Unreal Engine Issues
Unreal Engine Issues
When creating an asset from an Emitter with a scratch module, changes to the new module will not propagate
UE - Niagara - Jun 21, 2021A scratch module made in an emitter, will not reflect the changes of its new parent when an asset is crated from the emitter. ...
Distance Field AO from Moveable Skylight (non-Lumen) invalidates AO incorrectly with a screenspace offset to the right of moving objects
UE - Rendering - Features - Mar 25, 2025When Global Illumination is set to “None” in the project settings the ambient occlusion does not correctly render shadows for moving objects. This has been observed in versions 5.4 and above. ...
Standalone Level Instance with WorldPartition world don't load in editor
UE - World Creation - Worldbuilding Tools - Level Instances - Dec 2, 2025A WorldPartition map used as a level instance that's set to standalone mode doesn't load its actors in the editor. ...
The World Outliner doesn't refresh after Seamless Travel
Tools - Apr 27, 2015The World Outliner doesn't refresh after Seamless Travel. Enabling any of the View Options will refresh the list to properly show the actors in the current level. Reproduced in 4.7.6 binary and Mai ...
Scrubbing Playback Speed under Geometry Cache in the details panel is too sensitive
UE - Gameplay - Sep 30, 2016Scrubbing Playback Speed is very sensitive and even a small mouse movement will cause playback speed to jump way too much. This makes it very hard to set it to smaller values and mostly a usability ...
RecreateLandscapeCollision console command regenerates collision over landscape holes
UE - LD & Modeling - Terrain - Landscape - Feb 13, 2015Using console command 'RecreateLandscapeCollision' resets collision in areas that landscape hole materials have been placed. Workaround: paint new hole material to re-remove collision from areas w ...
HISMC always shows lowest LOD
UE - World Creation - Worldbuilding Tools - Foliage - Nov 22, 2016User report: HISMCs are currently broken in master. They always show the lowest LOD available for a mesh, so if you have a HISMC with a tree mesh set, you would always see the billboard of the tree ...
Shift+Tab does not bring up Steam overlay when Steam VR is running
UE - Online - Mar 14, 2017Shift+Tab does not bring up Steam overlay when Steam VR is running ...
[CrashReport] UE4Editor_Engine!UHierarchicalInstancedStaticMeshComponent::BuildTreeIfOutdated
UE - World Creation - Worldbuilding Tools - Foliage - Jun 8, 2017This is a common crash occurring in the 4.16 release. It seems to be related to applying a material to a mesh that is being used in Foliage. Crash Reports are spread out among many different Crash ...
Copy and paste State in the state machine do not correctly refresh synced objects when it have transition rule(fraction)
OLD - Anim - Apr 12, 2017Copy and Paste action in State machine do not generate correct info for "AnimGraphNode_SequencePlayer_20" Name for "AnimGraphNode_SequencePlayer_#" in the duplicated state is not changed to corresp ...