Geometry Collection behavior does not change when changed by BP

UE - Simulation - Physics - Destruction - May 2, 2022

Reproduced 6/6 times. This seems to affect all "Set" functions for Geometry Collection Components, such as Setting Object Type from Static to Dynamic, or changing Collision Type. ...

Flickering shadows/GI when DrawMaterialToRenderTarget is called per tick in PIE

UE - Rendering Architecture - Jul 11, 2024

When DrawMaterialToRenderTarget function is called on tick and actors are spawned in game, the lumen shadow/GI visually flickers. Debugging shows that the lumen screen probes are flickering as well. ...

Stationary Skylight intensity blown out

UE - Graphics Features - Nov 29, 2016

Using a Stationary Skylight appears to be blown out with the SLS Captured Scene. Movable and Static do not exhibit this behavior. Comparison gif attached and sample project attached. Tested with: ...

RHIGetAvailableResolutions returns duplicate entries when bIgnoreRefreshRate is false

UE - Rendering Architecture - RHI - Sep 17, 2015

When the RHIGetAvailableResolutions function fills the array that is passed in as the first argument, it will end up filling some slots with duplicate resolutions (including refresh rate) when the b ...

LIVE: Multiplying an FQuat*FQuat via pass-by-value crashes editor on open

UE - Foundation - Core - Nov 5, 2014

If a function takes in an FQuat value and then multiplies it by an FQuat, the project will build properly but then crash when trying to launch the project in the editor. Example project available b ...

Comment boxes no longer allow pinning/unpinning of comment bubbles

UE - Gameplay - Blueprint - Jun 24, 2015

Comment bubbles above comment boxes no longer have an option to pin/unpin comment bubbles. This functionality allowed users to choose whether or not to show the comment bubble, which was useful for ...

UTF-16 characters return incorrectly from StringToBytes/BytesToString conversion

UE - Foundation - Core - Jul 28, 2016

When a UTF-16 character (™ for example) is passed into a StringToBytes() function and then returned via BytesToString, the returned character does not match (in the case of ™, a double quotes is ret ...

Paper2D Code Template character uses code class in the level

Docs - Samples - Jul 27, 2016

In every other code template, the standard setup is to have the code classes be in the template and have all the functionality in them code-wise, but then have a blueprint child setup the assets it ...

Tick fires in PlayerController BP in Editor

UE - Gameplay - Blueprint - Oct 6, 2016

If a blueprint has any functionality on tick, the tick event will fire when a blueprint is restored within the editor after closing and reopening a project. Regression (no) issue (does) occur in 4 ...

DrawMaterialSimple() disrupts widgets being drawn to the screen depending on widget hierarchy

Tools - Aug 28, 2015

Calling the HUD::DrawMaterialSimple() function may cause blueprint widget elements to not be drawn on screen depending on the hierarchy of the widget. Google Drive link to Project: [Link Removed] ...