Rendering of a Text Widget with Outline does not track LayerId correctly

UE - Editor - UI Systems - May 27, 2025

Text widget with Outline uses 2 LayerId levels to draw the outline and the text glyphs. This can be seen in function FSlateElementBatcher::AddShapedTextElement(), where lambda BuildFontGeometry() is ...

Editing child property values is affecting parent property values

UE - Gameplay - Blueprint Editor - Jan 27, 2020

HZB Setup Mips taking considerable time in GPU Visualizer

UE - Graphics Features - Jul 19, 2016

HZB Setup Mips in the GPU Visualizer seems to be taking considerable ms in 4.12 and 4.13 compared to 4.11.2. This seems to mostly affect editor/PIE GPU Visualization but looks like it should when ...

Simulated ability tasks not being cleaned up in UActorChannel::ReplicationMap

UE - Networking - Nov 20, 2018

I've noticed the issue occurring in both 4.20.3 (CL 4369336) and 4.21.0 (CL 4541578). The user on AnswerHub has also noticed the issue in 4.20.2 (CL unknown) and claims the issue did not occur in 4. ...

Buffer Visualization Overview is affected by EV

UE - Graphics Features - Mar 5, 2020

EV -0.5 [Image Removed] EV 0.0 [Image Removed] ...

Failure packaging for android that supports both armv7 arm64 with GoogleVR plugin enabled

UE - Platform - XR - Aug 30, 2016

Unable to package a build for android (ATC) if the GoogleVR plugin is enabled and both arm64 and armv7 are supported. This does not reproduce if you turn off GoogleVR. This does not reproduce if yo ...

Synthetic benchmark is affected by Scalability Settings

UE - Rendering Architecture - RHI - Feb 19, 2025

Sumo Digital Ltd. has reported that the synthetic benchmark has skewed GPUIndex scores when changing graphics scalability settings (i.e. r.LumenScreenProbeGather.DownsampleFactor). They are currentl ...

Using the Editor in Fullscreen mode on Linux causes it to freeze and occasionally lock up the computer

UE - Platform - Linux - May 29, 2019

Using the Editor in Fullscreen mode on Linux causes it to freeze and occasionally lock up the computer. This freeze causes the various symptoms described in the Results field. In 4.21.2 (CL-4753647) ...

Using GeoMerge on fragments of a GeometryCollection (GC) will create a new single particle while removing the old particles, but although you end up with less particles, the disk file size of the GC uasset increases.

UE - Simulation - Physics - Destruction - Nov 26, 2024

Using GeoMerge on fragments of a GeometryCollection (GC) will create a new single particle while removing the old particles, but although you end up with less particles, the disk file size of the GC ...