Unreal Engine Issues
Unreal Engine Issues
Crash from generated Merged Actor with no created lightmap UV
UE - Gameplay - Nov 11, 2016If you import a static mesh with no setup lightmap and uncheck the option for Generate lightmap UV so that only the UV Channel 0 is present. When you use the Merge Actor tool with a single one of th ...
Enhanced input user settings file on consoles may behave unexpectedly after login change
UE - Gameplay - Input - Feb 27, 2025The user settings seem to be initialized incorrectly. I think that this might be because, technically, when you log out and sign back in we might use the same ULocalPlayer in some cases on the conso ...
Creating a Blueprint out of existing Blueprints removes all assigned Static Meshes from components
UE - Gameplay - Blueprint - Aug 11, 2015Creating a Blueprint out of existing Blueprints removes all assigned Static Meshes from components. Reproduced in 4.8.3 binary, 4.9 Releases (//depot/UE4-Releases/4.9/Promotable-CL-2650750), and Ma ...
AreaFlags Empty During First PIE Session After Hot Reloading
UE - AI - Dec 12, 2016AreaID always seems to be empty during the first PIE session after hot-reloading. Only able to test in Dev-Framework CL# 3221683 due to the licensee's project being created in 4.15 and not being b ...
Packaging fails with Event Driven loader enabled and two function libraries reference each other
UE - Foundation - Core - Mar 29, 2017Packaging fails with Event Driven loader enabled and two function libraries reference each other even though the functions referenced in each library to NOT call each other in such a way as to creat ...
Typing Lerp into context menu of material editor does not bring up Linear Interpolate node
UE - Rendering Architecture - Materials - Jul 31, 2015If "lerp" is typed into the context menuof the material editor, "linear interpolate" will not appear as one of the options within the menu. Typing "Linear Interpolate" or pressing L+LMB works as exp ...
TBigInt allocates twice as much memory as necessary for FString input
UE - Foundation - Core - Jul 9, 2015TBigInt appears to allocate twice as much memory as necessary for the input. This produces an unexpected output of the input value. ...
r.ScreenPercentage.Editor does not function
UE - Graphics Features - Jun 2, 2016Setting r.ScreenPercentage.Editor does not affect the upsampling/downsampling of the viewport in the editor. Regression: YES - the console command correctly adjusted the screen precentage in 4.11.2 ...
Pressing "+" element in landscape grass type asset crashes editor
UE - LD & Modeling - Terrain - Landscape - Jul 31, 2015Creating a landscape grass type and then pressing the + to add an element crashes the editor. Frequency: 2/2 Crashreporter: not currently available ...
KismetFunctionLibrary: Equals and NotEquals (SoftObjectReference) not accessible in BP Editor
UE - Gameplay - Blueprint Editor - Sep 2, 2022In blueprint graphs, the action list for soft object references of a Object subclass is incorrect. "Equal" spawns an incompatible node, while the expected "Equal (SoftObjectReference)" is missing. " ...