Unreal Engine Issues
Unreal Engine Issues
AssetManager ModifyCook does not correctly apply PrimaryAssetLabel references
UE - Foundation - Data Pipeline - Cooker - Feb 10, 2022Right now the AssetManager uses different logic in ModifyCook vs VerifyCanCook, specifically related to secondary assets like textures or maps that are indirectly loaded by soft object paths and are ...
PlayMontages can break after binding an actor with an AnimInstance inside a LevelSeuqence.
UE - Anim - Sequencer - May 28, 2025When an Animation Sequence is overridden by a LevelSequence, and later reverts to its original animation state, the AnimInstance fails to properly reinitialize. This prevents subsequent animation lo ...
Crash While Compiling Blueprint in FBlueprintEditorUtils::RefreshExternalBlueprintDependencyNodes()
UE - Gameplay - Blueprint - Jun 7, 2016Having an actor blueprint (A) that contains an array variable of references to another actor (B) that is connected to a Length node and a Vector array that is connected to a ForEachLoop causes bluep ...
High GPU Memory Consumption when Moving an actor that contains a SceneCapture2D
UE - Graphics Features - Mar 29, 2017When using a SceneCapture2D within blueprints (as a component or actor blueprint) and moving the blueprint around while placed in the world (Capture Every Frame and Capture on Move enabled). The mem ...
Cannot debug code projects in the binary engine
UE - Foundation - Cpp Tools - UnrealBuildTool - Jun 6, 2017Code projects in the binary version of 4.16.1 cannot be launched without the Editor in the debugger in Visual Studio. The project hits a breakpoint while launching, with the following showing in the ...
Actors are not properly restored when undoing a Replace Selected Actors transaction
UE - Gameplay - Components - Jul 22, 2020When undoing a Replace Selected Actors operation, the resulting actor is corrupt and triggers an ensure where the root component is in the process of being destroyed. This is a regression that poppe ...
Crash when attempting to convert a sequencer actor into a BP Class
UE - Anim - Sequencer - Nov 15, 2016Error message: Assertion failed: IsValid() [Link Removed] [Line: 752] Source Context: 738 return *this; 739 } 740 741 /** 742 * Converts a shared ...
Calling a parents function that is used in a child blueprint from a spawn actor from class node that is being called back in the parent will cause an error
UE - Gameplay - Blueprint - May 14, 2015If the user calls a function (We will call it "Parent's Function") from a child blueprint and then turns around and tries to call that implementation of the Parent's Function with in the parent it's ...
Landscape Grasstype warning causes log spam when landscape is streamed in or out
UE - LD & Modeling - Terrain - Landscape - Nov 16, 2016Using the Landscape Grasstype will generate log spam for the number of Landscape components being used or if using World Composition will generate a log warning for each tile used. The warning ind ...
Foliage LODs do not appear to use the base LODs lightmap any longer
UE - World Creation - Worldbuilding Tools - Foliage - Dec 16, 2016LODs used with the Foliage Tool are no longer being shadowed accordingly with their baked lighting from their base LOD. Originally they would stay consistently lit, where as now the lower LOD transi ...