Unreal Engine Issues

Crash when playing with Vulkan Mobile Preview

Occasionally getting a crash when playing with Vulkan Mobile Preview. Have not had it repro 100% of the time. ...

Crash in WP conversion commandlet on map containing geometry brushes

[CrashReport] FPhysicsAssetEditorSharedData::FPhysicsAssetEditorSharedData

This is a trending crash coming out of the 4.18 release, and may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2290 #end ...

Collision for bsp stays in level after bsp is deleted

If a bsp brush is deleted from a level, the level has geometry built, and the user presses play then uses the "show collision" console command, the collision for the bsp wlil still appear. This does ...

Changing hierarchical instanced meshes' transforms on tick spams output log with warning

When several Hierarchical Instanced Mesh Components are spawned and then their transform altered on tick, the log is spammed with the message: LogStaticMesh:Display: Discarded foliage hierarchy of ...

Changing the scale of the widget reflector makes it harder to select actors in the viewport

When changing the scale of the widget reflector it changes the scale of the selection bounds of actors in the viewport. Example: When hovering over a box at a 2.0 scale I will select the wall someti ...

User cannot undo the automatic changing of Mobility settings

When the users causes a component to automatically change its Mobility setting by changing that setting on a parent or child component, undoing that change only affects the manual change caused by t ...

Distance to Opacity Curve Does Not Influence Material Billboard

The material billboard component does not get influence by the distance to opacity feature. In the project attached I created a curve that should get to an opacity value of 0 at 500 units away. Noti ...

Deactivated Skeletal Mesh Component Plays Animation

Animations on skeletal mesh components set to use an animation asset still play even when the component is deactivated. Found: 4.17 Reproduced: 4.16.3 & 4.18 Main CL# 3585944 ...

Scene Capture 2D Invisible When Mobile MSAA Enabled

UDN Licensee (UE4.16) changed rendering settings from MSAA "none" to MSAA x4, resulting in Scene Capture 2D not showing up in mobile preview mode. I have reproduced same results in 4.17 and 4.18. ...