Unreal Engine Issues

Pasted material function nodes lose their connections

The fix for [Link Removed] caused a regression where links to material nodes no longer carry over when a group of nodes is copied and pasted ~ User submitted Image and repro steps appended. I conf ...

4.23 Preview crashes with command line arguement -AutomatedMapBuildUseSCC = False

Using an automated script in command line arguments to build project map causes a crash. Note: that it will not crash when 'UseSCC=false' is omitted, but it will not build the map either. Screen gr ...

Fixed frame interval playback should be off by default

[CrashReport] UE4Editor_UnrealEd!FAssetEditorToolkit::GetDefaultTabIcon()

This is a fairly common crash that occurs in the 4.17 and 4.18 releases. This callstack was originally being tracked under [Link Removed], but that had specific repro steps that were confirmed fixed ...

Render target size mistmatch in ShaderDrawDebug

We found a d3d debug validation assert in RDG_EVENT_NAME("ShaderDrawDebug"), with the full DLSS integration. It however also reproduces in  (4.25.1-release, dev-rendering and the plugin branch with ...

[CrashReport] Assertion failed: Array index out of bounds - GetPhysicsTriMeshData() [modelcomponent.cpp:688]

This is a semi-common crash that has occurred since at least 4.17.1. The callstack is nearly identical to [Link Removed], which was fixed in 4.18.0, however the error message and source context are ...

Editor crash when setting r.UniformBufferPooling to 0.

PATH not passed to NMake script when building Android from Visual Studio

After upgrading from UE5.0.3 to UE5.1, we started seeing this error when trying to build Android Development from Visual Studio (VS2022 17.2.1): Running UnrealBuildTool: dotnet "..\..\Engine\Binari ...

LLM "graphics" in DX12 is always 0

MaxChannels (Voices) is printed incorrectly to the Output Log on new projects

The Max Channels (voices) setting displays in the output log as 0 on new projects. Likely a result of [Link Removed]. Issue is in display only (there are 32 voices), but should ideally report the de ...