TRASH_Comp in Octree that missing unregister

UE - AI - Navigation - Feb 25, 2025

the reproduce video and project are in the slack links: Slack Link: [Link Removed] ...

Landscape Grass Type will not build with static lighting leaving 'Lighting needs to be rebuilt warning.'

UE - World Creation - Worldbuilding Tools - Foliage - Sep 3, 2015

When using the Landscape Grass Type and using a Static or Stationary light will throw the 'Lighting needs to be rebuilt' warning. ...

Child Actor Component references are not sent to the Server through a Run on Server RPC

UE - Networking - Nov 9, 2015

Child Actor Component references are not sent to the Server through a Run on Server RPC. Test project attached. Reproduced in 4.9.2 binary and Main (CL# 2758903). ...

"Play Rate" below 1 and "Force Fixed Frame Interval Playback" causes choppy renders

UE - Anim - Sequencer - Jul 12, 2016

"Play Rate" below 1 and "Force Fixed Frame Interval Playback" causes choppy renders. This was explained by Max on Answerhub to the user, but this seemed like something that should be bugged and loo ...

Using a custom #define as the condition for a UFUNCTION's declaration will cause the function to not show in blueprints

Using a custom #define as the coniditon for an #if / #endif that encapsulates a UFUNCTION that is marked as BlueprintCallable will prevent it from being visible in blueprints despite the #if resolvi ...

Collision boxes slow to move when using higher poly meshes

Tools - Jun 15, 2015

Collision boxes become sluggish to move when using higher poly meshes. High poly boxes attached (60 K and 120K tris) Users Video for reference: [Link Removed] ...

A duplicated component in the blueprint editor is invisible and the pivot stays at 0,0,0 until compiled

UE - Gameplay - Blueprint - Jun 19, 2015

A duplicated component in the blueprint editor is invisible and the pivot stays at 0,0,0 until compiled User Description: Since 4.8 if I duplicate a child actor component in the viewport the dupli ...

Show progress/cancel button during lengthy destruction fracture

UE - Simulation - Physics - Jul 25, 2014

When the 'Fracture' button is clicked on a Destructible Mesh made from SM_MatPreviewMesh_02, the editor immediately freezes and stops responding. ...

Static Shadows disappear with Stationary directional light when close if dynamic shadows have been turned off

UE - Graphics Features - Mar 17, 2015

If using a Stationary directional lighting with object that have disabled dynamic shadow casting will lose their statically cast shadows when the dynamic lighting is in range. See attached image a ...

Changes to the Navigation settings aren't saved when edited in the Static Mesh Editor

UE - AI - Mar 23, 2017

Changes to the Navigation settings aren't saved when edited in the Static Mesh Editor. The values will reset back to default values when the asset is reopened. ...