Audio tracks with multiple subtracks will paste parent track when a subtrack is copied and pasted in Sequencer

UE - Anim - Sequencer - Aug 8, 2019

Copying and pasting audio subtracks will paste the parent track and its subtracks not just the selected subtrack. ...

iOS movie become laggy and crashes when played in iPhone 6/6s.

UE - Platform - Mobile - Feb 24, 2017

Movie play in iOS is laggy and crashes in some movie. This issue seems to be happening when the movie is played in umg widget. Tested in 4.14.3 4.15 Dev_Mobile Latest as of 2/24 Original UDN post ...

GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used

UE - Graphics Features - Lumen - Sep 18, 2019

GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...

Landscape smooth and flatten tools deform the terrain incorrectly

UE - Graphics Tools - Terrain - Landscape - May 25, 2022

The Landscape smooth and flatten tools can deform the landscape incorrectly causing chunks of the landscape to be removed (see attached image). ...

SkeletalMesh editor: Make static mesh mess the LOD 1 plus material slot

UE - Editor - Content Pipeline - Import and Export - Jun 28, 2024

Setting World to Meters in the World Settings to a large number will cause the console to show incorrectly in VR

UE - Platform - XR - Jan 4, 2016

If the User changes the "World to Meters" setting in the World Settings this will cause the console to appear offset when brought up in VR. Note: the number used was 3600 ...

FXmlFile asserts on valid empty XML documents

Tools - May 5, 2016

Code asserts because it assumes that a self closing node is within another node or has another node left in the doc to parse ...

Material billboards cannot be scaled

UE - Graphics Features - Oct 17, 2016

Material billboards cannot be scaled. The Material billboard appears to be unaffected by setting its scale ...

Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart

UE - Gameplay - Components - Dec 2, 2015

Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart. [Link Removed] Reproduced in 4.9.2 binary, 4.10.0 b ...

Shadows of small movable components popping out

UE - Graphics Features - Jan 19, 2017

This must be a regression ...