CommonUI uses cached geometry that might be zero sized for gamepad focus

UE - Editor - UI Systems - Jan 11, 2023

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Workaround for issue is to have a text box in the vertical box before any buttons; fir ...

BP multi-level inheritance does not correctly inherit 'Static' mobility

UE - Framework - Blueprint - Sep 8, 2022

User reported an issue of a mesh not being visible when a project has multi-level blueprint inheritance. After reproing, I believe the root cause is DefaultSceneRoot of the grandchild BP class not c ...

Cloth painting - Camera movements are broken once leaving the painting tool.

UE - Simulation - Physics - Character - Aug 29, 2023

Possibly a regression, but I could reproduce this issue as far as 5.2, so unsure when it started. The issue seems to be that the cloth painting tool lock the camera movements during painting, but d ...

geometry script AppendSimpleSweptPolygon can crash if called with empty path

UE - Graphics Tools - Modeling Tools - Apr 26, 2022

geometry script "Append Simple Swept Polygon" crashes if called w/ an empty path (but non-empty cross section polygon) ...

The number of elements in an array remain the same as the default when duplicating an actor

UE - Gameplay - Blueprint - Feb 22, 2017

If a user removes elements from an array in an instance of that blueprint in the level and then duplicates the actor (in the level ) containing the array, then the resulting actor will have the orig ...

Hitching when scrubbing values inside of color picker in binary builds

Tools - Jul 5, 2016

Large hitching is occurring when click dragging inside the color wheel of the color picker or scrubbing RGB, HSV, and Value/Saturation sliders. I am only able to repro this issue in Binary builds. ...

Huge game window when launching onto Safari 9.1.2

UE - Platform - Mobile - Aug 31, 2016

The game window in the Safari browser expands to a huge size along the Y axis. We do not see this issue on Safari version 10. The game window expands for about 5 minutes before the game is playab ...

Scrolling the mouse wheel slowly on Mac does not have any effect in the editor

UE - Platform - Apple - Jan 19, 2017

REGRESSION No, occurs in 4.14.3 On Mac, scrolling slowly (one or two notches) does not have any affect in editor, whereas on the Windows, this has full effect. This was seen in editor (with scroll ...

Editor windows that contain viewports cause large framerate loss

UE - Graphics Features - Feb 7, 2017

When editor windows are opened that contain a viewport of some sort, the framerate of the engine drops drastically. Examples include the Blueprint Editor, Material Editor, and Persona. The viewport ...

Certain materials are overly bright with Ray Traced Global Illumination denoiser

UE - Graphics Features - Lumen - Mar 14, 2019

Ray Traced Global Illumination is causing some materials to glow extremely bright Disabling r.raytracing.globalillumination.denoiser fixes the issue In 4.22 preview 5 binary (5365847) the result i ...