Unreal Engine Issues

Long splash screen when launching a cook on the fly project on Android

When launching a cook on the fly project on Android the splash screen last about 2 minutes before the template opens. ...

Skylight mobility settings interfere with Ray Tracing accuracy

When skylight raytracing is enabled, and skylight mobility is movable, skylight diffuse convolution is used on top of the skylight diffuse raytracing, causing severe bias and incorrect raytraced res ...

Native struct types that declare one or more non-UPROPERTY fields are not initialized with the default value from a modified Blueprint CDO.

Dynamically-spawned instances of a Blueprint class go through an optimized property initialization pass (see UBlueprintGeneratedClass::BuildCustomPropertyListForPostConstruction() and InitProperties ...

int64 UProperty with ExposeOnSpawn meta tag won't compile.

int64 UProperty with ExposeOnSpawn meta tag won't compile from a C++ UUserWidget class. ...

Cascade To Niagara Converter doesn't respect Initial Location Module

Niagara's Initialize Particle Module has the Input.Position Write default Value False which is fine as long as the Cascade To Niagara Converter can realizes whether Cascade has the location Module a ...

AmbientOcclusion doesn't work properly on orthogonal projection camera

Details Panel - ShowOnlyInnerProperties does not work in nested structs unless the outer struct also has the metadata

The current implementation for inlining struct members is setup in a way where we start with the outermost struct and only recurse into any child structs if it contains the ShowOnlyInnerProperties m ...

Light function broken on AMD GPUs

The licensee reported this happening on the following cards with the latest driver versions: ● RX 6600 ● RX 5700 The Licensee reported it did not happen on these cards: ● RX 580 ● Non-AMD cards Our ...

Foliage breaking when used Sublevels into a Persistent Level

Startup Movies in Lyra Flicker and trigger ensure: "Only one system can use the SlateThread at the same time. GetMoviePlayer is not compatible with PreLoadScreen."

When adding startup movies to Lyra, the movie playback flickers and an ensure conditions fails with the message: Ensure condition failed: bSuccess [File:D:\build\++UE5\Sync\Engine\Source\Runtime\M ...