Adding Regular Expression information to the project.build.cs no longer works

UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 23, 2022

This worked in previous releases, but changed around 4.27.2 and Early Access. This prevents users from using C# regular expressions. ...

Misleading error message while attempting to drag in a BlueprintCallable Function into an Event Graph

UE - Gameplay - Blueprint - Feb 23, 2022

An error message informs the user that a function does not have the BlueprintCallable keyword if the same function is using a  native to blueprint communication keyword. The function/keywords are b ...

Incorrect behavior when bAutoCalculateSpline==true for a Spline IK node

UE - Anim - Runtime - Anim Blueprints - Feb 23, 2022

UDN user reports that the calculations used to auto-calculate spline points is incorrect, solution supplied in the UDN ticket. ...

Linux crashes in the Project Browser without using the -nocef command

UE - Platform - Linux - Feb 22, 2022

When opening Unreal Editor on Linux, the Project Browser opens but is completely unresponsive. Shortly afterwards the editor will crash. If you use the -nocef command when opening the Editor, everyt ...

Set Editor Property node no longer works with Material Instances in UE5

UE - Gameplay - Blueprint - Feb 18, 2022

This is a Regression. Using an Editor Utility Widget to set properties on materials via Set Editor Property doesn't work in UE5 as it did in UE4. ...

VertexInterpolators allocate unused params which generate extra shader ops

UE - Rendering - Materials - Feb 17, 2022

As a follow up on this: https://udn.unrealengine.com/s/question/0D54z00006yxUdXCAU/vertexinterpolators-problem VertexInterpolators are added to the HLSL code even if unused and you demand the HLSL ...

Key Interpolation method is not saved when calling the color picker by key editing of Sequencer

UE - Anim - Sequencer - Feb 17, 2022

The problem is that the interpolation method is not saved when editing the Vector Parameter. ...

Add a way to have BlueprintInternalUseOnly Async nodes placed via keyboard shortcut

UE - Gameplay - Blueprint Editor - Feb 17, 2022

Users would like a way to place K2Node_AsyncActions that are marked BlueprintInternalUseOnly into the graph with a keyboard shortcut. ...

AttachComponentToComponent node does not change the location of a Spawned particle system at runtime

UE - Gameplay - Feb 17, 2022

You can use the "Spawn Emitter Attached" function as a work around ...

Broken dither opacity on skeletal mesh

UE - Rendering - Materials - Feb 16, 2022