High Quality Gaussian DoF on Mobile is broken

UE - Platform - Mobile - Apr 11, 2018

UDN issue:  4.19 High Quality Gaussian DoF on Mobile效果出错? Another answer hub report: https://answers.unrealengine.com/questions/757162/dof-bug-on-mobile-with-419p4.html ...

Editor grid zfighting with meshes

UE - Graphics Features - Jun 15, 2018

The editors snap grid will zfight with flat surfaces of static meshes and BSPs. Found in 4.19 CL# 4033788, 4.20 preview CL# 4121666, 4.21 CL# 4131780 ...

Set Material in Blueprint Causing Crash

UE - Graphics Features - Jul 30, 2018

Using "Set Material" for a static mesh in blueprint causes a crash. Working properly in 4.19 CL# 4033788 Found in 4.20 CL# 4233996 and 4.21 CL# 4234136 This is a regression. ...

Cascade Alpha Over Life Module Doesn't Interpolate Vaules That Differ in .05 or Less With "Can Be Baked" Enabled

UE - Niagara - Aug 16, 2018

Alpha over life module doesn't interpolate vaules that differ in .05 or less with "Can Be Baked" enabled. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4291146 ...

Find Session times out when run while in a Steam Session

UE - Networking - Aug 30, 2018

A user has reported an issue where Find Session times out when attempting to run it while hosting a Steam session or while being the client of one. The user mentions that this is caused by RequestLo ...

Crash When Trying to Set Default Values to a Structure That Includes a Transform Variable

UE - Gameplay - Sep 6, 2018

The Editor will crash when trying to set default values to a structure that includes a transform variable. Found in 4.19 C# 4033788, 4.20 CL# 4302132. 4.21 CL# 4347190 ...

Lightmap Density Of Imported FBX Offsetting When Lighting Is Built

UE - Graphics Features - Oct 8, 2018

Lightmap density of imported fbxs will be offset when lighting is built.  Working as expected in 4.19 CL# 4033788 Found in 4.20 CL# 4369336, 4.22 CL# 4433008 This is a regression  ...

Crash frequently when switch the material viewer

Tools - Dec 17, 2018

This happens almost 100% on a MBP/MaxOS, (2.3GHz Quad-Core Processor ,8GB 2133MHz LPDDR3 memory), also happens in a lower frequency on PC/Windows, (nvidia 1080, 64 memory)  ...

Setting a Vector value in the Material Parameter Collection causes crash

UE - Graphics Features - Mar 1, 2019

Creating a Vector parameter within the Material Parameter collection causes a crash with the engine. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5159901), 4.23 (CL - 4980862) ...

Crash on debugging a minimized Blueprint (access violation in SWatchTreeWidgetItem)

UE - Gameplay - Blueprint Editor - Mar 27, 2019

Debugging a blueprint with a breakpoint while the Blueprint Editor window is minimized causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5531554), 4.23 (CL - 5586947) ...