Object Mixer shows actors the World Outliner hides (5.8 is incompatible with 5.7-and-earlier behavior)

UE - CAPT - Tools - Aug 25, 2026

For 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, 2016

When 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, 2017

When 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 ...

Light Shafts Flicker in 4.19 compared to 4.18

UE - Graphics Features - May 22, 2018

Per 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, 2017

This 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, 2024

For 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, 2015

Interface 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 ...

UX Regression on Open Asset Panel

Tools - Aug 31, 2015

In 4.8.3, open asset would allow you to type the beginning on an actor name, then press the down key and select it. In 4.9 p4, it takes an extra down key press to get to the list; Upon first down a ...

Asset manager duplicates asset types on project reopen after custom element is made

Tools - Oct 24, 2017

There is an issue where, in the Asset manager duplicates asset types on project reopen after custom elements are made for the "Primary Asset Types to Scan" array. THis issue does not appear to be a ...

Crash when exiting PIE after execute demorec command

UE - Networking - Jun 8, 2018

This issue is regression because it doesn't reproduce 4.18.3. Default level is just the level to move. Demorec level runs demorec command with beginplay and has one replicated variable. UEditorEn ...