Unreal Engine Issues
Unreal Engine Issues
DefaultSceneRoot causes Get Actor Bounds to Return 128
UE - Gameplay - Jun 1, 2016When using the Default Scene Root component in a blueprint with no additional components, the box extent of the Get Actor Bounds node is returning 128,128,128 instead of the expected 0,0,0. If you ...
SpawnActor node evaluates pure inputs twice
UE - Gameplay - Blueprint - May 9, 2017When the node Spawn Actors from class is used with a pure input (in this case a pure function with a transform output) The result is that it get evaluated twice. In the test project provided a print ...
Custom depth does not render on static meshes converted to blueprint without render custom depth option enabled
UE - Graphics Features - Sep 21, 2017Custom depth does not render on static meshes converted to blueprint without render custom depth option enabled. This issue does not affect objects that are added as a component to a blueprint. To w ...
Cyrillic user name with Windows will prevent APEX cloth apb files from importing
OLD - Anim - Jan 29, 2015When the user name on Windows is set to cyrillic importing APEX cloth assets will fail. I'm not sure what other systems this may also affect, but adding a cloth apb asset to a skeletal mesh will cau ...
Crash using Import Commandlet on FBX that gets "Bones are too small" error when imported manually
UE - Editor - Content Pipeline - Import and Export - Feb 23, 2017Crash using Import Commandlet on FBX that gets "Bones are too small" error when imported manually Error from manual import: Warning The bone size is too small to create Physics Asset 'ButterflyVa ...
[CrashReport] UE4Editor_CoreUObject!UPackage::Save() [savepackage.cpp:4597]
UE - Gameplay - Blueprint Compiler - Jul 14, 2017This is a common crash affecting users in 4.16. Users have not provided additional information. Source Context// Set the parent index, ifthis export represents a UStruct-derived object 4589 ...
Pick New sprite option becomes unavailable if you change the view options
Tools - Jan 4, 2018The Pick New sprite option becomes unavailable if you change the view options to either tile or column when working with the keyframes of a 2D animation. This issue affects the project indefinitely ...
UProceduralMeshComponent::UpdateMeshSection does not call UProceduralMeshComponent::UpdateCollision
UE - Simulation - Physics - Apr 20, 2020Updating a procedural mesh results in an incomplete collision update. Collision bounds appear to get updated properly, but collision data is not updated, despite a navigation rebuild being triggered ...
Crash when running "MAP REBUILD ALLVISIBLE" with hidden sublevels and then changing maps
UE - World Creation - Worldbuilding Tools - Sep 1, 2025Running the MAP REBUILD ALLVISIBLE editor command when the current map contains hidden sublevels causes a crash upon changing maps. The issue seems to be related to hidden sublevels being cleared in ...
OCIO + nDisplay not producing expected output in Disguise
zComponent - Archive - Feb 19, 2026Based on [Link Removed] OCIO + nDisplay not producing expected output The issue is just that when using UE 5.6 or later the resulting colour looks off compared to what 5.5 and pevious versions wou ...