CommonUI Analog Cursor + Enhanced Input triggers cause triggers to get stuck when alt-tabbing

UE - Editor - UI Systems - Mar 29, 2024

Came out of [Link Removed] and is related to this one too I think that this is signaling that we need better solutions for input consumption in the engine honestly. This is a constant pain point ...

GI not coming in with lighting build data when lighting built outside of main scene

UE - Graphics Features - Mar 27, 2024

Volumetric Lightmaps are not shared between Persistent maps that have the same sublevels. Also observed in Release-5.4, CL 32500436 ...

Clustering GeometryCollections in sleep state forces them to awake

UE - Simulation - Physics - Mar 27, 2024

The sleep state will be overwritten in ClusterUnionManager::UpdateAllClusterUnionProperties. Clustering using AClusterUnionActor results the same behavior as well. ...

Camera Shake can apply a new post process material every tick when post process material has "Is Blendable" disabled

UE - Anim - Sequencer - Mar 26, 2024

In the repro project the player camera has a post process material that slightly darkens the frame by subtracting 0.01 from the final color. When a camera animation based on a camera sequence is pla ...

Material Layers Ignore Virtual Texture Sampler Restrictions

UE - Rendering Architecture - Mar 25, 2024

Virtual Textures can be assigned to Texture Sample Parameters that are not configured for Virtual Textures, if that parameter is inside of a Material Layer. Also found in Release-5.4, CL 32426910 ...

Assert triggering when trying to copy-paste an empty CurveAtlasRowParameter node in the material editor

UE - Rendering Architecture - Materials - Mar 25, 2024

A check happens when copy/pasting a Curve Atlas Row Parameter Expression that has no value. This behavior also exists on CL 32426910 of Release-5.4. ...

Shadow doesn't update for a moving nanite mesh (fixed in 5.4)

UE - Graphics Features - Shadows - Mar 25, 2024

When a nanite mesh moves, the shadow does not. ...

Crazy camera when zooming in/out the Sequencer

UE - Anim - Sequencer - Mar 22, 2024

If you add Static Mesh (cube) in this Level Sequence and click on it in Sequencer, you can observe the Spline Path that the cube is following is changing its shape when keys in Sequencer are zoomed ...

Typing "Lerp" when dragging off of a vector pin results in "Slerp" being the first context menu hit

UE - Gameplay - Blueprint Editor - Mar 21, 2024

[Image Removed] ...

ExposeOnSpawn Class properties do not respect "none" as the value on "Construct object from class" node

UE - Gameplay - Blueprint - Mar 21, 2024

I think that the root of the issue actually comes from the K2 node behavior itself. If you copy your node and paste it to a clipboard, you can see the pins and the string representation of all the v ...