Unreal Engine Issues

Custom Water Body does not work with its own Distance Culing

WaterBodyCustom seems not to work with Distance Culling settings on its own actor, either Draw Distance/Never Distance Cull or Allow Cull Distance Volume.  It only can be controlled by the CullingD ...

Ctrl + z still active in PIE

Users can select ctrl + z while playing in Editor causing PIE to stop and undo last change, often freezing the editor temporarily, and sometimes causing a crash. Workaround: This does not occur if ...

SceneCaptureComponents do not respect changing visibility or hidden in game for their preview mesh

Controller Assignments appear incorrect for UI when "Skip Assigning Gamepad to Player 1" is set to true

When using a controller to navigate/ interaction with UI it appears that the "Skip Assigning Gamepad to Player 1" option is not taken into account when assigning input for UI. ...

Instanced Static Mesh instance with negative scale has black lighting

[Image Removed] The image above was the results after building lighting.The far right spheres all have negative scaling(-1 on Y) and reverse culling checked and are instanced.The middle set of sphe ...

WPO is incorrectly generated on materials using Material Attributes as input to Landscape Layer Blend node

This comes from this UDN : [Link Removed] It occurs with this setup :  [Image Removed] , where Set Material Attributes expressions act as inputs to the Landscape Layer Blend material expression. ...

Distance Fields no longer work with instances when PIE/Simulate

When using distance fields with instance meshes from the foliage tool everything works correctly, however, when simulating or PIE the distance fields will be removed. This working correctly in 4.7.5 ...

Skeletal mesh always registers as Dynamic when testing collision

Skeletal meshes do not respect collision changes from World Dynamic, always returns as Dynamic. Regression (no) issue (does) occur in 4.12.5 ...

MDL imported from Substance Source with Datasmith causes a crash

MDL downloaded from Substance Source causes a crash. This is reported on UDN by an Enterprise customer: https://udn.unrealengine.com/questions/487598/why-would-ue4-is-always-crashing-when-import ...

Current animation asset is lost in animation preview when a post process anim BP is compiled

UDebugSkelMeshComponent and PreviewInstance are lost current animation asset. There are 2 ways to fix below void UDebugSkelMeshComponent::InitAnim(bool bForceReinit) { // If we already have Pre ...