Unreal Engine Issues

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 ...

Transforming keys in Sequencer changes the interpolation of the keys

Going over the new features for 4.15 and I noticed that adjusting the transform of the keys in Sequencer, causes them to change to a linear interpolation. This is also effected if you select Transfo ...

Behavior Tree Visualizer Runs Sequence Tasks in Parallel

Tasks in the behavior tree are visually represented as running parallel to one another instead of sequentially when looking at the behavior tree visualizer. This does not seem to have an effect on f ...