UAT not considering remote root

UE - Foundation - Cpp Tools - Automation Tool - Apr 2, 2025

It seems like WriteFileList (TempStorage.cs) is not respecting the enginePath as set from horde context. _localDir in TempStorage.cs seems to be based off of the RootDir (details here). Proposed ...

Datasmith .WIRE Import - Shader name inserted into Material Element Slot

UE - Editor - Content Pipeline - CAD - Apr 2, 2025

Can we please implement a feature whereby the shader name applied to surfaces / objects is used for the Material Element Slot? When using Dataprep and replacing the materials using a table, it give ...

Crash when Undo after deleting a Material Layer of a Material Instance.

UE - Rendering Architecture - Materials - Apr 2, 2025

In Unreal Engine version 5.5.4, the Editor crashes when performing Undo after deleting a Material Layer of a Material Instance ...

Investigate Streaming getting disabled on a World Partition map as a side-effect of loading the map as a regular asset

UE - World Creation - Worldbuilding Tools - World Partition - Apr 1, 2025

We recently encountered an odd issue where loading into our main world partitioned map would result in a crash caused by all streaming cells getting loaded at the same time. Turns out this was cause ...

Wolrd Partition Foliage Builder - Fails to build with multiple external actor folders.

UE - World Creation - Worldbuilding Tools - World Partition - Apr 1, 2025

Hello, We are building a world with world partition & a lot of nanite foliage. We want to modify out Foliage Instance grid size via the commandlet. [Link Removed] Even in a new empty level the c ...

Option "Use Mouse for Touch" does not work correctly when running the game in "Standalone" or "New Editor Window (PIE)" modes: Virtual joystick does not appear and mouse cursor is incorrectly hidden while captured.

UE - Gameplay - Input - Apr 1, 2025

The Editor provides option "Project Settings – Engine – Input – Mouse Properties – Advanced – Use Mouse for Touch" to allow testing virtual joysticks and other touch controls with the mouse. When ru ...

Masked material using virtual textures covering a decal will result in black pixels

UE - Graphics Features - Nanite - Mar 31, 2025

Depth Passes for Masked Materials using Virtual Textures does not work correctly when it is in front of a Nanite Mesh and a Decal, resulting in black artifacts. Also tested on //UE5/Main, CL: 41024 ...

Opcode shader compilation error when using a TextureSampleParameterCubeArray node with hardware ray tracing enabled

UE - Graphics Features - Ray Tracing - Mar 31, 2025

Materials containing a cube array texture sampling node will not compile when hardware ray tracing is enabled. The shader compilation error indicates that an invalid op code was used: "Opcode Sample ...

Iris - replication errors for actors in runtime data layer when reconnecting

UE - Networking - Iris - Mar 28, 2025

It seems like upon reconnecting to the server, the client receives a bunch containing the actor before it has loaded the data layer. See attached log snippet for errors. ...

Input Actions bound to Any Key become unresponsive after mouse scroll until scrolled again

UE - Gameplay - Input - Mar 28, 2025

In UE latest release (5.5 launcher version), Enhanced Input Actions mapped to "Any Key" stop responding after scrolling the mouse wheel. Specifically, scrolling either up or down disables the Any Ke ...