Unreal Engine Issues

Fail to trigger event because no director instance

Typo for Linear Plasticity Type: shirnk instead of shrink

Regression: Tested in UE5/Release-5.0, this issue also occurs so this is not a regression. ...

Nanite landscape mesh has a significant difference with normal landscape when using large Z scale value

Result : there are significant differences between the generated Nanite mesh and the original landscape mesh (see [Link Removed]) Note : the bug was originally reported on this UDN : [Link Remove ...

Welding doesn't work until the first time the actor simulates

MediaPlayer failed to be open on Mac and IOS

Converting a mesh to Nanite merges mesh sections with the same material index, but with different material overrides

When a mesh with multiple sections which point to the same MaterialIndex but have different settings enabled (e.g. bCastShadow is enabled on only one section) is converted to Nanite, the material sl ...

Material Layers "swap" location instead of shift downwards.

Licensee request for this as it is affecting productivity. Likely requires a method of allowing a user to choose which behaviour they prefer. For reference, the behaviour changed in CL 11684461 to f ...

TVOS - Adding Game Center image assets causes build script error

"We are trying to add required Game Center assets to our Apple TV project. We are using the source code version of UE4. It seems that the editor UI does not support adding the Game Center leaderboar ...

Material Layers Ignore Virtual Texture Sampler Restrictions

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 ...

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 ...