Unreal Engine Issues
Unreal Engine Issues
UAnimNotify::Notify not called during USkeletalMeshComponent interaction with UPhysicsControlComponent when PhysicsBlendWeight is zero
UE - Anim - Synthesis - Physics Control - Mar 30, 2025UAnimNotify::Notify not called during USkeletalMeshComponent interaction with UPhysicsControlComponent when PhysicsBlendWeight is zero. The licensee has provided his analysis of the code: If USkelet ...
ARKit: Metal Desktop Renderer + Metal v2.1 = Black View
UE - Platform - XR - Jan 26, 2020If Metal Desktop Renderer and Metal v2.1 are both active, the AR passthrough camera renders as black. Issue not observed if only 'Metal Desktop Renderer' or 'Metal 2.1' is selected Issue not obs ...
When Mobile Deferred Shading, the DBuffer Decal is affected by metallic value
UE - Platform - Mobile - Jul 22, 2021Use Deferred Shading (r.Mobile.ShadingPath=1) Enable DBuffer Decal All Lights’s mobility is Static Decal Material settings : Material Domain - Deferred DecalBlend Mode - TranslucentDecal Blend Mo ...
[Bug] 4.7.0 preview 5: Cannot add events for the main component of the SkeletalMeshActor
UE - Gameplay - Blueprint - Feb 9, 2015In UE4.7 Preview 5, cannot add events for the main component of the SkeletalMeshActor. (see screenshot.) ...
Editor Crashes on Startup After Enabling Forward Shading When r.LightPropagationVolume=1
UE - Graphics Features - May 4, 2018If r.LightPropagationVolume=1 in ConsoleVariables.ini, enabling forward rendering and then restarting the editor results in a crash. This occurs in 4.18.3 and 4.19.2. ...
mobile DOF setting is not applied when play on standalone mode
UE - Platform - Mobile - Feb 20, 2023In 5.0, the mobile depth of field settings were correctly reflected when running standalone. However, in 5.1, the DOF doesn't appear to be working correctly and the focus is off, causing a blurry im ...
Static mesh LODs other than LOD0 cannot be set to screen sizes greater than 1
Tools - Jan 26, 2017Static mesh LODs other than LOD0 cannot be set to screen sizes greater than 1 From this AnswerHub thread: https://answers.unrealengine.com/questions/525398/hismc-bug-always-show-lowest-lod.html ...
ResavePackages Commandlet Consistently Crashes in 5.3 In Material PreSave
UE - Rendering Architecture - Materials - Feb 20, 2024Running the ResavePackages commandlet will consistently result in a crash. The callstack is here: Assertion failed: !IsRooted() [Link Removed] [Line: 265] UnrealEditor_Engine!UMaterialInterface::P ...
SetControlRotation does not affect VR
UE - Platform - XR - Oct 1, 2015Using a Set Control Rotation node does not change the camera rotation when in VR mode. ...
Content Examples: Example 1.6 broken collision - Cloth Map
UE - Simulation - Physics - Character - Apr 26, 2017Example 1.6 on Cloth Map seems broken. Both Assets clip when twisting when they're supposed to be examples of Self Collision. Regression: Yes Works in 4.15 ...