Conflict between sequencer transform track and Parent Constraint from the Animation Mode breaks temporary pivot translation on any actor

UE - Anim - Anim in Engine - Jul 15, 2025

Note: This affects all versions from at least UE 5.3, including mainline latest. The "Animation" Editor Mode allows creating constraints for level actors. One of these, the "Parent" constraint, con ...

Property Editors fail to import text values for FKeys within array/set/map containers when the key is identified by some valid non-alphanumeric characters

UE - Gameplay - Input - Oct 28, 2024

The FKey structure represents a user action input such as a keyboard key, a mouse button/wheel, or a gesture in VR. For the keyboard, it can represent any pressable key, such as letters, numbers, sy ...

Asset localization does not work properly for Paper2D related assets such as Flipbook

UE - Foundation - Mar 18, 2022

This issue is resolved by changing Paper2D's LoadingPhase to PostConfigInit, but this is a workaround. We suggest a better long term fix via AssetRegistry changes (see comments). In the default la ...

Instanced Static Mesh does not apply World Aligned Material correctly

UE - Graphics Features - Aug 22, 2016

If you apply a material that uses World Aligned Blend to an instanced static mesh, it will display differently than an non-instanced static mesh with identical settings. They only look identical if ...

Absolute World Position post process no longer works in mobile preview

UE - Platform - Mobile - Sep 2, 2020

User reports this work correctly in 4.24, but now no longer works as expected in 4.25.I don't have a clear CL just yet, marking unconfirmed. If you change the settings to use ES3.1 Preview and just ...

mobile DOF setting is not applied when play on standalone mode

UE - Platform - Mobile - Feb 20, 2023

In 5.0, the mobile depth of field settings were correctly reflected when running standalone. However, in 5.1, the DOF doesn't appear to be working correctly and the focus is off, causing a blurry im ...

LIVE: RENDERING: Precomputed Visibility volume is not registering Statically Occluded Primitives nor allowing visibility cells to be rendered

UE - Graphics Features - Jul 3, 2014

Build: 4.2.1-2101290 Description: Currently, precomputed visibility volumes do not seem to alter occluded primitives, nor do they show visibility cells when r.ShowPrecomputedVisibilityCells 1 is en ...

[CrashReport] Ensure - UE4Editor_Renderer!FPlanarReflectionParameters::SetParameters() [planarreflectionrendering.cpp:704]

UE - Graphics Features - Apr 4, 2018

No user comments in crash group. Similar callstack in [Link Removed] but that is a crash and this is an ensure. 701 if (ReflectionSceneProxy && ReflectionSceneProxy->RenderTarget) 702 ...

The VertexInterpolator connected to a Normalize node, input into BaseColor results in black Mesh LOD Coloration

UE - Rendering Architecture - Materials - Nov 16, 2021

It does not appear to matter to the repro steps what is input to the VertexInterpolator, it matters more that there is a Normalize between the VertexInterpolator and the base color input of the mate ...

The CTRL+S shortcut does not save an opened Sequence it the Sequencer Window is undocked

UE - Anim - Sequencer - Jul 29, 2025

The CTRL+S shortcut does not save an opened Sequence it the Sequencer Window is undocked. Docking the Sequencer Window to the main window fixes the issue. I've reproduced the behavior on UE versions ...