Changing foliage quality during runtime crashes editor/game

UE - World Creation - Worldbuilding Tools - Foliage - Oct 25, 2017

Editor will crash if a foliage type has Enable Scaling Density checked and user changes Engine Scalability Setting for Foliage during Runtime. Alternatively, if Foliage Quality is changed using a B ...

Crash when using a Self reference with a Custom Event variable

UE - Gameplay - Blueprint - Jan 19, 2017

Crash when using a Self reference with a Custom Event variable that is using Pass By Reference. The crash only seems to occur if the setup was created in the Player Controller class. This was origi ...

Launching from the editor can cause certain maps to become dirty and require saving and/or checkout

UE - Foundation - Core - Cooker - Sep 21, 2016

Using the launch option in the editor will cause some maps in the "List of maps to include in a packaged build" to become dirty and require checkout when in a project that is connected to source con ...

Permanent FPS Drop After Using High Resolution Screenshot With Planar Reflections

UE - Graphics Features - Mar 9, 2017

After taking a high res screenshot with a planar reflection actor in the scene the engine will experience a permanent performance hit relative to the resolution of the screenshot. For example if you ...

Build failing for users project with all platforms

UE - Gameplay - Blueprint - Feb 24, 2015

When attempting to package this project for a mobile device, the build with fail. I tested in main and 4.7 release and the build will always fail. Project: [Link Removed] Users log: https://ans ...

Grouped meshes appear to rotate when used in streaming levels

UE - World Creation - Worldbuilding Tools - World Composition - May 10, 2019

Grouped meshes appear to rotate when used in streaming levels. If the parent of the group has a rotation, it appears to pass this on to the rest of the group after the meshes are streamed in. As a n ...

Imprecise Rotation Values produced in the Details Panel when using the Rotation Widget in the Viewport

Tools - Mar 29, 2016

Starting with an asset (static mesh for instance) with a precise rotation value (such as a whole number) in the details panel will result in a imprecise, slightly fractional off value when rotated ...

Copy Reference option is broken on Linux

UE - Editor - Content Pipeline - Content Browser - Dec 28, 2016

Attempting to use the Copy Reference option from an asset's right click menu on Linux will clear the clipboard of any current value, but does not copy the reference back to the clipboard. This make ...

Crash: Landscape Materials Missing on Shipping and Development Packaged Builds

UE - Foundation - Core - Sep 9, 2019

When running a packaged build of a project with a level with a landscape that has a material assigned it will crash (shipping build) or not retain the assigned material (development build). There i ...

Lighting Scenarios Map Check warning about multiple skylights not supported

UE - Graphics Features - Dec 5, 2016

When using Lighting Scenarios and placing a skylight in the lighting scenario levels when you build lighting there will be a map check warning that "Multiple sky lights are active, only one can be e ...