Unreal Engine Issues
Unreal Engine Issues
HLOD fading reset after view reset
UE - Engine Scaling - Streaming - HLOD - Jan 24, 2024From licensee:When the player pawn teleports inside a structure that is a HLOD, the dithered HLOD fading transition is not properly reset so we can see it re-starting to fade, from the inside. Our ...
Sequencer causes 3DWidget on BP vectors to snap to Actor when active
zComponent - Archive - Nov 15, 2025When we have Vectors in BP with Show 3D Widget enabled, the Transform Widget would always snap back to the Actor after we move the 3D Widget in-world. [Link Removed] Removing the _DaySequenceActor ...
DFAO in 4.9 has significant artifacts on some machines
UE - Graphics Features - Jul 30, 2015Reported in this threadhttps://forums.unrealengine.com/showthread.php?78320-4-9-Horrible-DFAO-artifacts This looks to be a machine specific issue. I'd like to get some testing on different video c ...
Input Axis Continues to Fire After Standalone Window Loses Focus
UE - Editor - UI Systems - Slate - Feb 17, 2016When using an input axis for a task such as moving a character, losing focus on the standalone window while holding the key does not stop the axis from firing, which means the character will continu ...
Engine/Extras/MayaLiveLink not provided in install directory
OLD - Anim - Nov 19, 2018According to the Maya Live Link documentation, the zip file should be provided in the engine installation. https://docs.unrealengine.com/en-us/Engine/Animation/Live-Link-Plugin/Connecting-Unreal-Eng ...
Crash occur when using AddSpawnableFromClass with BlueprintGeneratedClass specified
UE - Anim - Sequencer - Aug 13, 2019BlueprintGeneratedClass is not based UBleupint. So the following code is failed. bool UActorFactoryBlueprint::PreSpawnActor( UObject* Asset, FTransform& InOutLocation) { UBlueprint* Blueprint = ...
Transform node which transforms a vector from mesh particle space to world space in vertex shader doesn't work on ue4.25
UE - Niagara - May 27, 2020Transform node which transforms vector from mesh particle space to world space in vertex shader always returns 0. In ue4.24, it works fine. This behavior has been changed in CL#12558699. Removing f ...
Details View loss of expansion state on container changes
UE - Gameplay - Blueprint Editor - Aug 3, 2020From the UDN post: When the new entry is added, the entire tree gets wiped out as a result of the CDO swap, and when these update methods run it leaves the tree in a default expansion state. (Effect ...
Creating/Destroying UWorlds rapidly can cause dangling pointers from UAutoDestroySubsystem
UE - Gameplay - Aug 10, 2020To summarize what I'm seeing there, a bunch of UObjects relating to that world have been destroyed but not all destructed. The UAutoDestroySubsystem pointer is still on the static tickable list, and ...
Pressing the focus key twice in a Niagara System's preview window causes the preview to lose orbit around the system when moving
UE - Rendering - Architecture - Niagara - Apr 18, 2022Pressing the focus key twice in a Niagara System's preview window causes the preview to lose orbit around the system. Upon pressing the focus key again, the orbit remains lost. Alt + Left-Click also ...