Correct Morph Targets animate in PIE, but not in Standalone Game

OLD - Anim - Mar 5, 2015

Wrong morph targets are animating in standalone game, but the right ones play in PIE See the Additional Info URL for the user's description (and youtube video) Here is the project: [Link Removed] ...

A Child PlayerCharacter BP in this project resets its assigned Anim BP to 'None' on restarting the project

UE - Gameplay - Blueprint - Jul 16, 2015

A Child PlayerCharacter BP in this project resets its assigned Anim BP to 'None' on restarting the project. The user reports that the Skeletal Mesh will also occasionally reset to None. I have not b ...

Moving the camera around with click-drag in this project during Standalone or in packaged games causes choppy camera movement. This does not occur in standard PIE.

UE - Gameplay - Nov 27, 2015

Moving the camera around with click-drag in this project during Standalone or in packaged games causes choppy camera movement. This does not occur in standard PIE. Test project attached. Notes from ...

This user's Function Library will not save

UE - Gameplay - Blueprint - Mar 6, 2015

This user's Function Library will not save. Hitting save returns the following error: Can't save D:/4.7_Projects/EngineTransientBug 4.7/Content/Math.uasset: Graph is linked to private object(s) in ...

Crash when adding multiple collision types to a mesh

Tools - Jan 27, 2017

Adding various collision types to a single mesh will cause it to hard crash the editor. No Crash Reporter window will open. Note that this happens with the user's mesh, but I was not able to repro ...

'Platform Stats' incorrectly display the number of Texture Calls for a material

UE - Rendering Architecture - Materials - Jul 29, 2024

When the DBuffer is disabled in the project settings, the Material Editor Stat page will still display the estimated texture lookups for the DBuffer. It appears that the code that adds these estimat ...

Hang when using Debug config with Launch On to Android

UE - Platform - Mobile - Mar 18, 2019

Final bits of logging show:D/UE4 : [2019.03.18-16.36.59:236][ 0]LogInit: Display: Starting Game. D/UE4 : [2019.03.18-16.36.59:236][ 0]LogNet: Browse: /Game/FirstPersonCPP/Maps/FirstPerson ...

Editor FPS has significant drop when moving a BSP brush in level with multiple BSPs

UE - AI - Navigation - Jan 8, 2025

Editor performance plummets when moving BSP brushes in a level with several other BSP brushes present. Navmesh regeneration is the main cause as the full bounds for all BSP are used to determine whi ...

Post processing rendering artifacts Nexus 6

UE - Platform - Mobile - Dec 3, 2015

When you push a mobile targeted project to the Nexus 6, the rendering is all sorts of wrong. When you hover over to where the items are, the screen goes black. There is also a large black or cyan sp ...

Crash when running "MAP REBUILD ALLVISIBLE" with hidden sublevels and then changing maps

UE - World Creation - Worldbuilding Tools - Sep 1, 2025

Running the MAP REBUILD ALLVISIBLE editor command when the current map contains hidden sublevels causes a crash upon changing maps. The issue seems to be related to hidden sublevels being cleared in ...