Unreal Engine Issues

Duplicating and then undoing leaves a null actor in level

Regression BROKEN: //UE4/Main CL 3227721 (Dev-Framework merge) WORKING: //UE4/Main CL 3227387 When the user duplicates and then undoes the action, there will still be that actor in the level, but w ...

Copy-pasting (in the details panel) an array of structs containing multiline text not coming back entirely correctly

This is the copy buffer (it contains multiline strings): ((SectionName_10_AD815C6B40E1AA91C8FB72B006CB648A="TeamScreen_Overview",TipHeader_8_0A891281438C7AD03199038A729ACC18="Heroes",TipBody_9_C20B ...

Crash when using Set Collision Response on a Destructible component

Crash when using Set Collision Response on a Destructible component. The repro is using the Construction Script but this also happens using Event Begin Play in the Event Graph on play. It crashing ...

The hitproxy pass only the sectionindex, we need the material index also

The mesh hit proxy (static and skeletal) store the section index as a material index. so the override material array need to be driven by the material index, not the section index. I will add the ma ...

Alembic Geometry Cache is corrupted on reopening of project leading to crash

Alembic Geometry Cache crash when re-opening the project and a map that contains this asset or adding it to any existing/new levels will instantly crash the editor. This asset works correctly in the ...

Colored Lights On Edge Of Screen In Cascade Preview Window

While working in cascade (also in editor) with particles or stronger emissive values, glowing lights will appear at the edge of the screen. Note With bugs like this they seem to be tied to Radeon C ...

Moving Asset back to the location where a fixed up redirector was located can remove it from source control

Creating a float variable named lifespan in an Actor Blueprint and setting its default value will override the life span of the parent class

Creating a float variable named lifespan in an Actor Blueprint and setting a default value for it will override the parent class' life span setting. I was unable to find any variable in the Actor cl ...

Retargeted Child AnimBP doesn't play any animations

Retargeted Child AnimBP doesn't play any animations ...

Copying and Pasting transform tracks creates a second transform track in Sequencer

When testing the new features in 4.15, i noticed that when copying and pasting a transform track in Sequencer, and pasting the transform track to an actor, it adds another transform track rather tha ...