SAnalogSlider moves slowly when step size is large

UE - Editor - UI Systems - Slate - Mar 6, 2024

SAnalogSlider calculates FastestStepTime by multiplying the step size value by a constant, resulting in high numbers for larger step sizes. This gets lerped from 1 and used as the repeat time, resul ...

Lumen screen traces from hair cast noising moving shadows on faces

UE - Graphics Features - Lumen - May 17, 2024

There is moving blotchy noise on the head and face from hair when Lumen HZB tracing hits hair.  CL 33258050 fixes the noise in the hair, but tracing still hits hair when it starts from surfaces like ...

Objects with Translucent Blend Mode Material Aren't Affected by Refraction

UE - Graphics Features - Feb 16, 2018

There is an issue occurring where Objects with Translucent Blend Mode Material Aren't Affected by Refraction. This affects any translucent material regardless of the translucent materials settings. ...

Many native-only interfaces incorrectly appear as implementable by blueprints

UE - Gameplay - Blueprint - Sep 14, 2020

Right now, any UINTERFACE that is not marked as CannotImplementInterfaceInBlueprint is shown as implementable in blueprint. If these functions have BlueprintCallable functions or related things then ...

Get and Set nodes for variables from a BP's parent class will not compile without a reference to Self (4.8)

UE - Gameplay - Blueprint - Jan 20, 2015

Get and Set nodes for variables from a BP's parent class will not compile without a reference to Self. Without one, the BP fails to compile with the following error: "Error Variable node Get NewVa ...

Get and Set nodes for variables from a BP's parent class will not compile without a reference to Self

UE - Gameplay - Blueprint - Jan 9, 2015

Get and Set nodes for variables from a BP's parent class will not compile without a reference to Self. Without one, the BP fails to compile with the following error: "Error Variable node Get NewVa ...

AnimNotify triggering all play sounds at once in Matinee Animation Track

OLD - Anim - Jul 21, 2015

Placing a series of Play Sound Anim Notifies in an Animation and looping or playing that animation via Matinee multiple times causes the sounds to play all at once at the initial trigger of the anim ...

Slate-based Program targets assert on start up

UE - Editor - UI Systems - Slate - May 20, 2020

13431468 (which originated from FN) has caused Program-type targets to assert when starting. This has been observed with both UnrealInsights and UnrealFrontend. check(PrimaryDockArea.IsValid()) ...

Creating a new Matinee Controller node only shows the Finished pin

UE - Gameplay - Blueprint - Dec 9, 2014

Worked: P4 Main 4.7 CL:2375748 P4 Releases 4.6 CL:2369413 (Gold) Broken: Portal Binary 4.5.0 CL:2326478 After creating a matinee with event(s) in it, creating a Matinee Controller only shows the " ...

Translation Error during STEP import

UE - Editor - Content Pipeline - Datasmith - Importer - Mar 6, 2019

Using plugin version 4.21E3. The attached STEP file was generated using Fusion 360 v2.0.5357. It is a very basic house model. On import, the assembly named 'mod_Upper Hall2_v5_1' has several compone ...