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 ...

Crash when changing Twinmotion Cloud and Content library to same folder

nonstandard bsp additive brushes cause breaking/artifacting on other bsp brushes when colliding

if a nonstandard additive bsp brush collides with a standard additive bsp brush, the surfaces of the bsps break and artifact, causing numerous holes in the brushes. ...

Draw Line in HUD does not respect alpha < 1.0

Draw Line in HUD does not respect alpha < 1.0, instead drawing completely opaque in all circumstances. Regression (No) issue (does) occur in 4.10.4 ...

Dropdown selection box jitters when mouse is moved over top of it on Mac

This is a regression as it does not occur in 4.14.3 at CL 3248269 Update chris.wood: I think this might be a wobble caused by floating point errors in SMenuAnchor::Tick() ...

Light Propagation Volume does not work on Linux

It's easiest to see the change on the top of the table or back of the chairs when following the repro steps. I've attached screenshots of the Windows and Linux comparison with Intensity set to 20. ...

Custom Transition Notification Events do not update in the Event Graph when their name is changed in the Locomotion State Machine

It seems like the name will not update for the already place node automatically, however if a new one is created, the old name no longer appears in the node list and only the event node with the cha ...

Virtual Texturing: RuntimeVirtualTextureOutput Node Can Be Used with a Virtual Texture Domain Material

When adding a RuntimeVirtualTextureOutput node to a Virtual Texture domain material, the RVT Output node overwrites any data being sent to the normal material node's output, which interferes with th ...

After loading a SubLevel from the PersistentLevel of WorldComposition, the offset of WorldComposition is applied when loading the SubLevel alone

When loading a Sub Level from the Persistent Level of World Composition, the offset of WorldComposition is applied when loading the Sub Level by itself. The offset can be applied repeatedly when rel ...