Unreal Engine Issues

Per Instance Random node not working in material layer

Licensees report that the definition of the USES_PER_INSTANCE_RANDOM macro only considers it in the context of the base material.  As a result Per Instance Random used only in material layers does n ...

UFE: Can't delete custom launch profiles

The confirmation message will fails spawning with the following messages in the log:  [2023.07.25-20.04.01:038][  0]LogWindows: Error: Failed to create dialog. The specified resource type cannot be ...

Preview rendering does not update when slider is moved below 0.0 in timeline on in Niagara Editor.

Workaround in UE5.3:  UNiagaraComponent::TickComponent             if (AgeDiff < 0.0f)             {                 SystemInstanceController->Reset(FNiagaraSystemInstance::EResetMode::ResetAl ...

Console history in packaged game is not saved

Console history is saved correctly in 5.1. The cause is input.ini in EnhancedInput and InputDebugging added in 5.2. Removing these files are a work around. ...

FMaterialResource::IsDualBlendingEnabled bug

The user has a proposed fix for this in the case. FMaterialResource::IsDualBlendingEnabled needs the following modification that includes MaterialInstance check: bool bMaterialRequestsDualSourceBle ...

Read-Only UI Components Don't Receive Input Events

Custom context menus will not function when the property they are attached to is read-only,  as the input events no longer make it to our customization, but seem to get intercepted higher up the cha ...

Lumen Leaking and Reflection Flickering

Interchange tests framework need to support python pipeline

Delay when entering text into EditableText using Microsoft IME after switching between half-width and full-width characters

When adding text after switching from half-width to full-width input using Microsoft IME, there may be a delay of about 3 seconds before the text can be entered correctly. This is supposed to occur ...

When breaking a level instance, foliage instances in the LevelInstance are placed in the wrong location

Following code works as a work around. The code updates placement information of instances. TMap<UFoliageType*, TArray<const FFoliageInstancePlacementInfo*>> AInstancedFoliageActor::GetInstancesF ...