Collision Viewmodes do not affect Instanced Meshes properly

UE - Graphics Features - Apr 9, 2018

Collision View modes, such as Player Collision and Visibility Collision, do not work with Instanced Static Meshes. Regression?: No This also occurred in 4.18 ...

Crash when using AActor::Rename to change the Outer of an actor to a SubLevel

Tools - Apr 6, 2018

Using AActor::Rename to change the Outer of an actor to a SubLevel will cause the editor to crash when the AActor is shown in the World Outliner. Regression?: Yes This does not happen in 4.18 but ...

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 ...

Setting max undilated frame time to a negative value crashes the editor

UE - Gameplay - Apr 6, 2018

In the world settings of any level, changing the max undilated frame time to a negative number results in the editor crashing. ...

Half precision is not supported for OpenGL ES 3.1 Pixel Shaders

UE - Platform - Mobile - Apr 6, 2018

Fix the cross compiler so half precision is supportedAdd a project setting to specify the default precision to support on ES31. Be sure the shader version takes this setting into account. — User des ...

Perforce batch check-out of files with folders does not work correctly

Tools - Apr 5, 2018

Perforce's Batch check-in / check-out operations do not work correctly when trying to check-in / check-out a folder's contents as a direct asset (when selecting a folder and any other singular asset ...

Media textures are over saturated on ES31

UE - Platform - Mobile - Apr 4, 2018

This looks like the same issue as [Link Removed], but for ES31 (that was originally reported on ES2 and likely ES31 was not tested) So far this has only been tested on Android. It didn't occur on ...

Mesh Clothing Assets Data Does Not Update Unless Asset Details Panel is Closed and Reopened

UE - Simulation - Physics - Character - Apr 4, 2018

Data in the Asset details panel < Clothing(Mesh Clothing Assets) does not update unless the Asset Details Panel or the Mesh editor itself is closed and reopened. User Can not go between the Clothing ...

Dynamic Input and Function Scripts fail to compile by default

UE - Niagara - Apr 4, 2018

All Niagara Scripts are uncompiled by default. This has been logged ([Link Removed]). Compiling the script resolves the warning noted in 66593 for Module and Function Scripts. Dynamic Input Scripts, ...

Blueprint deleting Variables, kills function parameter shortcuts with same name

UE - Gameplay - Blueprint - Apr 4, 2018

When deleting a variable that shares a name with a function parameter. The references to the function will be deleted as well. ...