Unreal Engine Issues

java.lang.UnsatisfiedLinkError crash on Xiaomi M4

This one is very odd; libUE4.so must not have loaded for some reason. Seems odd to only happen on one device. ...

Level Sequence option "Allow Level Edits Only" causes Frame Rate drop when used

When using the new option "Allow Level Edits Only" there is a drastic frame rate drop while playing the sequencer. This frame rate drops when only using this option. Versions Tested: 4.16.3 - CL: 3 ...

Material static switch fails to retrieve correct value

Favorites section not shown on reload

After adding any Folder to your Favorites, the entire section disappears after reloading the project. ...

Expose ULandscapeLayerInfoObject to blueprint as EditorApplySpline() blueprint function as an argument for this type

Expose ULandscapeLayerInfoObject to blueprint as EditorApplySpline() blueprint function as an argument for this type. Some testing might be required to be sure it's not assumed somewhere in the code ...

Content ordering for assets with full numeric names.

Content files that are labeled with both text and numeric values sort correctly, but files containing only numbers, don't share this behavior and end up with weird sorting order. MyMat_20, MyMat_20 ...

Unimplemented Simplygon function causes empty mesh LODs and crashes

When we do the refactor for MeshDescription we miss the staticmesh reduction project settings option and change only the quadric reduction. There are two possible fixes for this issue: 1. Implemen ...

LLDB 2-byte char data formatter script fails in Android Studio

Android Studio does not properly parse the UE4DataFormatters_2ByteChars.py distributed in 4.20. ...

Filtering by collection is broken

This happens because the Collections module isn't loaded when the FFrontendFilter_TextFilterExpressionContext instance is created: , CollectionManager(FCollectionManagerModule::IsModuleAvailable() ...

Crash when launching dx12 for the first time with Rect Lights

Users on the forums are hitting a crash on their initial launch of the engine into dx12. There is currently a workaround to load into the project with dx11 first, compile shaders, then youre fine to ...