Incorrect config property serialization for UStructs used as TMap keys or contained in a TSet with a single value. Diffs taken from default-value of each member type, instead of from default-value of the struct

UE - Core - Systems - Nov 18, 2024

Consider a UStruct with some basic type members, each one with a default value specified in the struct. Also consider a TSet or TMap with that struct as keys, used inside a UObject as a UProperty an ...

csgRebuild builds dynamic brushes from the whole world, instead of just the current level

UE - LD & Modeling - Modeling Tools - BSP - Oct 17, 2016

Licensee notes issue with csgRebuild and proposes a reasonable fix. ...

Game language settings regression

UE - Editor - UI Systems - Localization - Jun 8, 2017

Fixed in Dev-Editor (CL# 3479874). Needs merging. ...

AbsoluteWorldPosition and PDO not working correctly in SingleLayerWater calculations

UE - Graphics Features - Oct 1, 2021

The licensee has provided a recommended fix for this issue. Please see the UDN.  ...

Burn ins are not composited onto media renders using the MRQ

zComponent - Archive - Jan 17, 2023

In 5.1 media exports will not have the burn in composited onto them.  ...

Skeletal Mesh Cloth - Removing cloth collision sources doesn't remove the prerequisite, and the collision sources are not updated

UE - Runtime - Deformable - Mar 17, 2026

[Link Removed] See proposed fix from partner: [Image Removed] ...

Hierarchical instanced static mesh LOD is not consistent between eyes

UE - Platform - XR - Apr 7, 2017

User reports that the issue fixed for ODIN-6308 still occurs for InstancedStaticMeshes. ...

Converting a light to Spawnable removes it from Light Mixer

zComponent - Archive - Jun 5, 2023

This is a regression as the issue does not occur in //UE5/Release-5.1 @ CL 23901901 ...

Windows SDKs not recognized for HoloLens Development

UE - Platform - XR - Jun 5, 2023

This is a regression as the issue does not occur in //UE5/Release-5.1 @ CL 23901901 ...