Particle disappears if it is using PSA_Velocity and setting custom time dilation 0

UE - Graphics Features - Dec 7, 2016

A licensee reported some of their particles disappear when setting the actor's custom time dilation 0. This seems to happen when a particle is using PSA_Velocity as Screen Alignment. This repros in ...

MAC: dSYM files are included in packaging when "include debug files" is checked off

UE - Platform - Apple - Nov 13, 2015

When packaging settings are set to "Shipping" with "include debug files" checked off, UE4-Game-Mac-Shipping.dsym is still present in packaging adding a non-essential 619mb of data. ...

Loss in Specularity on Skin Shading when Shadowed by Indirect Capsule Shadows using r.sss.checkerboard 0

UE - Graphics Features - May 23, 2017

A licensee is reporting incorrect or over exaggerated loss of specularity on the Subsurface skin shading model when shadowed by indirect capsule shadows, and then modifying the r.sss.checkerboard se ...

Landscape Tutorial Missing a Word

Docs - Dec 9, 2019

In the Landscape Tutorial Overview there is a word missing in the tutorial. ...

Sequencer Conditions crash - GarbageCollectionVerification

zComponent - Archive - Apr 3, 2025

Encountered a crash during the garbage collection phase when using sequencer conditions with subsequence tracks. Specifically, objects appear to break the "Disregard for GC" assumptions. ...

Child actors cannot be recognized as children of parent actor within parent blueprint

UE - Gameplay - Blueprint - Jul 16, 2015

Parent blueprints do not recognize child class actors as the same type as the initial parent blueprint. This makes it difficult to create a master blueprint for spawning/ai control/etc. ...

CharacterMovement doesn't clear velocity

UE - Runtime - Simulation - Oct 11, 2024

Velocities are not being cleared when physics simulation set to false.  ...

Scene Capture 2D Actor causes Flickering on Windows 10 when Launched in Standalone

UE - Graphics Features - May 2, 2016

Screen/Playable window flickers when playing in Standalone on Windows 10. A few users are reporting this issue which is exclusive to Windows 10 and Standalone mode. There is another issue the could ...

Start Up Movies Require Click when Finished to Open Level

Tools - Sep 11, 2015

After a Start Up movie has completed playing, the initial default map will not load until the user clicks the mouse. The option to 'Wait for Movies to Complete' is checked which will force the user ...

The Ease function's Blend Exp reverts to its default value after closing/reopening the editor

UE - Gameplay - Blueprint - Jan 20, 2015

The Ease function's Blend Exp reverts to its default value after closing/reopening the editor. Reproduced in 4.6.1 binary and in Main (CL-2408355). ...