Unreal Engine Issues

Memory leaks at changing lighting scenarios

The engine does not free the LevelRenderAssetManagers array elements in FRenderAssetStreamingManager when changing lighting scenarios. Following code can avoid this issue. void FRenderAssetStre ...

Lumen doesn't handle Area Lights Reflection Occlusion well

This user's Function Library will not save

This user's Function Library will not save. Hitting save returns the following error: Can't save D:/4.7_Projects/EngineTransientBug 4.7/Content/Math.uasset: Graph is linked to private object(s) in ...

Template function TSparseArray::PointerToIndex does not compile

Error:  C:\Program Files\Epic Games\UE_4.25\Engine\Source\Runtime\Core\Public\Containers/SparseArray.h(778): error C2440: '-': cannot convert from 'const TSparseArrayElementOrFreeListLink<TAlignedBy ...

Crash when AnimBlueprint and Bleuprint Interface has Same Name Function

When AnimBP and Blueprint Interface was added to the AnimBP has same name function, compiling AnimBP occur crash. ...

Remove the option to convert material functions to a parameter

Material functions have the option to be converted to a parameter but do not convert to a parameter. For example, create a MakeFloat3 or MakeFloat2 node > convert to parameter.  ...

Custom spawn function causes crash at Launch

Using a custom spawn function to spawn a character will crash editor in PIE mode (only standalone window crashes if standalone is used). ...

HISM(Hierarchical instance static mesh) has lightmap problem after building lighting

HISM has lightmap issues after build lighting ...

Calling a function that returns TWeakObjectPtr in blueprints causes crash

Calling a code defined function in blueprints that returns a TWeakObjectPtr causes a crash. ...

Anisotropic metallic material and area lights don't work