Unreal Engine Issues

Collision boxes always have Navigation Area Class reset to NavArea_Obstacle on project load

Every time when reopening the project, Nav Area Class on collision geometry gets reset to "NavArea_Obstacle", instead of maintaining its state. ...

The Device Output Log does not transfer the console commands to iOS devices as expected

Crash when plugging Depth Fade to Base Color and using Required Texture Resolution mode

Crash when plugging Depth Fade to Base Color and using Required Texture Resolution mode Hi, We have a material that uses the Depth Fade node for the Opacity and Base Color. However, the engine cras ...

Error when exporting OBJ unattended

When doing an unattended OBJ export with python. The export will fail and give the atteched callstack. ...

Ensure condition failed: Play an animation in the finished animation event called from UUserWidget::StopAllAnimation

If a widget has playing animation node in finished animation event, calling StopAllAnimations appends a new UMGSequncePlayer to ActiveSequencePlayers array during array iteration and cause ensure co ...

References to Data Assets that inherit from Blueprints may be broken during reinstancing

It is possible to create new Data Asset instances in the editor that inherit from a blueprint-defined subclass of UDataAsset. This flow is not very well supported, and generally it is safer to just ...

Particle Data Exports only work in the final simulation stage

Particle data will not be exported unless it is in the final simulation stage. ...

Editor crash with virtual texture lightmaps enabled

Using Do Not Create Material in FBX import settings seems to result in only one Material Slot

The licensee reported the following on this issue. The problem seems to be that the comparison below is not working properly. If the Material is not created, it will be a comparison between WorldGr ...

Material PlatformStats Android GLES&Vulkan Pixel Shader Row is empty

I think it's caused by mismatching names of shadertype, which was hand-coded in MaterialStatsCommon.cpp ...