Timing appears to be different for the first call of tick

UE - Gameplay - Nov 30, 2016

Timing appears to be different for the first call of tick causing the camera to appear in a different area than what it was in 4.13 This issue appears to be a regression ...

If shot track ends short of the Master Sequence length, all actors return to default state

UE - Anim - Sequencer - Oct 14, 2016

If shot track ends short of the Master Sequence length, all actors return to default state. This becomes an issue when you need the actors manipulated in Shot 1 to maintain their "end state" into s ...

Static meshes with auto-generated LODs can no longer share lightmaps between LODs

UE - Graphics Features - Feb 21, 2017

User report: With 4.15 using only auto generated LOD's static mesh LOD levels can't share computed lightmaps anymore. This cause severe memory increase and it's making lightmass build times way slow ...

Modifying a Static Mesh's "Y" Collision Rotation also modifies "X" and "Z" Rotation

UE - Gameplay - Dec 12, 2016

If the user modifies the "Y" Rotation value of a Static Mesh's Collision, the "X" and "Z" values are changed. The values will move +/- 1 point from their value prior to modifying the Y value. This ...

Media Player freezes project in shipping build of game

Media Framework - Oct 17, 2017

When using the Media Player freezes project in a shipping build of the game, the game will freeze and the only way to quit will be to forcefully close the program. This issue is a regression. Versi ...

IOS 11 Freezes When Generating Particles Using SphereMask

UE - Platform - Mobile - Nov 16, 2018

When playing a particle using SphereMask, iOS 11 device terminal freezes.This issue is not a crash, it's screen freeze. Reproduced deviceiphoneX :iOS 11.4.1iphone7 :iOS 11.4.1 Not reproduced devic ...

Action RPG Sample packaging fails with BP Nativization method set to Exclusive

UE - Gameplay - Blueprint - Dec 3, 2020

Not a regression as this also occurs in 4.25.4 Packaging does not work with BP Nativization on exclusive or inclusive (see [Link Removed]) Error Message: C:\Users\corey\Documents\Unreal Projects ...

Nameclash error when importing skeletal mesh

UE - Editor - Content Pipeline - Import and Export - Jan 5, 2021

The attached FBX file is getting a nameclash error when imported.  This content is licensee content please delete after using. This issue is NOT occurring at 4.25.4 Binary @ CL 14818863 Marked as ...

Skeletal mesh always registers as Dynamic when testing collision

UE - Gameplay - Oct 26, 2016

Skeletal meshes do not respect collision changes from World Dynamic, always returns as Dynamic. Regression (no) issue (does) occur in 4.12.5 ...

Exponential Height Fog is not working

UE - Graphics Features - Dec 28, 2015

Exponential Height Fog has no effect on the level. Adjusting the fog density has no effect either. Tested in 4.11 stream CL-2811790 ...