Unreal Engine Issues
Unreal Engine Issues
Cook failure when World Partition maps have level instances using level blueprints
UE - World Creation - Worldbuilding Tools - Level Instances - Mar 14, 2022The following cook error results from attempting to package a WP map that has level instances using level BPs: LogCook: Error: PackageSplitter found the Generator package still in memory after it ...
Refraction can't be set using SetMaterialAttributes node in a material function.
UE - Rendering Architecture - Materials - Mar 14, 2022From the UDN: Currently, I'm using UE5, but I've seen this issue occur in UE4 and I don't see any other posts on UDN about this. Refraction can only be set in material functions if using the MakeMa ...
MaterialExpressionLandscapeLayerBlend with material attributes as inputs, the output material attributes have wrong sizes
UE - Rendering Architecture - Materials - Mar 14, 2022From the UDN ticket: When using MaterialExpressionLandscapeLayerBlend with material attributes as inputs, the output material attributes have wrong sizes: ie output Normal attribute cannot be conve ...
[CrashReport]UnrealEditor-Bridge!void TSparseArray<TSetElement<TTuple<FString,AStaticMeshActor *> >,TSparseArrayAllocator<TSizedDefaultAllocator<32>,FDefaultBitArrayAllocator> >::Empty(int) [SparseArray.h:366]
Quixel - Mar 14, 2022Generated from CrashReporter Error Message: Assertion failed: IsValid() [File:D:\build\++UE5\Sync\LocalInstall\Engine\Source\Runtime\Core\Public\Templates\SharedPointer.h] [Line: 1008] ...
ChunkDownloader does not support Apple's On-Demand Resources
UE - Platform - Apple - Mar 11, 2022ChunkDownloader etc are meant to work with your own hosting or CDN, ie something you can download with a https:// URL. Even though [Link Removed] system does appear to be https, ChunkDownloader does ...
Installed builds of the Engine cannot package game targets with optional game features
UE - Foundation - Build - Rocket (Installed Engine) - Mar 10, 2022The build system supports many types of flags that can be enabled in game-specific Target.cs files to enable things like logging in shipping, target-specific overrides like custom config, or enablin ...
Selecting a spline point of a Spline Component using the Select Spline Points buttons in the Spline's details panel causes issue when trying to manipulate the same or different spline point in the view port.
UE - Editor - Workflow Systems - Mar 3, 2022The situation of using the new feature causes an old feature to stop working correctly making it a regression. Selecting a spline point of a Spline Component using the 'Select Spline Points' button ...
Noticeable input delay at lower FPS while Playing in Editor
UE - Editor - UI Systems - Mar 1, 2022When playing in editor is running at a lower fps (<20) there is very noticeable input delay that wasn't present in 4.27.2. Works correctly while playing in Stand Alone or Packaged. Tracked this iss ...
FEditorFileUtils::SaveCurrentLevel returns true even when it fails
UE - World Creation - Worldbuilding Tools - Feb 25, 2022In FEditorFileUtils::SaveCurrentLevel, we set the default return code as true (success) before checking validity of the current level or seeing if PromptToCheckoutLevels is successful. If we're unab ...
Misleading error message while attempting to drag in a BlueprintCallable Function into an Event Graph
UE - Gameplay - Blueprint - Feb 23, 2022An error message informs the user that a function does not have the BlueprintCallable keyword if the same function is using a native to blueprint communication keyword. The function/keywords are b ...