LineTraceComponent does not respect bEnablePerPolyCollision

Physics - Feb 26, 2019

USkeletalMeshComponent::LineTraceComponent does not properly consider bEnablePerPolyCollision. It appears to use the component's bodies, which are empty. It should be sufficient to use UPrimitiveCom ...

Moving .uassets that were imported from a source file with Source Control active moves the source file without marking for add

Tools - Feb 26, 2019

A licensee has reported an issue with Perforce source control integration. The issue is related to the source file for an asset that was imported into the editor. If this source file is also checked ...

Crash When Setting a Bool in a Niagara Parameter Collection via Blueprint

Rendering - Niagara - Feb 26, 2019

The Editor will crash when setting a bool in a Niagara Parameter Collection via Blueprint. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5159901, 4.23 CL# 5194133 ...

ENGINE_API missing from GeomSweepMulti and GeomOverlapMulti templates

Physics - Feb 25, 2019

GeomSweepMulti and GeomOverlapMulti are not being exported, as the template specializations are declared outside of the physics interface class without ENGINE_API. ...

FPS drop after highresshot console command

Rendering - Feb 25, 2019

Running the highresshot command with a multiplier of 6 or higher results in poor performance for the remainder of the Editor instance. Closing the PIE window does not improve performance, only closi ...

Orientation setting does not respect user's settings on Android

Platform - Mobile - Feb 25, 2019

The Orientation setting in the editor for Android phones does not respect the user's settings. Despite "Auto-rotate" being turned off, the orientation of the UE4 app will change if it is set to do s ...

Cannot move in Blueprint window on Breakpoint hit (only when 'use mouse as touch' is enabled)

Tools - Slate - Feb 25, 2019

When triggering a breakpoint while Use Mouse for Touch is enabled the navigation functionality is lost within that Blueprint. ...

Unable to edit blueprint instance's components when attached to another actor

Gameplay - Blueprint - Feb 22, 2019

Attempting to edit the properties of a component on an instance of a Blueprint class that initializes its RootComponent in its Constructor and is attached to another actor in the level results in od ...

Child Actors are not replicated to clients when the parent blueprint is nativized

Gameplay - Feb 22, 2019

Child actors do not replicate properly to clients when their parent blueprint is nativized. Regression?: Yes This did not occur in 4.20.3 See also UE-70343 ...

Nearest Filtering on Vulkan doesn't work on some kinds of Android Devices

Platform - Mobile - Feb 21, 2019

The licensee reported "Nearest" filtering on Vulkan doesn't work on some kinds of Android devices.[Image Removed] I was able to repro this issue on Pixel3 but wasn't able to repro it on Xperia X Pe ...