Unreal Engine Issues

FIXIF: Using the Merge Blueprints feature crashes the editor

Using the Merge Blueprints feature crashes the editor. This repro is for clicking between the error and warnings while merging, but the editor will generally crash if the Merge is finished or if an ...

[CrashReport] UE4Editor-D3D12RHI!FD3D12Viewport::PresentChecked(int) [D3D12Viewport.cpp:492]

Callstack is garbage past D3D12 calls but logging for visibility. Generated from CrashReporter ...

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 ...

Source control commandlets do not consistently check provider status for read only or checkout and instead rely on read only state of files

When using Lighting Scenario, loading order will affect how it's applied to the instances

When using Lighting Scenario, loading order will affect how it's applied to the instances, resulting in corruption if content is loaded after the lighting scenario ...

Assertion failed: Engine crushes when a geometry collection hits a landscape

This is because THeightField::PhiWithNormal has not been implemented yet. ...

Orthographic Rendering - Lumen Reflection Artefacts

CSM has artifacts if shadow distance less than 2000

Modeling Mode Vertex Paint Color values are incorrect

There is a mismatch in between the input and output value of vertex colors painted using the "Modeling Mode" vertex painting tool. The example in the licensee's case is that if they wanted a 0.25f v ...

Crash In FGeometryCacheSceneProxy::GetDynamicMeshElements On Editor Load With Null Material