Unreal Engine Issues
Unreal Engine Issues
Object Mixer shows actors the World Outliner hides (5.8 is incompatible with 5.7-and-earlier behavior)
UE - CAPT - Tools - Aug 25, 2026For the same project and the same filter, Object Mixer returns a different set of actors on 5.8 than it does on 5.7. Actors that the World Outliner hides now appear in the Object Mixer list. Editor ...
Color bubble has no effect in an Event Graph
UE - Gameplay - Blueprint - Feb 24, 2015If you add a comment to an Event graph Blueprint and change the comment color, the bubble should not change colors unless the Color Bubble detail is checked. I have included photos to better show ...
Nanite displacement issue when using along non-uniform scaling
UE - Rendering - Features - Nanite - Feb 26, 2026Nanite Tessellation displacement direction is incorrect for landscapes with non-uniform scales. It seems to use the normal from the unscaled landscape, which can result in the displacement causing t ...
Cast modulated shadows causes black screen on iOS with non-default FOV
UE - Platform - Mobile - Oct 14, 2015Using a FOV other than 90 with Cast Modulated Shadows seems to cause a black screen and weird FOV issues on an iOS device, in 4.9.2. If the camera has FOV=90, it works fine on the iOS device. If th ...
[CrashReport] UE4Editor_D3D11RHI!VerifyD3D11CreateTextureResult() [d3d11util.cpp:276]
UE - Graphics Features - Mar 30, 2017This crash seems to be related to or a continuation of [Link Removed], where that specific CrashGroup stopped receiving new crashes after the 4.10 release. This one has occurred from 4.13 - 4.15 (s ...
Reset Instance Changes to Blueprint Defaults does not reregister components
UE - Framework - Blueprint Editor - Jan 17, 2024For map placed blueprint actors with components with property modifications, when triggering Reset Instance Changes to Blueprint Default from the actor instance's Details panel, any components with ...
Crash when changing r.MaterialQualityLevel when FastGeo plugin enabled in cooked build
UE - World Creation - Worldbuilding Tools - Sep 5, 2025The engine crashes when the r.MaterialQualityLevel is changed in a cooked game that uses the FastGeo Streaming Plugin. The crash doesn't repro with the same steps in Editor, just in a cooked build. ...
[CrashReport] UE4Editor_Kismet!FBlueprintGraphArgumentLayout::OnArgNameChange()
UE - Gameplay - Blueprint Editor - Jul 19, 2017This is a common crash affecting users in 4.16 and has been occurring since at least 4.14 affecting more than 300 unique users. User Descriptionsi made a macro called IsolateYaw and set the input t ...
Changing Effects Quality with Console Command Resets Audio Playback of Packaged Game
UE - Graphics Features - Feb 26, 2015When packaging a product for Windows (64) with an 'Event Begin Play' node executing a UI sound to play, and changing the Effects Quality within the console, restarts the audio playback for that soun ...
Inconsistent Prioritization of Navigation Modifiers
UE - AI - Dec 12, 2016When working with Nav Modifiers in a level that contains objects that have a custom Nav Area class, the prioritization of the modifiers is not consistent. If you notice in the attached project, so ...