Deadlock in UPhysicalAnimationComponent::UpdatePhysicsEngineImp

UE - Simulation - Physics - Sep 13, 2023

Deadlock in Chaos during PIE; the main thread is in USkeletalMeshComponent::HandleExistingParallelEvaluationTask waiting for a task to complete, and a worker thread is running that task and is in US ...

Anim Notify States are ended when CustomTimeDilation is set to zero

UE - Anim - Runtime - Oct 12, 2022

UDN link: https://udn.unrealengine.com/s/question/0D54z00008BEDfJCAX/set-actor-time-dilation-to-0-during-a-animation-notify-state-cancel-it?fromCase=1 Notify gathering functions (e.g. UAnimSequence ...

Incorrect config property serialization for UStructs used as TMap keys or contained in a TSet with a single value. Diffs taken from default-value of each member type, instead of from default-value of the struct

UE - CoreTech - Nov 18, 2024

Consider a UStruct with some basic type members, each one with a default value specified in the struct. Also consider a TSet or TMap with that struct as keys, used inside a UObject as a UProperty an ...

Crashes upon project start up

Tools - Feb 10, 2015

Crash Report: [Link Removed] After downloading latest revision, user is no longer able to open project due to constant crash. ...

SIGSEGV: invalid attempt to access memory at address 0x3

UE - Platform - Apple - Jan 30, 2015

Crash Report: [Link Removed] ...

[CrashReport] UE4Editor_Engine!FViewMatrices::FViewMatrices()

UE - Graphics Features - Aug 3, 2017

This is a trending crash in the 4.17 previews. Unfortunately users have not provided any descriptions of their actions when the crash occurred. Source Context 464 FViewMatrices::FViewMatric ...

Packaging with plugins GearVR and GoogleVR together cause build failed with multiple definitions of GetHMD()

UE - Platform - XR - Sep 7, 2016

Packaging with plugins GearVR and GoogleVR together cause build failed with multiple definitions of GetHMD(). Log attached for build error and error portion plugged into the callstack box. ...

DLC Package content isn't recognized when using RequestAsyncLoad

UE - Foundation - Core - May 24, 2016

Attempting to load dlc assets with RequestAsyncLoad function results in the assets not being recognized. ...

GPU crash when using RVT BaseColor/Normal/Roughness format

UE - Rendering Architecture - May 24, 2023

When using an RVT with BaseColor/Normal/Roughness format on DX12 with a GPU that supports Tier2, a GPU crash may be seen. ...

Oculus crash on "stereo on" when the proximity sensor is not triggered.

[Link Removed] Release-4.15 stream, latest. I built qagame in debug. Then I run it: trigger prox sensor - vr turns on 'stereo off' - vr off release prox sensor 'stereo on' - crash inside ovr_Submi ...