Moving an InstancedStaticMesh will not move meshes collision

UE - Simulation - Physics - Apr 10, 2015

Moving an instanced static mesh will not move the collision along with the mesh. This will leave a visible mesh that players can walk through in one area and a blank space that cannot be walked thro ...

[CrashReport] Linux crash - FLinuxApplication::CreateLinuxApplication()

UE - Platform - Linux - Jul 20, 2017

This is a longstanding Linux crash that occurs with some frequency each release. ...

Actors attached to Spring Arm with rotation lag avoid pitches of 90 and -90 degree

UE - Gameplay - Jan 19, 2018

From User Bug Submission: When an actor/component (e. g. a camera) rotates around another object using the rotation lag of USpringArmComponent, it cannot rotate to the top or the bottom. At these ...

No Editor Audio on Linux when using ALSA

UE - Platform - Linux - Oct 31, 2017

No sound play in editor when using ALSA (Advanced Linux Sound Architecture), and log spam when launching a project ...

"Active" marker on shot track scales improperly when using Time Scale

UE - Anim - Sequencer - Apr 21, 2017

"Active" marker on shot track scales improperly when using Time Scale ...

SkyLight is not affecting the volumetric fog

UE - Graphics Features - Lumen - Nov 24, 2022

Looks like this behavior was working as expected until 5.1 Preview 2 ...

'Random Pitch Angle' not working when 'Collision with World' is enabled for Foliage instance settings

UE - World Creation - Worldbuilding Tools - Foliage - Jan 16, 2017

The 'Random Pitch Angle' setting within the Foliage instance settings are being overridden or ignored when 'Collision with World' is also enabled. This occurs in the binary releases of 4.12.5, 4.13 ...

Convex Decomposition is broken on Linux using Imported Static Mesh

Tools - May 23, 2018

Changing the complexity of the desired mesh using the Hull Count, Hull precision and Max Hull Verts on Linux requires the process more time to complete, but causes no results. This process works as ...

Transform Origin Scale on the Level Sequencce Actor's Instance Data can affect rotations

UE - Anim - Sequencer - Apr 30, 2025

Scale is used as part of the rotation calculation for transform multiplication, and it can have an effect in the sequence transform origins. It's expected that scale is completely ignored, and shou ...