Unreal Engine Issues

TSoftObjectPtr does not replicate properly

Right now USoftObjectProperty does not implement NetSerializeItem so it falls back to the implementation in UObjectPropertyBase. This only works correctly if the object happens to be in memory, othe ...

DBuffer decals in mobile multi view flicker in left eye

IsDataValid is not called on components inherited via the Simple Construction Script

IsDataValid is not called for components inherited via a parent's SCS. I've attached a small repro project. (4.27) ...

Right-clicking a DataAsset Based on a Blueprint Class can Crash the Editor

The editor can crash when you attempt to open the context menu for a data asset based on a blueprint class. This happens only if the blueprint class the data asset is based on is not currently loade ...

Able to name function parameters "self", resulting in odd compile errors in blueprints

Users are able to name function parameters (in BP and in code) "self" resulting in odd compile errors when in blueprints: "This blueprint (self) is not a bool, therefore ' Self ' must have a connec ...

Landscape LOD tessellation is broken in 4.24

Landscape LOD tessellation creates big holes in landscapes. ...

Race condition triggers an ensure 'bIsInitialized && Other.bIsInitialized' inside FVisualLogEntry::MoveTo on animation worker thread

A licensee reported occasionally triggers an ensure during automation testing, potentially when the GameThread flushes Visual Logger via FVisualLogger::Flush() and an animation worker thread executi ...

K2Node_SwitchEnum doesn't use EnumRedirects

TMatrix<T>::InverseFast() ensure when running URootMotionModifier_SkewWarp::WarpTranslation().

URootMotionModifier_SkewWarp::WarpTranslation() uses InverseFast() within a block of code that is only executed if DeltaTranslation is not nearly zero. The ToRootSyncSpace transform the code builds, ...

Error when Compiling an AIController Blueprint Class with an AIPerception Component

An error populated the output log when Compiling an AIController Blueprint Class with an AIPerception Component. This is not a Regression, as it Occurs in //UE4/Main. ...