Unreal Engine Issues

Editor crashes when closing one viewport while two viewports are open in persona

Crash when opening anim sequence and closing one viewport with two viewports open. No crash when one viewport is closed from one viewport open. ...

Scaling a SceneCapture2D from Default Scale will cause Decals to Disappear in the Render Target

When scaling a SceneCapture2D actor/component any decals there were being rendered within the Render Target disappear. I also noticed that when the SceneCapture2d is set to orthographic, the scale ...

Shader compilation error occurs when using values sampled from texture for Customized UV1

Shader compilation error occurs when using values sampled from texture for Customized UV1.　No problem when connected to Customized UV0. This problem compiles well if I change the value of Const to ...

Collison and Simple Collision Mip Level Crash

Video Capture Renders Black W/Metal

From AnswerHub: Under OS X 10.11.4 using Metal on an AMD FirePro D700, captured video using the editor's built-in video capture tools is black. It doesn't matter if I attempt to capture images or v ...

Bug in CurveLinearColor makes colors of Diffraction material white outside curve range, causing rendering artifacts

There seems to be a regression with linear textures (commonly for multi-channel masked textures) in UE5.4. Setting the "Encoding Override" (under Texture > Advanced > Source Color Settings) to "Line ...

Editor blocks Windows taskbar from showing if taskbar is set to auto-hide

If the Windows taskbar is set to auto-hide and the editor is opened on the same monitor, the taskbar cannot be accessed while the editor has focus. ...

Root Motion interpolation is incorrect when use URO

According to Licensee's report, Root motion is incorrect when use URO. I Investigated, in the case of "Montages Only" become TrailMode in URO. Normally Animation Interpolation has implementation, ...

Reflection across multiple viewports are different than original viewport.

When viewing reflections in multiple viewports the reflections will differ from the original viewport. ...

Masked Materials using the Forward Renderer and MSAA results in banded Gradient

Masked materials used in conjunction with MSAA and Forward Rendering results in a banded gradient which seem to correlate directly with the MSAA count variable. This is connected to the Forward Ren ...