Crash Occurs When Setting Child Actor Class in Child Blueprint

UE - Gameplay - Blueprint - May 4, 2017

A crash occurs when setting the Child Actor Class of an inherited child actor component. This is not a regression. It occurs in 4.14.3 CL# 3249277, 4.15.2 CL# 3416026, and 4.16 Preview 2 CL# 34155 ...

Crash when hot reloading after adding HISM Component class

UE - Foundation - Cpp Tools - Hot Reload - May 15, 2017

After adding a class based on "Hierarchical Instanced Static Mesh Component", any attempt to hot reload, from Visual Studio or within the editor, causes the editor to crash. Regression: No - crash ...

Monitor Directories does not prompt for re-import if change is made

UE - Editor - Content Pipeline - Import and Export - May 26, 2017

In the 4.16 Binary build When making changes to an asset that is set up for auto import, or in a folder that is a Content Monitored directory, changes made do not get detected by the engine. Regres ...

New folders don't show up in World Outliner when "Only in Current Level" is set

Tools - Aug 31, 2017

When Only in Current Level is set in the World Outliner, any new folder will be hidden by default since there are no assets from the level in the new folder. This make it seem that the folder wasn' ...

Set All Bodies Below Simulate Physics Only Causes Ragdoll Effect if it is Set to Root Bone

UE - Simulation - Physics - Sep 29, 2017

-This functions in 4.16 -Physics will only simulate if the Third Person Character bone name variable is set to root -Physics does not affect any other bone -Make sure to plug in set in collision f ...

Sampling Scene Texture in Custom Expression in Post Process Material Breaks Viewport UV

UE - Graphics Features - Apr 6, 2018

This issue does not occur in 4.18.3 but does occur in 4.19 and Main, making this a regression. Per user: I suspect there's an issue with custom expressions and sampling coordinates. It appears onc ...

Performing a Clean on a project using a binary Engine installation on Mac removes some Engine .dylib files

UE - Foundation - Core - May 17, 2018

When a Clean is performed on a code project that uses a binary Engine installation on a Mac, some of the Engine's .dylib files are removed during the Clean process. A Clean process for a project usi ...

Scrollbox widget moves much slower when using a gamepad

UE - Editor - UI Systems - Aug 1, 2018

Using the gamepad to scroll a scrollbox causes the scrolling to move slower. Tested in 4.18.3(CL - 3832480), 4.19.2 (CL - 4033788), 4.20.1 (CL -  4233996), 4.21 (CL  - 4245542) ...

Using Volume Materials in a Material Billboard Causes Crash When Used with Volumetric Fog

UE - Graphics Features - Dec 3, 2018

Using volume material used in a material billboard Causes Crash When used with volumetric fog. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 CL# 4541578, 4.22 CL# 4618663 ...

UBX Collision Rotation Is Set Incorrectly on FBX Import

UE - Editor - Content Pipeline - Import and Export - Dec 4, 2018

Imported FBXs that use UBX will import their collision rotation incorrectly. You can see this when scaling the collision non-uniformly.  Found in 4.20 CL# 4369336, 4.21 CL# 4541578, and 4.22 CL# 46 ...