Unreal Engine Issues

Crash when deleting mesh instances of a HISM component

When trying to delete an existing (and saved) mesh instance from a Hierarchical Instanced Static Mesh component the Editor crashes due to a failed assertion, however clearing all instances does not ...

Sequencer doesn't update Light color track

Editor compile failure in UnrealEngineHTML5 -- unsafe use of type 'bool'

Severity Code Description Project File Line Error ...

Crash if the setting of PhysicalAnimationComponent is changed in the same frame as teleport processing

Crash when ApplyPhysicalAnimationProfileBelow node and UPhysicalAnimationComponent :: UpdateTargetActors by UPhysicalAnimationComponent :: OnTeleport run in the same frame. Because RuntimeInstanceDa ...

SSH key generation fails when Windows user home directory contains a space

Nanite Meshes aren't visible when using Optimization Viewmodes

Nanite Meshes aren't visible when using Optimization Viewmodes. This also occurs in the Main Editor viewport as well if the Nanite Asset is dropped in the level and the Optimization Viewmode is set ...

The Alignment large than the PageSize causes crash on IOS with MallocBinned

Same lightmap textures are listed mutiple times in Lightmaps of WorldSettings

Same lightmap textures are listed multiple times in Lightmaps of WorldSettings. It seems that it just showes the same texture mutiple times but there is only one texture. [Image Removed] ...

Scrolling through the ListView inadvertently displays duplicate elements

When a ComboBox is set as elements in a ListView, it can see that the option is set to the wrong element when selecting the ComboBox.  ...

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

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 ...