Unreal Engine Issues
Unreal Engine Issues
Paper2D performance regression due to TArray resizing
UE - Graphics Features - Aug 16, 2019We've noticed after upgrading our heavy Paper2D project to 4.22 that tilemap performance has been massively degraded compared to previous versions. After some digging we found out that it's due to a ...
[CrashReport] UE4Editor_SequenceRecorder!FAnimationRecorder::Record() [animationrecorder.cpp:616]
UE - Anim - Sequencer - Aug 22, 2017According to CrashReporter there is both an Ensure and a Crash that occur with this callstack. The error message for the Ensure is Ensure condition failed: UIDList == AnimationCurves.UIDList [File:D ...
Crash on opening Control Rig asset that was created in UE5-EA
UE - Anim - Rigging - Control Rig - Nov 8, 2021This issue was found from an external user on Twitter using UE5-Early Access - [Link Removed] The crash happens on asset load. User says that they were following Gabriele's video - [Link Removed] ...
[CrashReport] Crash occurring in Phonon::FPhononReverb::ProcessMixedAudio
UE - Audio - Apr 27, 2017This is an early trending crash coming out of the 4.16 Preview. Users have not provided any additional information. From Log:/Game/VirtualRealityBP/Maps/UEDPIE_0_StartupMap.StartupMap (0.006787s) ...
[CrashReport] UE4Editor_Kismet!FFindInBlueprintSearchManager::OnCacheAllUncachedBlueprints() [findinblueprintmanager.cpp:2095]
UE - Gameplay - Blueprint - Nov 2, 2017This is a trending crash coming out of 4.18; it may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2093 // Start the cac ...
Crash on map change with non-null values for GPropertyColorationClass and request customizable property coloration color
UE - Editor - Workflow Systems - Aug 7, 2023This was found by a customer through a UDN, and they offered the fix for it, as well. The basic steps to reproduce the crash are as follows:call GEditor->SetPropertyColorationTarget(...) somewhere i ...
[CrashReport] UE4Editor_PropertyEditor!SDetailSingleItemRow::OnArrayDrop() [sdetailsingleitemrow.cpp:172]
Tools - Oct 10, 2017This is a trending crash coming out of the 4.18 previews. Users have not provided any descriptions of their actions when the crash occurred. The callstack shares similarities to [Link Removed] whi ...
[CrashReport] UE4Editor_CoreUObject!FDuplicateDataWriter::Serialize() [duplicateddatawriter.h:51]
UE - Graphics Features - Mar 27, 2018Comments from users:Yeah lost all of my work. Tried to save again as a new name and crashedTried to save map as a new name. Lost a bunch of work.I saved as another level and it closedTried to save m ...
Volumetric Cloud + Sun ghosting artefacts around a static cube
UE - Graphics Features - Feb 3, 2022Video of the issue here - [Link Removed] 4.27 and 5.0 seem to display slightly different outcomes. In 5.0 the sun only appears very close to the cube, whereas in 4.27 is can appear a bit further ou ...
[CrashReport] Assertion failed: !IsLoading() in CollectGarbageInternal()
Tools - Jun 14, 2017This is a common crash occurring for users in the 4.16 release. It is spread out across many different CrashGroups with slight variations in callstack. Users have not provided any descriptions whe ...