Unreal Engine Issues

Setting NavModifierVolume's AreaClass at runtime does not result in navmesh rebuilding

The volume does accept the change and if it gets moved the navmesh will rebuild with new area set. The core issue is that setting NavModifierVolume.AreaClass at runtime does not notify navigation sy ...

Duplicating a Function Containing Add Child Actor Component Causes Changes Made to the Duplicate to be Saved to the Original

When you create a function containing an Add Child Actor Component node, duplicate that function, and then change the Child Actor Class option in the duplicate, the changes are also saved to the ori ...

Blueprint variables get reset if not made Public

When a blueprint variable is not set to Instance Editable, its value gets reset at runtime. This seems to occur because the variable OriginalCannonTransform seems to get reset/nullified after being ...

Sound Cue with Branch or Switch node has incorrect duration when played in a level sequence

Sound cues with a branch or switch node will show in the sequence with the longest duration of any waves within the cue, despite which one will be played. During playback the section length will dif ...

Unicode BIDI control character effect has not been applied to an auto wrapped line

Crash when changing Twinmotion Cloud and Content library to same folder

Pose flickering when changing lods and using Layered Blend per Bone

Enable high quality Gaussian DOF cause black screen on Android(S6)

This is only happen on Android, no problem on IOS ...

Compiling blueprints with a reroute node attached to a class variable to a "Spawn for gameplay task" causes the pin to "instigator" to disconnect

Creating a reroute node between a class variable and a "Spawn actor for gameplay task's" class pin will cause the variable attached to the instigator pin to disconnect. ...

Detaching part of the Visual Logger window and then closing the Visual Logger tab causes a crash

It seems that when a section of the Visual Logger is detached from the window as a whole and then that window is closed when docked next to the Content Browser, then the engine crashes. However, whe ...