Scene Capture 2D Doesn't Capture 3D Widget If It Is Off Sceen and Capture Every Frame Is Disabled

Rendering - Aug 14, 2018

The scene capture 2d doesn't capture a 3d widget if it starts off screen with capture every frame disabled. Found in 4.15 CL# 3450819, 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4275031 May be r ...

Lit Translucency Receiving Shadows with Forward Shading Enabled

Rendering - Aug 13, 2018

When forward shading is enabled, particles that have materials with their lighting mode set to "VolumetricNonDirectional" will recieve shadows. Attached images provided by user. Found in 4.19 CL# ...

Projects without PhysX not compiling

Physics - Aug 13, 2018

Compiling without "WITH_PHYSX" leads to compile errors. https://udn.unrealengine.com/questions/450489/projects-without-physx-not-compiling.html Projects without PhysX (WITH_PHYSX disabled) will not ...

[Landscape] returns Incorrect Physical Material

Physics - Aug 13, 2018

Doing a line trace on a landscape does not return the correct physical material unless "Generate Overlap Events" was enabled after changing the physical material. If the physical material on the lan ...

Local notifications do not appear on Android SDK 26

Platform - Mobile - Aug 9, 2018

Local notifications do not work properly on Android with SDK version 26. This is important as Google is now requiring Android SDK 26 or later for new apps. Regression?: No This occurred in 4.19.2 ...

Attempting to compile an editor plugin that spawns an instance of ACullDistanceVolume causes a linker error

Gameplay - Core - Aug 9, 2018

A linker error is encountered if an Editor plugin spawns an ACullDistanceVolume instance. This is caused by neither having ENGINE_API or MinimalAPI specified in its UCLASS macro. Regression?: No Th ...

Find Session and Join Session to join a session over LAN on iOS is inconsistent and requires being run multiple times to work

Networking - Aug 8, 2018

Attempting to use Find Session / Join Session to join a LAN session on iOS results in inconsistent results, requiring the client to press the join button multiple times to join properly. Currently ...

Vertex Interpolate Node Doesn't Work with Lightmass

Rendering - Ray Tracing - Aug 8, 2018

The vertex interpolate node doesn't work with lightmass. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, and 4.21 CL# 4258917 ...

Child Actors do not replicate to clients when running project with "-game" command

Networking - Aug 7, 2018

Child Actors do not replicated properly to clients when running a project using the "-game" commandline argument. This does functionality does work properly in PIE and in a cooked build however. Re ...

Nativized widgets that include a custom button cause a crash if Event Driven Loading is enabled

Gameplay - Blueprint - Aug 3, 2018

Nativizing a Blueprint that includes a custom button (a Blueprint parented to the "Button" class) causes a crash when Event Driven Loading is enabled. Disabling Event Driven Loading can workaround t ...