Crash when changing the variable type of a variable used in a blutility function

Gameplay - Blueprint - Feb 22, 2019

When changing the variable type of a variable that is used in a function for a blutility a crash can occur ...

Child Actors are not replicated to clients when the parent blueprint is nativized

Gameplay - Feb 22, 2019

Child actors do not replicate properly to clients when their parent blueprint is nativized. Regression?: Yes This did not occur in 4.20.3 See also UE-70343 ...

Crash When Adding a Second Vector Parameter to Material Parameter Collection

Rendering - Feb 21, 2019

The Editor will crash if you add more than one vector parameter to a Material Parameter Collection.  This works as expected in 4.21 CL# 4753647 Found in 4.22 Preview 2 CL# 5035897 and 4.23 CL# 506 ...

Mobile projects crash with Event Driven Loader disabled

Platform - Mobile - Feb 21, 2019

iOS + Android apps will crash on launch if Event Driven Loader is disabled. Confirmed in 4.23 MAIN at CL 5035898 ...

Nearest Filtering on Vulkan doesn't work on some kinds of Android Devices

Platform - Mobile - Feb 21, 2019

The licensee reported "Nearest" filtering on Vulkan doesn't work on some kinds of Android devices.[Image Removed] I was able to repro this issue on Pixel3 but wasn't able to repro it on Xperia X Pe ...

Failure to sign when packaging for iOS Distribution when using Remote Compile from a code project on Windows

Platform - Mobile - Feb 20, 2019

Packaging for iOS Distribution from Windows using Remote Compile results in a failure during the signing portion. This seems to be caused by a hardcoded "false" for a property that is used to determ ...

Importing through Python fails

Tools - Import - Feb 20, 2019

Version 4.21:The script result in popping the Alembic Import windows instead of a silent importThe provided options are ignored by the importer.  Version 4.22: Results in the provided callstack wi ...

Static Mesh LOD Generation Produces Bad Shading and Holes in Mesh

Rendering - Feb 19, 2019

Auto generated LODs create a mesh with holes and geometry that creates incorrect shading. Working as expected in 4.21 CL# 4753647 Found in 4.22 Preview 2 CL# 5035897 and 4.23 CL# 5064136 This is ...

Malformed command sent to UAT if BuildCookRun command ends with a trailing slash ("\")

DevTools - Feb 14, 2019

Including a trailing slash ("\") at the end of a BuildCookRun command sent to UAT results in UAT receiving a malformed command. If the command ends with a slash, the resulting command that UAT recei ...

Potential for race conditions in startup movies to cause crash

Tools - Feb 14, 2019

In startup movies there is a potential for a race condition when getting the size of an FMovieViewport. This has led to crashes for licensees. The shared pointer ...