The Toggle Comment Bubble button for Reroute nodes does not revert the comment bubble to constant visibility

UE - Gameplay - Blueprint - Nov 21, 2015

The Toggle Comment Bubble button for Reroute nodes does not revert the comment bubble to constant visibility if the bubble is set to only appear when the node is hovered over. This does not occur w ...

Foliage Not Updating to Match New Landscape Height After Level Save-As

UE - World Creation - Worldbuilding Tools - Foliage - May 3, 2018

I have observed this behavior in 4.18.3, 4.19.2, and Main (CL 4048405) Per User: I made a landscape, painted some foliage and saved the scene. After I saved the same scene under different name the ...

Pawn's role is incorrect in BeginPlay on client if a multicast RPC is called in BeginPlay on server

UE - Networking - Jun 6, 2022

It seems as though calling a multicast RPC during BeginPlay on the server will cause the new actor to finish spawning on the client before applying any initial replicated data, such as the actor's R ...

Materials for certain groups appear black in Path tracer when "Keep hierarchy" is used to import .skp files.

TM - Interoperability - Mar 3, 2025

Reported by a client in SF [Link Removed] When importing SKP files using the Keep Hierarchy collapse mode, some imported objects in Groups inside SketchUp will appear black in Path Tracer. Appears ...

BSOD when launching Twinmotion on NVIDIA 50-series GPUs with 576.02 Drivers

TM - Rendering - Apr 22, 2025

Reported from multiple users. NVIDIA RTX 50-series GPU users are reporting BSODs when attempting to launch Twinmotion with the latest drivers installed. The crashes occur on the 576.02 driver versi ...

Sometimes CharacterMovement stops at very low steps (quite lower than Max Step Height).

UE - Gameplay - Player Movement - Jul 11, 2016

Sometimes CharacterMovement stops at very low steps (quite lower than Max Step Height). Capsule radius of Character is 50cm, Max Step Height is 45cm, step heights is around 10~30cm, MaxWalkSpeed is ...

Landscape UI Elements are not visible

UE - LD & Modeling - Terrain - Landscape - Oct 4, 2016

Per conversation between Gareth and Mike, it was determined the Landscape tool is in Game Mode by default. Within the Landscape Tool, all UI elements are disabled by default. This has been observed ...

Random Number Generated in Constructor Returning Different Value on Begin Play

UE - Gameplay - Jan 13, 2016

When generating a random number using FMath::RandHelper() in the constructor of an actor, attempting to print that same number on BeginPlay returns a different value than the constructor. However, ...

Media Texture Not Displaying When Launched to Android Device

UE - Rendering - Architecture - Materials - Dec 17, 2015

UPDATE: 12/23/2015 This appears to be occurring on packaged projects for Win64 as well. ====================================================================== When attempting to launch a level t ...

There is no obvious way to disable Auto Exposure in a post process volume

UE - Graphics Features - Jan 31, 2022

There is no easy way to disable auto-exposure on a per-component basis.  This is a big source of confusion for people new to Unreal.  The work around is to set Min and Max Brightness to 1 or set to ...