Crash on adding elements to a TMap property

Tools - Jul 25, 2019

Adding elements to a TMap<int32, int32> causes the editor to crash if the TMap has a default value associated with it. Tested in 4.22 (CL - 4753647), 4.23 (CL - 7445012), 4.24 (CL - 7605614) ...

Crash when sculpting on duplicated landscape with edit layers enabled

UE - Graphics Tools - Terrain - Landscape - Jun 8, 2021

Crash happens when trying to sculpt on a duplicated landscape that has edit layers enabled. This crash does not occur for landscapes that are duplicated with edit layers disabled. ...

Editor will crash when trying to change the parent class of a component that is part of a Blueprint Hierarchy

UE - Gameplay - Blueprint - Dec 8, 2016

Changing the inherited parent class of a component that is part of a blueprint hierarchy will cause the editor to crash and prevent the project from opening even if the inherited parent is changed b ...

Alembic Hair Doesn't Render In Both Eyes In VR

UE - Platform - XR - Dec 20, 2019

Alembic hair doesn't render in the right eye in VR. A demonstration project can be found [Link Removed]. NOTE: The hair is rendered as an overlay in other editor previews (skeletal mesh, Physics). ...

GPU / D3d Crash while editing Landscapes

UE - Graphics Tools - Terrain - Landscape - Mar 7, 2023

From licensee: I've been experiencing consistent GPU crashes when tying to edit landscapes since updating to UE5.1. It seems to be exclusively an issue with DirectX 12 (SM5 & SM6). I have no pro ...

PlatformerGame app crashes after opened on tvOS

UE - Platform - Mobile - Nov 30, 2016

PlatformerGame is crashing when packaged and launched on tvOS. Assertion from console log:Nov 30 11:03:12 Apple-TV-Joey PlatformerGame[519] <Notice>: Assertion failed: FMath::TruncToInt(drawableSize ...

Editor crashes when exporting emitters while in PIE

UE - Graphics Features - Nov 15, 2016

My editor often crashes when I export emitters from one PS to another. It doesn't always happen, but often enough. MachineId:97DC791B44BA630C9C2F3E898BBD74D4 EpicAccountId:ecf2758a0d1940589a6131f85 ...

Crash when enabling HZB occlusion culling

UE - Graphics Features - Dec 16, 2020

Enabling HZB Occlusion culling results in a reproducible crash. Looks like a community member noticed this back in preview 2: https://forums.unrealengine.com/unreal-engine/announcements-and-release ...

Crash retargeting an animation blueprint with a RigidBody node

UE - Simulation - Physics - Feb 17, 2017

Crash occurs when the user attempts to retarget an animation blueprint that is using a RigidBody node. ...

Crash in FLandscapeComponentSceneProxy::GetStaticBatchElementVisibility with tiny component size

UE - LD & Modeling - Terrain - Landscape - Feb 27, 2015

Loading a level with a landscape with a 7x7 component size and 2x2 subsections can crash when texture streaming is enabled ...