Unreal Engine Issues

Add and Renaming collapsed graphs in functions breaks refs to local vars

When creating a class (of any kind i.e. an actor), when a collapsed graph is compiled the ref breaks when adding or renaming the graph. ...

Android build fails with GPU Lightmass plugin enabled

Packaging for Android fails with the GPU Lightmass plugin enabled. A customer reported this and I was able to successfully repro it, however my callstack was different. I'm attaching my logs and cal ...

Cook errors with Python developer mode enabled (deprecated imp module)

Missing scale for tangent with morph target

There is a bug in the fbx curve import code where we do not multiply the tangent by the scale parameter. Only the key value is currently scale. In 4.25 there was a hardcoded 0.01 scale but it was w ...

Struct Viewer will display duplicate structs after a rename

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Point light that is not casting a shadow behind hair causes the hair to glow

Curl Noise values on water body actors causes the shore to appear broken

Water is new so I marked this not a regression This is worse in a Lake and River actors, Ocean kinda looks okay but also might need to be looked into ...

SingleLayerWater with PixelDepthOffset gives wrong refraction

We can see refraction gets distorted after we have a bigger PDO value, and it's not because the depth is more shallow, but looks like some kind of scene color texture lookup error. Also, not sure i ...

Convert to function to event incorrectly shows up when editing BP Interface Blueprints

The BP interface graph shouldn't be able to convert functions to events because they are inherently all function graphs.  ...

Blueprint Editor Show Grid does not toggle the grid in the viewport

The grid in the blueprint editor is not able to be hidden via the Show Grid flag in the viewport dropdown. This has regressed sometime in //Ue4/Release-4.25 as I cannot reproduce this issue in //UE4 ...