External Data Layers content not there when activating game features during runtime

UE - World Creation - Worldbuilding Tools - Data Layers - Apr 7, 2025

ChaosCacheManager is not reproducing Trailing Events

UE - Simulation - Physics - Mar 28, 2025

ChaosCacheManager (CCM) is not reproducing Trailing Events. Particles set to track Trailing Events correctly follow the position of the trailing event when the Geometry Collection (GC) is physically ...

ChaosCacheManager is not reproducing Collision Events the second time you Record and Play

UE - Simulation - Physics - Mar 28, 2025

ChaosCacheManager (CCM) is not reproducing Collision events the second time (and onwards) we record a Geometry Collection (GC) breaking session. Particles set to track Collision Events correctly fol ...

Creating a new level in content browser does not give user option of default/empty level

Tools - Sep 8, 2015

Creating a new level in the content browser does not give user the choice of a default or empty level. ...

Make sure games can ship with VS2015 without needing extra redists

Tools - Jul 28, 2016

VS2015 redists are not part of our standard redist install (because their update prereqs on Windows 7 and 8 make them virtually impossible to package in), so applocal install is required. ...

Incorrect behavior from RotateAboutAxis material node

UE - Graphics Features - Feb 24, 2017

Looks like the axis creation may be failing in some cases causing the rotation to generate a bad result. ...

Crash Occurs When Switching Value on TMap

UE - Gameplay - Blueprint - Mar 15, 2017

The editor seems to be intermittently crashing when switching the value of a Map variable. I've only been able to get this to occur when switching from one type to a Vector at this time. ...

[CrashReport] UE4Editor_Sequencer!FSequencerEdMode::CleanUpMeshTrails() [sequenceredmode.cpp:186]

UE - Anim - Sequencer - May 30, 2017

This is a top crash occurring in the 4.16 release. Despite the callstack occurring in Sequencer, many users are experiencing this crash while working in UMG. User Descriptionsscaling track in widge ...

Sequencer render movie output not rendering Construction Script results

UE - Anim - Sequencer - Nov 15, 2018

The rerun construction feature works while scrubbing/playing in the sequencer and observing the results in viewport, However, when outputting the movie using Sequence Movie Output. The results of th ...