In the Anim Sequence Editor set a Notify's MontageTickType to be fixed to BranchingPoint if that Notify is a Native Branching Point

UE - Anim - Gameplay - Jun 30, 2023

To avoid confusing users when working with a Native Branching Point Notify set its MontageTickType to be fixed to BranchingPoint.  ...

Screen jitters while blending constrained aspect ratio of camera

UE - Anim - Sequencer - Apr 23, 2024

The screen jitters when animating the size of the filmback of a aspect ratio constrained Cine Camera. Following behavior was observed by the customer: MRQ: The expected behavior - bars smoothly in ...

Incorrect error icon on stationary lights in a sublevel when the sublevel is first added

UE - Graphics Features - Jun 26, 2024

When you add a level with stationary lights to another level as a sublevel they will show a first error icon on the lights. Once you close the project or refresh the level this icon is shown as nor ...

In UE 5.4, some config variables are not getting saved correctly, due to the new User/Editor rules.

UE - Simulation - Physics - Jul 24, 2024

A lot of properties are not getting saved correctly to custom configuration files. This looks like that it can be cause by the FConfigContext::PerformLoad function. New conditionals have been added ...

The tooltip of a UPROPERTY enum is not refreshing in UDetailsView

UE - Editor - UI Systems - Oct 15, 2024

There is an issue with UPROPERTY enums where the tooltip does not update as expected. When the DetailViewWidget is refreshed, the tooltips appear correctly. For example, ToggleShowingOnlyAllowedPro ...

Duplicate the mesh will not duplicate the foliage on it.

UE - World Creation - Worldbuilding Tools - Foliage - Mar 22, 2019

Material does not render correctly when launched with Cook on the fly

UE - Rendering Architecture - Shaders - Nov 8, 2021

This issue seems to occur when using Cook on the fly on a Material that is branched on the Static switch. This issue also seems to occur on the console. Regression = Yes, issue is not reproduced // ...

Last frame pose is not evaluated when playing Anim Montage with Blend Out Time of 0 in AnimNodeSlot

UE - Anim - Gameplay - Apr 26, 2022

When playing AnimMontage with BlendOutTime set to 0.f with AnimNode_Slot of AnimBP, it seems that the last frame pose may not be evaluated. this issue does not occur in high frame rate and does not ...

Assert triggering when trying to copy-paste an empty CurveAtlasRowParameter node in the material editor

UE - Rendering Architecture - Materials - Mar 25, 2024

A check happens when copy/pasting a Curve Atlas Row Parameter Expression that has no value. This behavior also exists on CL 32426910 of Release-5.4. ...

Crash when searching for a string with the same name as the collection

UE - Editor - Content Pipeline - Content Browser - Feb 28, 2025

The editor crashes when creating a local collection of the same name by typing certain characters in the search box of the content browser. This does not reproduce in UE5.4 and is a regression in UE ...