Unreal Engine Issues

[CrashReport] UE4Editor_Kismet!SBlueprintPaletteItem::OnNameTextCommitted() [sblueprintpalette.cpp:1319]

This is a trending crash after the 4.17.2 hotfix, although it has existed since the 4.16.1 hotfix. User Descriptionswas creating a new graph in a blueprint ...

EditMode(MeshEditing): Faces deleted or flipped revert to original when relaunching editor

Faces deleted or flipped with Static Mesh Viewer EditMode revert to original when relaunching editor. Datasmith Beta Version 1.0 (as listed in plugins viewer) ...

Undoing after opening a bluperint will delete nodes in a math expression

Math expressions fail to compile when performing an Undo after opening a blueprint ICE - wrong output link - ((1 + x) * (sin(myVar))) - (2.400000 / (rand())) ...

DistanceFieldBentNormalAO does not appear to work with imposter UVs

I have not entirely ruled out any issues with the imposter material in the repro, there's a chance this is related to the normal rotations, but turning off distancefields entirely does fix the issue ...

Incorrect mesh offset behavior when playing a forward start after following "Adapting Lyra animation to your UE5 game"

See the answer in the UDN: [Link Removed] We may want to update the blog post with a suggested fix, or wait until the automatic root offset tech is production ready. ...

Variable can't be set by the Pick Actor From Scene eye dropper if that actor's name starts with an underscore "_"

This is a regression. Tested in //UE5/Release-5.1 CL20979098 Variable can't be set by the Pick Actor From Scene eye dropper if that actor's name starts with an underscore "_". ...

Landscape flatten target value and terrace interval's sliders don't take the landscape scale into account

This problem was originally reported in this UDN : https://udn.unrealengine.com/s/question/0D5QP000007yVue0AE/flatten-brush-limit-with-landscape-scale-z?fromCase=1 ...

Nanite mesh shadows not updating when CSMCaching enabled

A Nanite primitive casting a CSM shadow on another Nanite primitive with "Cast Shadows" disabled, will have it's shadow disappear completely when r.Shadow.CSMCaching = 1. ...

Volume artifacts (Bleeding)

GlobalShaderCache file is missing when Direct X 11 SM5 is disabled for packaging

When trying to launch a .exe after disabling SM5 in the project settings, an error will appear. The global shader cache file ../../../../Engine/GlobalShaderCache-PCD3D_SM5.bin is missing. ...