Unreal Engine Issues

Niagara Data Interface "Errors and Warning" section on Module Details not updating when error messages change

This is a regression: it worked correctly up to UE 5.5, but not in 5.6 or mainline latest. Possibly caused by CL 40093049. Class UNiagaraDataInterface provides virtual method GetFeedback(), which a ...

Actors are deleted when multiple actors from multiple sublevels are moved to the persistent level

Actors disappear when multiple actors are selected and are moved from multiple sublevels to the persistent level at the same time. ...

Deprecated components can still be added via the Add Component button

The UDN has a possible fix for this issue in the Component Type Registry You can use the following as a test C++ class: #pragma once #include "CoreMinimal.h" #include "Components/ActorComp ...

DefaultEngine.ini restored after deleting does not match the originally generated DefautlEngine.ini

Regenerated DefaultEngine.ini should regenerate with D3D12 RHI not D3D11 RHI which would match the original generation of the file. 4.27 is  generated with D3D11 and regenerated with D3D12.  ...

Crash when deleting BindingOverrides if the target property is left open on the details panel

Crash if opening ALevelSequenceActor::BindingOverrides in the details panel and run a process that empties the BindingOverrides elements. Workaround: FMovieSceneObjectBindingID FMovieSceneObjectBi ...

In-Memory replay checkpoints incorrectly deleted when stream length is less than TimeBufferHintSeconds

The buffer start time is calculated by subtracting the TimeBufferHintSeconds from the stream length: const uint32 BufferStartTimeMS = UE::LWC::FloatToIntCastChecked<uint32>(FoundReplay->StreamInfo.L ...

Add error message when unable to delete external actor file on disk

Renaming an input class or struct to a Chooser breaks evaluation of EvaluateChooser node

The evaluate chooser node generates input pin names based on the parameter class / struct names. When that class or struct's name is changed, the pin doesn't update to account for that and so we si ...

Ensure condition failed: !TagRedirects.Contains(OldTagName) Renaming Gameplay Tag twice

It appears the ensure only happens once. Cannot get the ensure to happen once Project Settings is closed. This also occurs in 4.16.2 so it is not a regression ...

Console variables help button not providing html document or opening web page

Selecting the Console Variables help option or using 'help' does not lead to a webpage or provide a link.  ...