Unreal Engine Issues

Crash using D3D raytracing with Support Ray Tracing unchecked static mesh

Static mesh that does not have Support Ray Tracing flag does not have a GeometryRHI object. So it causes a crash in FD3D12RayTracingScene. Excluding instances that do not have a GerometyRHI in FDef ...

A WaterBody blueprint class with an added component will not compile if Blueprint Nativization is enabled

This is Not a regression. Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced When adding a component to a Water Body actor it should ...

Crash when changing the name of a variable within in a struct that's being used by a Control Rig Blueprint

It seems that changing the name of a variable inside a struct that is being used by a Control Rig variable causes a crash. Additionally, after making the change and recompiling the Control Rig bluep ...

Input isn't recognized for Shift+F, or just the F key when the Shift key is also pressed down

This is a regression Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Did not reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced //UE5/Release-5.0-EarlyAccess CL16682836 Binary - Repr ...

Crash occurs when renaming an asset that is used by Class Default Object

Not a regression. Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced //UE5/Release-5.0-EarlyAccess CL16682836 Binary - Reproduced Fro ...

Input isn't recognized for the E key when the Ctrl key is also pressed down

When holding down the Ctrl key and pressing another key, if there is an input event bound to that key, then the nodes placed after that input event are triggered. However, this is not the case with ...

r.SSR.Stencil - strange default behaviour where reflections are culled automatically and disappear.

Non-deterministic packaging when iostore is enabled

There appears to be a pattern of non-deterministic cooks when packaging with multiple chunks. In the case of these reproducible steps, only the assets of chunk1 have been modified. In this case, we ...

Changing the codec of a Curve Compression Setting asset results in a crash

When creating a Curve Compression Setting asset and changing the codec from Compressed Rich Curves to either Uniform Indexable or Uniformly Sampled the editor crashes. Tested in //UE4/Release-4.26 ...

Enabling windows animation causes dropdowns to glitch up and down.

Observe dropdowns glitching up and down when enabling Windows Animation in editor preferences.  This is not a regression due to it occurring in 4.26.2 ...