Two sections can be created when MovieScene3DAttachTrack is added from Sequence Scripting

UE - Anim - Sequencer - Oct 17, 2019

If you add a track for Attach from Sequencer Scripting and add a section to it, two sections are automatically added.If you don't use Sequencer Scripting, only one section will be added ...

Saving Level changes the Rotation of actors with parent-child relationships

UE - Gameplay - Components - Nov 14, 2019

According to the licensee report, UnrealMath.cpp (588) constfloat SINGULARITY_THRESHOLD = 0.4999995f; It seems that this can be avoided by changing the above value. However, changing SINGU ...

Particles are only activated when the camera moves back

UE - Niagara - Mar 3, 2020

UParticleSystemComponent :: CanConsiderInvisible () Particles determined to be invisible by MaxSecondsBeforeInactive seem to be activated only when the camera moves back. Is this correct behavior? ...

Crash when creating nested child actors

UE - Gameplay - Blueprint Compiler - Aug 18, 2020

Setting the root of the furthest child actor results in a crash after pressing compile on the blueprint. Example project: [Link Removed] ...

console command "viewmode lodcoloration" doesn't work in standalone game

UE - Graphics Features - Jan 4, 2023

refer to attached video ...

Calling RemoveAllAnchors function on a non-clustered geometry collection falls extremely fast

UE - Simulation - Physics - Destruction - Feb 8, 2023

Non-clustered geometry collections applied RemoveAllAnchors are not put into FPBDRigidsSOAs::DynamicGeometryCollectionArray, so acceleration is not reset every tick and they fall super fast. The fol ...

MoviePipeline: EXR Output Format can't be added via C++

UE - Anim - Sequencer - MRQ - Apr 4, 2023

Horde server fails to build Docker image

UE - Foundation - Horde - Server - Apr 1, 2025

If you attempt to build the Horde server Docker image right now it fails unless you have some of the layers cached or a nuget proxy/cache that has cached some packages. JetBrains have renamed their ...

Landscape LOD menu does not appear in Details Pane

UE - Foundation - Core - Apr 8, 2015

Landscape LOD menu is missing from Details Pane of editor. Found in Master Branch, latest commit before pulling branch. ...

GetHitResultUnderCursor does not always return true with landscape collision

UE - LD & Modeling - Terrain - Landscape - Mar 13, 2015

When using GetHitResultUnderCursor and pressing LMB over a landscape, there is a chance that the location chosen will return false when it should be returning true. It seems dependent on what area o ...