The Perspective grid Z Fights with meshes placed in world (regression)

UE - Graphics Features - Jan 12, 2017

The editor grid will zfight with meshes that intersect the grid in the 3d viewport. Creates and unpleasant experience while working with the grid turned on. Repro: 1. Launch Editor 2. create new ...

Text3d renders backwards.

UE - Rendering Architecture - RHI - Aug 10, 2020

When adding a Text3D actor (after placed as Child Component), into viewport the actor renders backward and not as expected. I was able to reproduce this issue in 4.25.3, but did not have this issue ...

Editor Utility Widget - 'Fill Data Table from JSON string' node parsing error

Tools - Nov 24, 2020

Issue also occurs in 4.25 therefore not a regression. Original issue was submitted by a user 'Fill Data Table from csv string' node does work though The following is a snippet of the error output ...

A WaterBody blueprint class with an added component will not compile if Blueprint Nativization is enabled

UE - Graphics Tools - Terrain - Water - Nov 23, 2021

This is Not a regression. Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced When adding a component to a Water Body actor it should ...

Landscape Layer Masks can't be imported

UE - Graphics Tools - Terrain - Landscape - Jan 3, 2023

Repro Rate: 3/3 This is a live issue that has been tested to occur in //UE5/Release-5.1 at CL 23058290. This is also confirmed to not be a regression since this issue also occurs in //UE5/Release- ...

Disabling Cast Static Shadows on Stationary Lights causes dynamic shadows to not render

UE - Graphics Features - Shadows - Jan 3, 2023

Regression: Tested in UE5/Release-5.1, this issue occurs as well. The shadows render properly for the sphere when Virtual Shadow Maps is set as the Shadow Method, as well as when Ray Traced Shadows ...

CaseIssues with Korean input in Window 11

UE - Editor - UI Systems - Jun 14, 2023

When entering Korean in the EditableBox on Windows 11, the two Korean characters after pressing the Space key are not entered. I confirmed that it occurs in UE5.1 and UE5.2, and it does not occur i ...

Curve Table Editor's "Add Key" functionality does not work and appears to not be implemented..

UE - Editor - Workflow Systems - Aug 5, 2024

Creating a new Curve Table asset, and then trying to use the right-click menu "Add Key" option does not do anything. FRealCurveModel still has the function, but it is left intentionally empty despit ...

Structured log automated decimal number tests fail in languages / cultures that use commas instead of periods

UE - Foundation - Jul 17, 2025

The following Localisation Tests in "Engine\Source\Runtime\Core\Tests\Logging\StructuredLogFormatTest.cpp:275" TestLoc(LOCTEXT("Float", " {Float} "), ANSITEXTVIEW(R"(128.25)")); TestLoc(LOCTEXT ...

Tooltips not appearing in Editor when hovering over assets due to Slate Cursor Move settings

UE - Editor - UI Systems - Slate - Feb 3, 2026

User noticed that when Slate.EnableSyntheticCursorMoves is set to false the editor UI tooltips no longer display. As noted by the user, modifying Slate.CursorSignificantMoveDetectionThreshold to at ...