Crash serializing LAN query response in OnlineSessionInterfaceSteam

UE - Networking - Aug 28, 2018

Server will crash in FOnlineSessionSteam::AppendSessionToPacket due to the OwningUserId being null. ...

Alembic Skeletal Mesh not Being Lit Correctly

UE - Gameplay - Sep 13, 2016

When importing an alembic skeletal mesh with an animation that changes the overall form of the object rather drastically it will be lit as if at the end of the animation. To view this you need to ha ...

[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 ...

Crash in MobilePatchingLibrary OnInstallComplete when install fails

UE - Platform - Mobile - Jul 11, 2017

Crash in MobilePacthingLibrary.cpp in the function static void OnInstallComplete FText ErrorText = MobilePendingContent->Installer->GetErrorText(); It looks like MobilePendingConte ...

Alembic Files Import With Blocky UVs

UE - Editor - Content Pipeline - Import and Export - Dec 6, 2019

Alembic files imported come in with blocky UVs. Attached is a zip with the files and pictures that show the issue. Found in 4.23.1 CL#9631420 Reproduced in 4.24 Preview 4 CL#10387632, 4.25 Main CL# ...

Crash when using automated groom import

UE - Editor - Content Pipeline - Import and Export - Jan 5, 2021

UDN customer reported that using automated groom import through Blueprint was crashing. This can probably be reproduced with a Python script using an asset import task with the automated flag set to ...

Crash when force deleting Dataflow Graph

UE - Editor - Workflow Systems - Jul 31, 2023

When force deleting a dataflow graph with the dataflow graph editor open it will crash the engine. This issue is occurring in Binary //UE5/Release-5.3 @ CL 26560699 This issue is occurring in Binar ...

changing skylight resolution to 32 crashes engine

UE - Graphics Features - May 25, 2016

This crash has been experienced internally, and by others in the community while testing the 4.12 Preview. ...

[CrashReport] Mac crash - FRCPassPostProcessInput::ComputeOutputDesc()

UE - Graphics Features - Sep 28, 2017

This is a new Mac callstack that just appeared after the 4.17.2 hotfix. The callstack shares similarities to older Windows crashes and may be related:https://jira.it.epicgames.net/browse/UE-42135ht ...

Attaching a camera actor component that is the child of a spring arm component to a new skeletal mesh's socket will cause a crash on the server

UE - Gameplay - Sep 11, 2015

A User is Spawning an actor, taking the skeletal mesh from it and is attaching a camera from another actor to a socket that is owned by the spawned mesh. This only happens if the camera that is move ...