Certain Materials do not render on Destructible Meshes in Standalone and Packaged projects

Core - Cooker - Nov 10, 2017

Certain Materials do not render on Destructible Meshes in Standalone and Packaged projects. I'm unsure of the exact cause but disabling "Used with Skeletal Mesh" in the materials Details panel, then ...

Hot reload causes placed actor to lose variable references

Core - Hot Reload - Nov 9, 2017

Preforming a hot reload causes placed actors to lose code based variable settings. More repro steps: 1. Open UE4Editor.exe 2. Create a First Person Code project 3. Build the project for Developme ...

Edited BP Variables show as "Multiple Values" in instanced reference

Gameplay - Blueprint - Oct 30, 2017

When a blueprint (A) contains a instanced reference to another blueprint (B) that is EditInlineNew, changing a value B causes the associated variable in A to display as "Multiple Vaules" Workaround ...

Translucent materials with tessellation

Rendering - Oct 3, 2017

When using a material with a translucent blend mode, you can not use the lighting modes "Volumetric PerVertex NonDirectional", or "Volumetric PerVertex Directional" and the Tessellation settings "PN ...

[CrashReport] Assertion failed: TaskDataArray.Num() == Exporter->VolumetricLightmapTaskGuids.Num()

Rendering - Oct 2, 2017

This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred, but at least two of the affected projects are being creat ...

Calling SetNavigationRule for widgets at runtime does not update the Nav Rule

Tools - UMG - Sep 25, 2017

Calling SetNavigationRule at runtime does not update the widget navigation of the selected widget. Regression: No - same behavior occurs in 4.16.3 (CL 3561208) ...

MS_VertexAnimationTools_MorphTargets are not deforming and reforming

Rendering - Sep 20, 2017

The Material should be contracting and expanding if it is working correctly, but after version 4.16 it is not. Instead it is solid in appearance in the material editor viewport. Below I have linked ...

Partial screen black out when using a Multi line text box on iOS

Tools - UMG - Sep 20, 2017

Parts of the screen are blacked out on iOS devices when using a Multi line text box inside of a widget component ...

Cannot use Goto Definition on Engine native function in Binary build

Core - Sep 19, 2017

User is not able to use Goto Definition on Engine native function in a Binary (Launcher) build. Notifications appear reading "Could not find code file...", and the following is spammed in the outpu ...

Adding Text Widget BP as "Widget Class" in Actor Class BP and compiling multiple times, changes Text visibility in Viewport

Tools - Sep 15, 2017

Adding a new Text Widget Blueprint as a Widget Class to a new Actor Class Blueprint changes the visibility of the Text in the Viewport when compiling the Widget Blueprint multiple times. Regressio ...