ShaderCacheTool build fails

UE - Graphics Features - Oct 25, 2017

In 4.18 and 4.19, it is no longer possible to build the ShaderCacheTool. REGRESSION: Yes. The ShaderCacheTool builds successfully in 4.17.2. It looks like the missing MergeShaderCacheFiles property ...

On Linux, Mouse input is not capture in Skeletal mesh editor -> Section Selection right click menu

UE - Platform - Linux - Nov 3, 2017

Attempting to interact with the pop up menu that appears when right clicking in Skeletal Editor -> Section Selection causes the pop up menu to be closed instead. Regression: No - same behavior occu ...

CLONE - ShaderCacheTool build fails

UE - Graphics Features - Nov 20, 2017

In 4.18 and 4.19, it is no longer possible to build the ShaderCacheTool. REGRESSION: Yes. The ShaderCacheTool builds successfully in 4.17.2. It looks like the missing MergeShaderCacheFiles property ...

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 ...

Datasmith is failing in converting UCX geometry to collision shells from Sketchup

UE - Editor - Content Pipeline - Datasmith - Exporters - Aug 21, 2018

Importing a Sketchup file that has the 'UCX_' prefix for collision, the collision is not imported into the Editor. Instead it is imported as a Static Mesh Actor. This is happening in both 4.19.2 ( ...

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 ...

Custom Stencil Not Working for Mobile

UE - Platform - Mobile - Nov 14, 2018

Setting a custom stencil on meshes is not working when using a mobile renderer. This is working as expected in 4.20 CL# 4369336 Found in 4.21 CL# 4541578 and 4.22 CL# 4556068 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)  ...