[CrashReport] UE4Editor_SlateCore!SWidget::ExecuteActiveTimers() [swidget.cpp:986]

UE - Rendering Architecture - Materials - Dec 15, 2017

User comments:right mouse button in material editor made engine crash....becomes slow and crash....64gb ram, 2 xeon and gtx690....need to restart computer to everything works fine. need a solution t ...

Welded grandchildren do not overlap properly when their grandparent is simulating physics

UE - Simulation - Physics - Jun 7, 2018

Grandchildren (C in an attachment hierarchy of A < B < C) that are auto welded have issues related to overlap events when moving via physics. They tend to overlap later than they should. This does n ...

Web browser widget does not receive input when used in a 3D widget component on Android

UE - Platform - Mobile - Jul 9, 2018

Web browser widgets to not receive input when used in a widget component on Android devices Update: Oculus Quest devs attempting to implement and interact with the web browser widget via widget i ...

Beam Emitter Does Not Use Local Space

UE - Niagara - Jul 11, 2018

The Beam Emitter does not use local space, and you cannot check “Use Local Space“ in Required module. Found in 4.19 CL# 4033788, 4.20 Preview 5 CL# 4173640, 4.21 CL# 4199311 ...

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

UE - 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 ...

Changing Frame Buffer Pixel Format to Float RGB Causes Editor to Crash

UE - Virtual Production - Aug 20, 2018

Changing Frame Buffer Pixel Format to Float RGB Causes Editor to Crash. Unable to test in 4.19 due to setting not being available. Found in 4.20 CL# 4233996 and 4.21 CL# 4299102  ...

Changing Area Light Settings In Blueprint Causes Crash

OLD - Enterprise - Aug 27, 2018

Changing area light settings in blueprint will Cause a crash. Found in 4.20 CL# 4302132 and 4.21 CL# 4307852 Unable to test in 4.19 due to provided project being in 4.20 ...

Adding an Output to a Collapsed Node Graph by Dragging a Pin to it Won't Update Properly

UE - Gameplay - Sep 18, 2018

Adding a output pin to a collapsed graph through dragging it on adds it to the list of inputs and doesn't update the input/output nodes. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# 43 ...

Can't save level that has landscape layer material when moving level asset

UE - LD & Modeling - Terrain - Landscape - Sep 26, 2018

Can't save level that has landscape layer material when moving level asset. It look like regression,because it can save level asset in 4.19. This issue occur also that moving "Landsacape" level as ...

UMG Background Blur Not Working On Android

UE - Platform - Mobile - Oct 9, 2018

UMG Background blur does not appear when packaged for android. It will work in PIE at the same preview level but not when packaged for the device. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 ...