Unreal Engine Issues
Unreal Engine Issues
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. ...
When using object lit by the Indirect Lighting Cache sometimes the cache will not load correctly for movable objects when a level is streamed that contains a landscape
UE - LD & Modeling - Terrain - Landscape - Jun 26, 2015When setting up a scene with a persistent level and any sublevel that contains a landscape that is loaded via load stream level node in the level BP can cause the ILC to not be correctly assigned fo ...
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 ...
Source control syncing in editor will sometimes not update changes made to assets
Tools - Aug 25, 2015When using source control and attempting to sync the project, sometimes assets are not updated to the latest changes properly. This causes changes made to those assets later to override previous ch ...
D3D HUNG crash - FD3D11DynamicRHI::RHIReadSurfaceFloatData()
UE - Graphics Features - Jan 18, 2017This is one of the widespread D3D Hung crashes that have existed since 4.14. This particular callstack has affected around 300 users. The issue has been successfully reproduced on a home PC. Dxdi ...