Unreal Engine Issues

Widgets can no longer take focus after clicking somewhere other than the widget itself

Widgets can no longer take focus after clicking somewhere other than the widget itself. The input mode appears to change, but does not change back when clicking widgets Notes: -This issue did not a ...

Editor Crashes When Cloth Asset Is Applied To Material With Support Compute Skincache Enabled

After enabling Support Compute Skincache if you attempt to apply a cloth asset to a material in the skeletal mesh editor the engine will crash. This may seem similar to [Link Removed] but I confir ...

Material Instance color applied as Blendable gets overridden by Master Material's color

When applying a Post Process Material Instance as a blendable element in a Post Process Volume with the blend radius set higher than 0, the post process will blend the Master Material's inputs with ...

Drag in event graph does not work after touch event with breakpoint

Dragging in event graph does not work after touch event with a breakpoint. This issue persists after the PIE has stopped as well. But the issue is resolved when the project is reopened. Regression: ...

Gameplay Tag Redirectors are not updating properly with nodes

Gameplay Tag Re-directories are not updating properly with nodes. Specific nodes include: "Make literal gameplay tag" and Switch on gameplay tag. Versions Tested: 4.15.3 - CL: 3450819 4.16.2 - CL: ...

User project crashes after changing struct

Adding a Blueprint Interface (with function named "Test") to a Widget Blueprint with a variable named "Test" crashes the editor when compiling

Giving the Blueprint Interface Function and the Widget Blueprint Variable the same name, then adding the Blueprint Interface to the Widget Blueprint, causes the editor to immediately crash when comp ...

Crash upon launching packaged game with Share Material Shader code enabled

When launching a packaged game that has Share Material Shader Code enabled, the process will crash before opening. Regression?: Yes This issue does not occur in 4.17.2-3658906+++UE4+Release-4.17 Th ...

Building Lighting fails when lightmass importance volume scale is large

There is an issue when attempting to build lighting with a large lightmass importance volume when you build the lighting the editor freezes. This issue appears to be a regression Versions tested: 4 ...

Generate Particle Event Blueprint node doesnt generate particles at relative "InLocation"

The EventReceiver Spawn module doesnt seem to take in parameters from linked Particle Generated Event. When setting the location of the Blueprint node (In Location), the relative position of the Par ...