Changing a Mesh's Build Scale doesn't update the Mesh's Bounding

UE - Editor - Sep 8, 2022

This is a regression tested in //UE4/Release-4.27 CL18319896 Changing a Mesh's Build Scale doesn't update the Mesh's Bounding to the same scale. ...

Submix Settings on Submix Send Settings cannot be updated at runtime in SubmixSendVolumeComponent

UE - Audio - Apr 24, 2023

Source: UDN ticket Stepping through, when SetSubmixSendSettings() is called on the SubmixSendVolumeComponent, the SubmixSendSettings on the Component initially get changed before the NotifyDataChan ...

Deprecating a non-const blueprint interface function replaces the implementation of the event with an empty custom event

UE - Gameplay - Blueprint - Oct 19, 2023

This behaviour is only observed when implementing the function as a custom event from a blueprint interface. This behaviour is not observed in actors where the blueprint interface function is implem ...

Niagara using a Volume and Mesh renderer with a shared base material does not renderer correctly

UE - Niagara - Mar 26, 2024

Using a shared base material with both a Volume and Mesh renderer causes the emitter to render as a glowing box at the scale of the bounding box. ...

Sampler Source: From Texture Asset with Streamed Virtual Texture

UE - Rendering Architecture - Mar 28, 2024

It appears that Texture Samplers for Virtual Textures do not respect the Tiling Method from the Virtual Texture Asset when the "Sampler Source" is set to "from texture asset". ...

IME input is ignored when There are some lines in MultiLineEditBox

UE - Editor - UI Systems - Slate - Dec 17, 2024

This problem is reproduced on other widgets using MultiLineEditBox. ex.) description in source control commit log pane, comments in blueprints, etc. ...

StateTree : Crash when executing GetPropertyRef in SubTree linked via Linked Asset

UE - AI - StateTree - Aug 26, 2025

A crash occurs when GetPropertyRef node is executed from a SubTree that is linked within a StateTree, which itself has been linked from a parent StateTree via a Linked Asset ** . The processing con ...

AnimBP warning word order mistake in Japanese

UE - Editor - UI Systems - Localization - Mar 24, 2016

The warning ""variable name" に "BluePrint" という名前の変数はありません" in the output log within the AnimBP while the editor is in the Japanese language mode has an incorrect word order. "Blueprint"Blueprint sho ...

Unable to Exit the 'Device Profiles' Console Variables Dialog Menu Easily

Tools - Jun 1, 2015

When adding a new variable to a new or existing 'Device Profile' it becomes difficult to close the dialog window. You are unable to click out or press the escape button once in order to close the di ...

WidgetBlueprint::DrawLines has broken AA on sharp cornered lines

UE - Editor - UI Systems - May 9, 2016

WidgetBlueprintLibrary::DrawLines which calls FSlateDrawElement::MakeLines has broken AA for sharp cornered lines. ...