Cvars sections in Sequencer behaving incorrectly when using MRQ

UE - Virtual Production - Tools - MRQ - Aug 9, 2023

Some key lines in the code:Engine\Source\Runtime\MovieSceneTracks\Private\TrackInstances\MovieSceneCVarTrackInstance.cpp:177 --> Apply   CVar when entering sectionEngine\Source\Runtime\MovieSceneTra ...

Crash when using VR Mode with Extra Viewports and a Camera Actor

UE - Editor - Workflow Systems - Jul 6, 2019

From User: "Normally UE4 has an "Eject" button which is great for live-debugging your app, because you can see everything that's happening in your world, and see the World Outliner in realtime whil ...

Old iTunes DLL causes UBT to fail on startup

UE - Platform - Mobile - May 2, 2022

Engine Crashes when saving a project to disk space is full

UE - Foundation - Core - Feb 14, 2017

I ran out of space in my D drive and my project autosaved and received the attached error message This is NOT a regression ...

Crash when Enabling HDR in a Standalone Fullscreen Game

UE - Graphics Features - May 22, 2019

Enabling HDR with the r.HDR.EnableHDROutput command causes a crash in fullscreen standalone as well as packaged projects. This only happens with HDR monitors, following the same steps on a monitor t ...

Mutable references MetaHumans heads directly, but DNA Assets are private

UE - Anim - Mutable - Sep 18, 2025

When we switched our project to 5.6.1 This error appeared on build. The compilation of the Mutable assets in the editor is not reporting any issue. ...

[CrashReport]Assertion failed: InitState == EWorldPartitionInitState::Uninitialized [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\WorldPartition\WorldPartition.cpp] [Line: 1485]

UE - World Creation - Worldbuilding Tools - World Partition - Sep 12, 2023

Generated from CrashReporter Logs can be obtained via Crash Reporter ...

StaticMesh->RenderData->LODResources[0].IndexBuffer empty in Standalone games.

UE - Gameplay - Nov 14, 2014

GetArrayView is returning incorrect values in Standalone games. The correct values are returned when played in Editor. ...

Crash when toggling the SmartLinkEnabled state of a NavLinkProxy specifically in a packaged game targeting Debug/Development

UE - AI - Navigation - Jan 24, 2025

The licensee has reported, and I was able to reproduce, that specifically in package builds targeting Development configuration, trying to toggle the SmartLinkEnabled state of a NavLinkProxy will cr ...