Unreal Engine Issues
Unreal Engine Issues
Unable to use TWeakObjectPtrs for the optional Old value for a repnotify function
UE - Foundation - Cpp Tools - UnrealHeaderTool - Oct 8, 2018A user has reported that Unreal Header Tool fails to parse a rep notify function properly when the optional parameter for the Old value is populated with a TWeakObjectPointer. Example of errors:Sev ...
Race condition whilst cooking material layers: Invalid DDC key
UE - Graphics Features - Oct 5, 2018When cooking the DDC key for a material layers parameter set may become invalid which causes issues reading/writing to the global material shader map and can lead to a crash. See original UDN post f ...
Changing Frame Buffer Pixel Format to Float RGBA makes the editor brighter
UE - Virtual Production - Oct 4, 2018The editor is very desaturated and bright when Frame Buffer Pixel Format is set to Float RGBA This does not occur when set to 8bit RGBA or 10bit RGB, 2bit Alpha ...
Crash upon attempt to create destructible mesh of EditorSphere or EditorCube
UE - Simulation - Physics - Destruction - Oct 4, 2018When attempting to create a destructible mesh from the Engine content folder, using the EditorSphere, or EditorCube Mesh will cause the editor to crash. However, other meshes from this folder such ...
AssetManager does not correctly call delegates if bShouldUseSynchronousLoad is true
UE - Gameplay - Oct 3, 2018There's a bug in UAssetManager::LoadAssetList where the passed in DelegateToCall is not being called in the bShouldUseSynchronousLoad case. This can cause gameplay logic to fail when that bool is tr ...
GameplayTask classes that have a BeginSpawningActor function never call the Activate function
UE - AI - Oct 3, 2018A class that inherits from GameplayTask which also has a BeginSpawningActor function will not have its Activate function fired properly. Removing this function causes it to fire properly. Regressio ...
BlueprintAuthorityOnly functions can incorrectly be called from a nativized, cooked client build.
UE - Gameplay - Blueprint Runtime - Oct 3, 2018If a nativized Blueprint event graph includes a call to a native, BlueprintCallable function that's also marked BlueprintAuthorityOnly, if the Blueprint is nativized, the function will incorrectly b ...
LLDB 2-byte char data formatter script fails in Android Studio
UE - Platform - Mobile - Oct 3, 2018Android Studio does not properly parse the UE4DataFormatters_2ByteChars.py distributed in 4.20. ...
Reference nodes for replicated components do not have the "replicated" corner icon
UE - Gameplay - Blueprint Editor - Oct 3, 2018Replicated components do not have a "replicated" icon on their reference node, similar to how replicated variables do. ...
Can change type of event dispatcher in Blueprint
UE - Gameplay - Blueprint Editor - Oct 2, 2018It seems that with 4.20 users are able to change a dispatcher's type from Multicast Delegate to something else (float, int, etc.) Doing so will cause any node that references the dispatcher via call ...