Unreal Engine Issues
Unreal Engine Issues
Camera Fade does not work when HDR is enabled
UE - Graphics Features - Sep 24, 2019This issue only occurs when HDR is enabled. If it is not HDR, Camera Fade will work. The setting of the sample project is switched by Level Blueprint.[Image Removed] ...
Landscape Tessellation Issues
UE - LD & Modeling - Terrain - Landscape - Sep 23, 2019We are having a display issue with tiled landscapes displaying well below full tessellation in editor, but displaying fine in game. We can "fix" this issu by unchecking "Use Default Falloff" in deta ...
Landscape Layer Blend generates bad code for preview shader
UE - LD & Modeling - Terrain - Landscape - Sep 23, 2019It breaks only when compiling the preview shader. Adding a preview weight to the Layer0 on the Layer Blend node fixes the problem. The source of the bug is in UMaterialExpressionLandscapeLayerBlend ...
Choosing Supported Platforms "Desktop (Win+Max+Linux)" Still Warns Against Packaging for those Platforms
Tools - Sep 23, 2019Only checking the Desktop (Win+Mac+Linux) option in supported platforms for packaging results in warnings. Even though this one option should cover all three desktop platforms it still causes a warn ...
"Weld Simulated Bodies" Collision flips when welding Skeletal mesh to Static Mesh
UE - Simulation - Physics - Sep 20, 2019Collision flipped when welding a skeletal mesh to a static mesh. Welding Skeletal mesh as parent actor does not cause collision to flip. Showflag.Collision 1 shows correct collision. (However px ...
Upgrading from 4.22 to 4.23 can break emitter inheritance
UE - Niagara - Sep 20, 2019Copied emitters will have their inheritance broken when migrating from 4.22 to 4.23. ...
The Left Mouse Button Pressed event is not firing when Input Mode Game Only is set and Show Mouse Cursor is true
UE - Editor - UI Systems - Slate - Sep 20, 2019The Left Mouse Button Pressed event is not firing when Input Mode Game Only is set and Show Mouse Cursor is true. Attached is an example project (4.23) that demonstrates the issue. Found in 4.23.0 ...
Material Translator Uniform Folding Is Not Operating Properly
UE - Graphics Features - Sep 19, 2019Uniform folding is not working with material parameter collections along with one additional unnecessary instruction generated. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, 4.24 CL# 8748719 ...
Asynchronous Image Loading from Disk Documentation leads to memory leak
Docs - Sep 18, 2019The documentation example to create your own asynchronous image load from disk results in a memory leak that is noticeable using the task manager. ...
Crashes when copying an array of actors that implement an interface into an array of interface references
UE - Gameplay - Sep 17, 2019When assigning an array of actors that implement a specific interface to an array of the specific interface the engine crashes. This doesn't happen if the actor array is put through a for each loop ...