Unreal Engine Issues
Unreal Engine Issues
4K Resolution and High DPI Scaling in Linux aren't completely affected by System Display Scaling
UE - Platform - Linux - Aug 26, 2019Unreal doesn't change appearance when changing system configuration display scaling options. Editor Texts are still quite small and don't change based on the Display Scaling %. This bug also causes ...
[CrashReport] UE4Editor_UnrealEd!UEditorEngine::CheckForWorldGCLeaks()
UE - Foundation - Core - UObject - Jun 29, 2017This is a common crash occurring for users in 4.16. It is spread out among around 60 different CrashGroups in CrashReporter, because every case has a slightly different callstack. This appears to ...
[CrashReport] UE4Editor_CoreUObject!UObjectBase::IsValidLowLevelFast() [uobjectbase.cpp:294]
UE - Foundation - Core - Aug 22, 2017This is a common crash in the 4.16 and 4.17 releases. User DescriptionsWriting a custom component in C++. Hotcompiled it through VS2017. Had the BP editor open with a class derived from that compo ...
Shadows in Unreal for OSX not showing correctly
UE - Platform - Apple - Dec 2, 2014I have copied a project from Windows to my Macbook Pro. It's the first time I try Unreal for OSX. In Windows everything worked perfectly, but in Mac shadows are showing like this: alt text Buildin ...
[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 ...
UMG Size to Content issue
UE - Editor - UI Systems - Jan 20, 2016TextBox(Multi-line) or EditableText(multi-line) in UMG blinks when it meets certain condition in editor. The condition is Both Size to content option for TextBox(Multi-line) or EditableText(multi-l ...
Chaos Modular Vehicles Examples desynchronizes easily
UE - Simulation - Physics - Feb 27, 2025Chaos Modular Vehicles Examples does not replicate properly and it's easy to reach a state of desynchronization where the state stops being replicated and position/rotation of cars mismatch. As an ...
Adding a New Blackboard Key While Searching for a Blackboard Key Causes the Editor to Crash
UE - AI - Nov 12, 2015When you use the search bar located under the New Key button in a Blackboard asset, if you attempt to press New Key while you have text in the search field, the editor will crash after you select th ...
[CrashReport] UBlueprintGeneratedClass::AddReferencedObjectsInUbergraphFrame()
UE - Gameplay - Blueprint - Nov 2, 2017This is a common engine crash that has occurred since at least 4.16. Users have not provided any useful descriptions of their actions when the crash occurred. The callstack shares some similaritie ...
[CrashReport] UE4Editor_Engine!FAVIWriterWin::Initialize() [aviwriter.cpp:239]
UE - Anim - Sequencer - May 24, 2016Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 224 225 hr = Graph->AddFilter(CaptureFilter, L"Capture"); 226 if ...