Distance Fields do not work with Directional Lights when using a AMD Radeon card.

UE - Graphics Features - Aug 25, 2015

Distance Field shadows do not appear to be working with those using Radeon series cards. Sample project attached DXDiag of machine that is having the issue is attached. AMD Radeon 200 series. ...

r.ScreenPercentage.Editor does not function

UE - Graphics Features - Jun 2, 2016

Setting r.ScreenPercentage.Editor does not affect the upsampling/downsampling of the viewport in the editor. Regression: YES - the console command correctly adjusted the screen precentage in 4.11.2 ...

Initial Modules are clamped to a 0 to 1 time range

UE - Graphics Features - Sep 18, 2015

The Initial Modules appear to be clamped to a zero to 1 time frame since 4.8 was released. Projects that are converted from 4.7.6 will have correctly working particle systems, but adding a new part ...

Blueprint Function Library does not save Struct default values

UE - Gameplay - Blueprint - Jan 25, 2017

When a Struct is used as a Local Variable in a Blueprint Function Library, the defaults for its member variables are not saved. If, for example, I enter "3" for an Int member, and "Foo" for a String ...

Editor Periodically Has Performance Drops In Basic Scenes

Tools - Dec 27, 2019

The Editor experiences performance drops even in the default basic level when left alone running. I experienced them every ~3 seconds. My graph didn't show the drops very clearly so the fps counter ...

Using Open Source to open a StreamingMediaSource on Android causes a slight freeze on some devices

Media Framework - Mar 11, 2019

Calling Open Source to open a Streaming Media Source causes a freeze to occur on Android when it is called. This does not happen on all devices. When testing this issue, I reproduced this issue on a ...

UV Layout Changes on export from Engine to Maya and Max

UE - Editor - Content Pipeline - Import and Export - Jan 19, 2015

The UV layout of a Mesh is altered slightly when exported from the engine. It becomes more noticeable on objects as their UV Islands shrink in size. Given a default full 0-1 unwrap it looks like t ...

Enum to Byte conversion returns 2 for the first enum then 4 then 6 and so on rather than 0, 1, 2, etc

UE - Gameplay - Blueprint - Sep 1, 2015

Enum to Byte conversion returns 2 for the first enum then 4 then 6 and so on rather than 0, 1, 2, etc. This is a regression; does NOT occur in 4.8.3. Reproduced in 4.9.0 binary and Main (2675088) ...

Color and Opacity animation option does not play for Button component

UE - Editor - UI Systems - Aug 25, 2017

Color and Opacity animation option does not play for Button component, this occurs both in the Widget editor and during play. This issue is not a regression Versions Tested: 4.16.3 - CL: 3561208 - ...

Delay when entering text into EditableText using Microsoft IME after switching between half-width and full-width characters

UE - Editor - UI Systems - UMG - Jul 14, 2023

When adding text after switching from half-width to full-width input using Microsoft IME, there may be a delay of about 3 seconds before the text can be entered correctly. This is supposed to occur ...