[CrashReport] Linux crash - FVulkanCommandBufferManager::WaitForCmdBuffer

UE - Graphics Features - Aug 22, 2017

This is a semi-common Linux crash coming out of 4.17.1. It is spread among a few different similar callstack affecting a handful of users. [Link Removed] [Link Removed] [Link Removed] [Link Removed ...

Shader used factories/types/pipelines should be in DDC key

UE - Graphics Features - Jan 31, 2018

A licensee noticed that the ShouldCache types for FLandscapeMaterialResource changed in the 4.18.2 but this did not affect the DDC keys generated. This caused an endless compilation loop where the s ...

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 ...

UActorFactory::PostSpawnActor gets called twice when an actor blueprint class is dragged into the scene

UE - Gameplay - Jan 11, 2019

Whenever dragging and dropping an actor to the Scene, the function UActorFactory:: PostSpawnActor gets called twice. Tested in 4.20.3 (CL - 4433814), 4.21.1 (CL - 4705082), 4.22 (CL - 4708082) ...

Editor UI does not scroll correctly for the Landscape Paint tab

UE - LD & Modeling - Terrain - Landscape - Mar 6, 2019

The Target Layers Scrollbar UI for the Paint section of the Landscape tab does not scroll completely to the last element. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5159901), 4.23 (CL - 4980862) ...

Tooltips for Exterior LPF and Interior LPF are reversed

UE - Audio - Mar 13, 2019

The tooltips for the Interior LPF and Exterior LPF are reversed where the Interior LPF has the Exterior LPF's tooltip and viceversa. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5385847), 4.23 (CL - ...

Interstitial Ads do not appear

UE - Platform - Mobile - Apr 2, 2019

While Ad Mobs work with no issues on the Android, Interstitial Ads do not seem to work when called upon in Blueprint. Tested in 4.21.2 (CL- 4753647), 4.22 (CL - 5673098), 4.23 (CL - 5685256) ...

Skylight is not Captured in Reflection Probes

UE - Graphics Features - Apr 2, 2019

Skylight is not Captured in Reflection Probes. Unable to test in 4.20 due to project provided being 4.21 Found in 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 5687320 ...

Translucent Elements of an Invisible StaticMesh are Visible If Hidden Shadow is Enabled

UE - Graphics Features - Apr 5, 2019

Translucent parts of a static mesh is still visible after setting to invisible and Hidden Shadow. Working as expected in 4.20 CL# 4369336, and 4753647 Found in 4.22 CL# 4660361 and 4.23 CL# 576279 ...