Unreal Engine Issues
Unreal Engine Issues
Loading a map via File->Open Level... when it is already loaded in World Composition view does not reset actors to origin
UE - World Creation - Worldbuilding Tools - World Composition - May 14, 2019Loading a map via File->Open Level or just by clicking on it to open it, when it is already loaded in World Composition view does not reset actors to origin. The actors instead keep the same positio ...
Construction script does not properly reset array count
UE - Gameplay - Oct 28, 2019It appears that in UE 4.23, some specific arrays in construction scripts are no longer cleared automatically and retain references to TRASH objects from the previous construction script calls. This ...
Crash occurs when renaming an asset that is used by Class Default Object
UE - Core - Systems - Nov 23, 2021Not a regression. Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced //UE5/Release-5.0-EarlyAccess CL16682836 Binary - Reproduced Fro ...
Reimporting of skeletal mesh results in a scrambled skeletal mesh
UE - Editor - Content Pipeline - Import and Export - Oct 17, 2025When we reimport our skeletal meshes with updated FBXs, the resulting skeletal mesh is scrambled up. See Scrambled.jpg attached. This does not affect every single reimport but happens randomly. W ...
Too large project icon image causes engine to crash
Tools - Apr 27, 2015The engine will crash if you upload a project icon that's way too large for the 192x192 area. It'll also crash when you open that project back up and try to access the project settings ...
Duplicated TextureLoadVirtualPageTable in GetCustomData functions in generated HLSL add to the total instruction count due to TextureLoad having side effects
UE - Rendering - Architecture - Materials - Dec 4, 2024When using materials with CustomData inputs, such as the Eye material with Iris Distance and Mask, Virtual Texture samples will increase the instruction count for each unique VTPageResult. Each cus ...
Keyboard Shortcuts for Blueprint Editor Do Not Appear until Opening Blueprint
Tools - Feb 11, 2015In any newly opened project the 'Keyboard Shortcuts' within the 'Editor Preferences' for the 'Blueprint Editor' do not appear until you have opened a blueprint within the project. After closing and ...
Mouse cursor will not change unless a mouse button is being held down.
Tools - Dec 5, 2014Changing the mouse cursor depending on what it is currently over only happens if a mouse button is also being held down. This worked normally in version 4.5.1 WORKAROUND: In UGameViewportClient::Ge ...
Can no longer bulk edit material properties with the property matrix
UE - Editor - Content Pipeline - Content Browser - Aug 24, 2015In 4.7 you could select multiple material assets in the content browser, right click and choose Asset Actions > Property Matrix to bulk edit material properties, but in 4.8 and 4.9, this feature is ...
Scene Capture 2D Actor causes Flickering on Windows 10 when Launched in Standalone
UE - Graphics Features - May 2, 2016Screen/Playable window flickers when playing in Standalone on Windows 10. A few users are reporting this issue which is exclusive to Windows 10 and Standalone mode. There is another issue the could ...