Unreal Engine Issues
Unreal Engine Issues
Editor Crashes When a Component and Actor Implement Two Interfaces
UE - Gameplay - Blueprint - Oct 16, 2015The editor crashes if you implement two blueprint interfaces in an actor blueprint, and then an actor component blueprint. These interfaces must have at least one function that returns a value. The ...
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 ...
Console Command `Stat SceneRendering` is showing incorrect number of Lights in scene
UE - Graphics Features - Jan 8, 2016When using the Console Command for Stat SceneRendering the Counter section for "Lights in scene" is not accurately listing the number of lights. In a 4.10 project an empty new level is showing 16 ...
Capsule Indirect Lighting with ILCQ Volume breaks on Skeletal Meshes when making Sublevel visible not in the current Camera Frustum
UE - Graphics Features - Apr 12, 2017When using Capsule Indirect Shadows for Skeletal meshes who have their ILCQ set to Volume, and loading a SubLevel with it's actors not within the current camera's view, the indirect lighting is blac ...
SceneCapture2D Component Show Flags that are Modified in a Blueprint initially are Copied not Referenced
UE - Graphics Features - May 17, 2019If you disable show flags in a SceneCapture2D component of a Blueprint, trying to re-enable them in the Blueprint will not update instances in a level. Anything that was left alone will change along ...
Light Shafts Flicker in 4.19 compared to 4.18
UE - Graphics Features - May 22, 2018Per Licensee: We have noticed that the volumetric light shafts have become much more "flickery" and unstable compared to 4.18.3. This is visible in just the empty project with an unmodified engine. ...
[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 ...
Android Crash on app launch if AdditionalPluginDirectories contains wildcards in path
UE - Platform - Mobile - Jun 23, 2017Having wildcards in the path for AdditionalPluginDirectories causes apps on Android to crash on launch. When testing this on iOS, the app did not crash but froze at the splash screen instead. Androi ...
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 ...
Interface functions inherited after a duplicated actor blueprint is reparented to the blueprint it was duplicated from cannot be deleted.
UE - Gameplay - Blueprint - Oct 16, 2015Interface functions inherited after a duplicated actor blueprint is re-parented to the blueprint it was duplicated from cannot be deleted. Note that the inherited function can be deleted in a new ac ...