Unreal Engine Issues

Hypotenuse node unexpectedly returns "-nan(ind)" instead of "0.0" if both values passed into the node are "0.0"

The Hypotenuse Blueprint node currently returns a value of "-nan(ind)" if both values passed into the node are "0.0". This result is correct based on the code that the Hypotenuse node uses, but is n ...

Rendered panoramas using Lumen may be overexposed

Reported in SF [Link Removed] Lumen Panorama renders in 2025.2 may appear overexposed compared to the viewport, or when comparing the same render produced in 2025.1.1 This only appears to occur wi ...

Unified source control cancel operation

When switching source control settings from the Source Control button and toolbar, the same operation produces different results. Licensees have requested that the behavior should be consistent. Tw ...

Physics replicates incorrectly on the Client-Side on sloped surfaces

Replicated objects don't behave correctly on the client-side on slopes when not sleeping. By placing two cubes on one another and slightly rotating the bottom one to create a very gentle slope, the ...

sending Console command by EmitCommand in Pixel Streaming doesn't work

GAS: UGameplayEffect tags async loading race condition

User reported game thread and async loading thread accessing a UGameplayEffect property at the same time:Game thread having loaded a GameplayEffectA and in its PostLoad() updating the property Inher ...

Custom UVs don't store information properly in layered materials.

[Link Removed] I have this set up so that FX artists can stack UV manipulations, so I don't want to just have all the UV manipulation in the layer with the base color, even though that does give me ...

Linux crash upon opening maps in Soul: City content pack

Opening the maps from the Soul: City asset pack on Linux causes a crash. This seems to be rendering related. It was originally reported as a Vulkan specific issue but we've reproduced it without Vul ...

Zooming in UMG preview doesn't scale text block margin

Zooming in UMG preview doesn't scale text block margin [Image Removed] [Image Removed] ...

UDN: ChildBP - When replacing Static or SkelMesh Compoent inherited from the Parent Class, Socket list doesn't update

This is simple, but maybe hard to explain, so hear with me. I've attached a sample project and Repro Steps below in case it's not clear. Basically: 1. Make BP_Parent with an unassigned Mesh (Stati ...