Stationary actor tooltip states stationary actor can be moved, moving actor results in warning spam

Tools - Aug 10, 2016

Either the tooltip for Stationary actors or the actors movement option is incorrect. The tooltip reads: "A stationary object can be changed in game, but enables cached lighting methods when not m ...

Crash when null texture parameter is present on a MIC

UE - Rendering Architecture - Materials - Apr 22, 2022

From UDN: [Link Removed] Proposed fix: int32 FHLSLMaterialTranslator::TextureParameter(FName ParameterName, UTexture* InDefaultValue, int32& TextureReferenceIndex, EMaterialSamplerType SamplerType ...

Regular UMG Widgets can be reparented to editor widgets but do not work.

Tools - May 11, 2020

This may just need to be closed, we may not be able to control this at such a level.  This really comes up more than you would guess.  I think almost everyone has made a widget, wanted to call Edito ...

Minor graphical glitch can be seen momentarily when undoing and redoing Set Variable

UE - Gameplay - Blueprint Editor - Jun 15, 2016

A minor graphical glitch can be seen between the Event Begin Play and the Print string function when undoing and redoing the creation of a Set String Note This also occurs when doing an undo and r ...

Scaling blueprint component via gizmo breaks if axis scale reaches 0.0

UE - Gameplay - Blueprint - Oct 4, 2016

Using the transform gizmo to scale a blueprint component will break the functionality if scaled to 0.0 and released. Workaround: If the scale value is directly set to non-zero value, gizmo can be u ...

Missing assignment/recursion in UHLODProxy::FindFirstActor can potentially lead to an infinite loop

UE - World Creation - Worldbuilding Tools - HLOD - Aug 13, 2018

User reports on the forums of being stuck in an infinite loop and noticed a dead branch in the titled function:The body of if (SubLODActor) doesn't actually do anything, guaranteeing an infinite loo ...

Dialog Windows Still Displayed when Editor is Minimized on Macs

UE - Platform - Apple - Jun 25, 2015

There are some dialog windows that will render on top of other external applications when the editor is minimized and does not have focus.....i.e. 'Building Lighting' and 'Auto-Save' dialog windows. ...

Text variable does not lose reference to a "Format Text" node after the node is deleted

UE - Gameplay - Blueprint - Jan 29, 2015

After deleting a format text node, if a text variable was plugged into it the variable's pin will stay highlighted as though it were still connected. If this is then hooked up to the return pin of a ...

YCoCg to sRGB?

UE - Niagara - Rendering - Mar 20, 2024

Both the material and the Niagara compute shader use the same function to interpret the YCoCg color data, but the Niagara compute shader returns an incorrect color. Also found on CL: 32347737 in Re ...

Folders beginning with two periods are incorrectly collapsed by FPaths::CollapseRelativeDirectories

UE - Foundation - Core - Jul 3, 2019

The Function FPaths::CollapseRelativeDirectories assumes that any instance of the characters "/.." are a relative path to the parent directory, and removes them along with the preceding directory. H ...