Unreal Engine Issues

Iris - Destruction of initially dormant actor not replicated to clients

Without Iris enabled, UNetDriver::NotifyActorDestroyed will handle creating destruction info for dormant actors, including any initially dormant, statically placed actors. However, this path seems t ...

Data Layers: GetDataLayerInstanceFromAssetName differs between editor and non-editor

From licensee: The function AWorldDataLayers::GetDataLayerInstanceFromAssetName() uses different names in #WITH_EDITOR and without editor builds: #WITH_EDITOR config calls DataLayerInstance->GetDa ...

Edit Conditions on Struct that contains FGameplayTagQuery leave the property readonly

When inside an array is used a UStruct with a FGameplayTagQuery var that has the EditCondition meta that is evaluating inside the struct. When a new element is added to the array in the editor, if a ...

[Substrate] Workaround for DXC problem with roll unlooping

We should get to the bottom of this workaround and revert it eventually.  Reported here: [Link Removed]  ...

ENiagaraCoordinateSpace is not exposed to Python, meaning the FXConverterUtilitiesLibrary create_script_input_enum function does not work when setting that parameter.

The user was having issues with setting the correct ENiagaraCoordinateSpace enum in their python script. This enum currently exists in the engine as both a user-defined enum (which is deprecated), a ...

HDRi Backdrop Animation in Sequencer

HDRIBackdrop objects cannot be rotated in Sequencer. This issue can be resolved by setting the "Run Construction Script in Sequencer" checkbox to True in the "HDRIBackdrop" blueprint. If HDRI Back ...

CSM Shadows disappearing at larger coordinates with different FOVs

Cascaded shadows disappear at some FOVs when far from the world origin. This behavior was not present in 5.2. Also found in CL: 32690246 in Release-5.4 ...

Reimport of a MaterialX file as material instance fails

In Main, the reimport does not generate an error but the material instance is not updated. ...

Twinmotion freezes after starting in VR mode with the HTC Vive Pro 2 headset.

IME does not work in EditableTextBox in WidgetComponent

WidgetComponent controls widgets through VirtualWindow, but VirtualWindow does not have HWND, so IME cannot be enabled. The following workaround enables IME activation. void FSlateEditableTextLay ...