms for a blueprint component are changed to "absolute" location and/or rotation, new child blueprints created will correctly show the absolute location/rotation changes, but the child ...
Hot Reload crash with Scene Component tied to Actor class
UE - Foundation - Core - Feb 19, 2015After creating a Scene Component code class and an Actor code class, creating a reference to the SceneComponent in the Actor class constructor will cause a crash on hot reload in the editor. ...
Upon editor restart, some Break Struct nodes display a string of letters & numbers
UE - Gameplay - Blueprint - Mar 25, 2015Update: 4/14/2015 Another report of this error: https://answers.unrealengine.com/questions/206466/blueprint-still-dirty-after-compile.html#answer-211801 =========================================== ...
[CrashReport] UE4Editor-Core.dylib!<Unknown>
UE - Platform - Apple - Jan 13, 2016Crash Reporter Link: [Link Removed] User's description in Crash Reporter: Clicked on the + button to GameModeOverride in the World Settings panel. ...
Compare Blackboard Entries returns incorrectly when comparing Enums
UE - AI - Apr 17, 2015While investigating an issue with enum comparisons breaking when the enum changes, I discovered that the comparison will not return true if set to "contains NOT EQUAL values" and the values are not ...
[CrashReport] UObjectBaseUtility::IsA | UObjectProperty::SerializeItem
UE - Gameplay - Aug 15, 2017This is a trending crash coming out of the 4.17 release. Update: also occurring in 4.18 User DescriptionsCompiled after Refreshing Blueprint node after changine its namePressed compile after creat ...