Final Gather Quality Post Process setting causes severe rendering issues in the Stack-O-Bot project

UE - Graphics Features - Lumen - Feb 24, 2022

When opening the Stack-O-Bot project in 5.0 Preview 1, the project has a rendering issue where bright shimmering lights appear all around the screen. I discovered that this is due to the PostProcess ...

Certain particle effects in ContentExamples pause when looked at on Mac with Metal

UE - Platform - Apple - Aug 20, 2016

Certain particle effects in ContentExamples stop playing when looked at from a specific angle. The affected demos are 2.1, 2.4, 2.5, and 2.7 Seen on an Nvidia MacbookPro and AMD MacPro Does not o ...

Delay nodes used in a macro cause subsequent macro calls during the delay to never complete

UE - Gameplay - Blueprint - Sep 6, 2016

Calling a macro that has a delay node again before the original call's delay could finish will cause the second call to be ignored when reaching the delay node. This did not occur in 4.12.5 and is n ...

Significant frame drop while blueprint nodes are being rendered on other monitor.

UE - Editor - UI Systems - Slate - Oct 21, 2016

The nodes in the blueprint editor require a lot of resources to render, causing framerate issues whenever they're being shown. The more that are shown, the worse the framerate issues. While a framer ...

On project upgrade, SubImageIndex breaks until you re-assign SubUV Animation

UE - Graphics Features - Jun 20, 2016

On project upgrade, SubImageIndex breaks until you re-assign SubUV Animation Attached project is a 4.11 project, you'll need to Open a Copy in 4.12 or 4.13 ...

Particle Ribbon's do not work in packaged game

UE - Graphics Features - Apr 5, 2016

When a particle system has a ribbon trail it will not render when viewed in a packaged game. Attached sample asset from Content Examples with Ribbon Trail. This issue did not occur in 4.10.4, bu ...

Editor crashes when right clicking a box collision after adding a converted static mesh in blueprint editor

UE - Gameplay - Blueprint - Sep 1, 2016

I created a cylinder with a subtractive cylinder inside of it. I also used a box BSP with a subtractive box inside of it and got the crash to repro. I tried with a sphere BSP twice and didn't get ...

Slate Remote Enable Remove Server option in Project Settings -> Plugins causes editor to freeze and a memory leak

UE - Foundation - Cpp Tools - Plugin System - Sep 13, 2016

If a user enables Remove Server in Slate Remote plugin in project settings, the editor will become unresponsive and memory usage will continually climb. Regression: Working in 3039270 (4.12.5 rele ...

Float Curve that is set as a local variable in an actor's function is garbage collected when in Standalone, causing a crash

UE - Gameplay - Blueprint - Sep 9, 2016

If a Curve Float local variable is created for a function, it will be garbage collected when garbage collection occurs. This causes the process to crash due to an null pointer error whenever it is r ...

Changes to InputMappingContext made during game play revert to previous state after restarting engine

UE - Gameplay - Input - Nov 21, 2022

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The following Blueprint nodes are affected by the same issue:Map KeyUnmap KeyAdd Playe ...