Unreal Engine Issues
Unreal Engine Issues
Crash when double clicking on RowStruct's CurveEditor
UE - Editor - Applied Usability - Mar 15, 2024This problem can be reproduced with UE5.3 even after applying fix [Link Removed]. We have verified this issue with UE5.1 and it is not reproduced. ...
[AI] Destroying an actor while using pooled actors with MassActorSpawnerSubsystem causes a nullptr exception crash
UE - AI - Mass - Mar 19, 2023If an actor that is used in the pooled actor list of UMassActorSpawnerSubsystem is destroyed, it causes a nullptr exception in UMassActorSpawnerSubsystem::SpawnOrRetrieveFromPool. The subsystem atte ...
Setting a parent and child static mesh scale to negative effects the rotation on child when Snapped To Floor
UE - Gameplay - Jul 21, 2016Setting a parent and child static mesh scale to negative effects the rotation on child when Snapped To Floor Looks to be directly related to this JIRA: https://jira.ol.epicgames.net/browse/UE-3152 ...
Editor Crash after Compiling Primary DataAsset
UE - Gameplay - Blueprint Compiler - Feb 16, 2023After compiling a data asset blueprint, attempting to open the parent data asset will crash the editor. From licensee: This is because in FAssetEditorToolkit::InitAssetEditor() the objects in Objec ...
Reimporting static mesh doesn't respect changed lightmap settings
UE - Editor - Content Pipeline - Import and Export - May 11, 2023Licensee reports change of behaviour between UE4 and UE5 when reimporting a mesh after changing its lightmap build settings. Change of behaviour occurred in 17404767, which was to fix a similar pro ...
Cannot connect to source control on Linux
UE - Platform - Linux - Mar 30, 2015Pressing the "Connect to Source Control" Button on a Linux project does not open the "Source Control Login" window. Looking at the Message Log for source control it says that "Source Control is dis ...
Niagara - "Make Static" nodes do not seem to be working correctly.
UE - Niagara - Apr 7, 2025When a "Make Static" node is used in a Niagara Function Script or Niagara Module Script to supply the input value for a Static Switch Selector or, a Function Parameter, or a Function Parameter Defau ...
Skeletal meshes are not simulating physics
UE - Simulation - Physics - Feb 6, 2017Skeletal meshes do not simulate physics when playing in viewport. They are not affected by gravity, nor do they ragdoll. This doesn't occur in UE4/Main. This occurs with Immediate Mode Physics of ...
Alembic geometry cache doesn't import every frame when importing large frame ranges
OLD - Anim - Apr 13, 2017Alembic geometry cache doesn't import every frame when importing large frame ranges. Specifically when they don't start at frame 1. [Link Removed] ...
Pose is not updating when additive is applied
OLD - Anim - Apr 14, 2017When the user applies an additive base pose to a pose asset, the mesh does not update in viewport. This issue occurs in 4.15 and 4.16. ...