Material Ambient Occlusion Does Not Work With Skylight Set to Movable

UE - Graphics Features - Jul 27, 2018

Material ambient occlusion does not work with the skylight set to movable. Setting the material to allow static lighting will fix the issue until the level is reloaded. Found in 4.19 CL# 4033788, 4 ...

Garbage Collection crash on Compile attempt

UE - Foundation - Core - Nov 6, 2015

Attempting to compile anything in the editor (blueprint, widget, level bp, etc) will cause the editor to crash. Project Link: [Link Removed] Crash Reporter: [Link Removed] Note This has only been ...

Attempting to open a map in content browser that is currently loaded in world composition browser crashes editor

Tools - May 12, 2015

Attempting to open a map through the content browser will crash the editor if that map is opened as a sublevel or the currently opened map through the world composition browser. Frequency: 2/2 Cr ...

Using a discreet graphics card on a laptop causes context menus to duplicate

UE - Editor - UI Systems - Slate - Sep 2, 2015

Context menus in the editor (such as right-clicking in the Content Browser) will cause duplicate menus to appear when you hover over a section that makes an extra menu appear. Note: This has only b ...

Dark Artifacts Appear On Meshes With "Use As Occluder" After Enabling DBuffer Decals

UE - Graphics Features - Feb 13, 2017

Objects set to "us as occluder" will create dark artifacts from certain view angles. For this to occur "DBuffer Decals" need to be enabled in the project settings. The licensee has noted that addi ...

Incorrect restitution behavior for physical material set to 1 whereby momentum is gained during the simulation

UE - Simulation - Physics - Mar 24, 2015

Setting a restitution of 1 for a ground material and a restitution of 1 for a ball that bounces on the ground should keep the ball bouncing at the same height consecutively. Over the course of time ...

Expanding a Parent Folder, Opening a Child Folder, and Collapsing the Parent Folder Displays All Assets

UE - Editor - Content Pipeline - Content Browser - Oct 2, 2015

In the content browser, expanding a parent folder, selecting one of its child folders, and then collapsing the parent folder will cause all of the assets to display in the content browser, including ...

Mouse Position doesn't properly update on tick when framerate is low in standalone game

UE - Editor - UI Systems - Slate - Dec 11, 2015

If a game is run in the standalone editor and the FPS drops to ~20-30 FPS, pressing an event such as LMB and returning the mouse position on tick will cause the tick to jump inconsistently. Note: ...

Max tick rate not being enforced in the standalone game

UE - Gameplay - Dec 29, 2014

The original bug report is unclear – of course framerate of the game on PC will not match device – but QA has found a bug here. Seems like the game thread max tick rate is not being enforced in the ...

Landscape cooked heightmap and Physical Material mismatch

UE - LD & Modeling - Terrain - Landscape - Jun 19, 2015

Several users have reported crashes where the Heightfeild loaded from the DDC and physical material list do not match. Suggest adding the number of physical materials to part of the cooked heightma ...