Unreal Engine Issues
Unreal Engine Issues
Blueprints from UE4 with dangling delegate reroute node crashes on UE5 load
UE - Gameplay - Blueprint Compiler - Dec 22, 2023If a project from UE 4.27 or earlier has a blueprint with a reroute node dangling (no outgoing connection) from a Custom Event Node's delegate pin (red), this blueprint will crash when loaded in UE ...
Crash importing morph targets with animation and opening it in animation editor
UE - Graphics Features - Mar 31, 2017Lina encountered a crash when importing the attached FBX file with morph targets and animation, and then opening it in the animation editor. I was not able to reproduce this issue in QAGame (her re ...
ConstructorHelpers::FObjectFinder failing to compile with UPaperFlipbook
UE - Foundation - Core - Feb 21, 2017If ConstructorHelpers::FObjectFinder is used with UPaperFlipbook as its class specifier, compiling the code fails with the following error: Error C2664 'void ConstructorHelpers::ValidateObject(UObj ...
Split pins of Function inputs do not correctly update if variable type is changed
UE - Gameplay - Blueprint - Aug 30, 2017When using the inputs of a function, splitting a variable and then changing its variable type does not properly update the node as expected. This occurs with any variable type that can be split. Sav ...
[CrashReport] Ran out of memory - FFixedUObjectArray::PreAllocate()
UE - Foundation - Core - UObject - Sep 7, 2017This is a somewhat common crash affecting users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 165 if (GWarn) 166 { ...
Fix world to meters scale
UE - Platform - XR - Apr 11, 2018Is changing the world to meters in the current 4.19 AR template project supposed to affect the world, or is world to meters only for VR projects currently? We have project where a client wants us to ...
Crash occurs when renaming an asset that is used by Class Default Object
UE - CoreTech - UObject - 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 ...
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 ...
UE4Editor does not start when there are no audio devices available
UE - Platform - Linux - Sep 26, 2018UE4Editor does not open when there are no audio input or output devices available. The editor hangs at 83% after it initializes the AudioMixer. This issue looks like it was caused by CL 4396954. Et ...
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 ...