Unreal Engine Issues

Missing RowStruct when opening a DataTable made with custom RowStruct

For some reason a datatable created in the editor, using a row struct built in c++, is corrupted after re-opening editor. Its row struct property is set to none. This is a regression. ...

[Quartz] - The multiplier does not always respected on the Quartz Quantization Boundary

Increasing the multiplier past a certain point causes sounds on a Quantization Boundary to struggle to play at the correct time. The repro above uses 1/32, but this also repros with other values. ...

Creating and editing skeletal controls in template animation blueprints ensures and bone names cannot be edited

HLOD dialog is reporting a fatal error while trying to build HLODs

Does not reproduce in //UE5/Main CL 20075312 HLOD dialog is reporting a fatal error while trying to build HLODs in a level with a particular blueprint the user created. HLODs build with out the blu ...

Separate Translucency causes crash with iOS and Android Vulkan preview rendering

This is a regression. Separate Translucency causes crash with iOS and Android Vulkan preview. ...

Running VR Template with DirectX11 and Instanced Stereo causes massive memory leaks

Massive memory leak occurs when using dx11 in the VR Template. The memory leak maxed at 18GB after hour and a half. This issue does not happen with dx12, Metal or Vulkan. Issue does not occur when I ...

Wrong normal map compression settings when importing USD file

Customer Comments: this is just a workflow issue where you need to set the compression settings to normal or tick the sRGB checkbox to fix the shading issue Regression testing done in //UE4/Rele ...

[MRQ] Simulating in editor during runtime rendering causes an assertion to fail after rendering is done

Simulating in editor during runtime rendering causes an assertion to fail after rendering is done. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did not occur there ...

Blueprint Viewport isn't interactable while a Window from the Sidebar is expanded

Blueprint Viewport isn't interactable while a Window from the Sidebar is expanded. ...

Unable to bind Float variables to certain properties in Widget elements

Unable to bind float variables to certain properties in Widget elements. You are able to bind Structure floats if needed as a workaround. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#183 ...