UUserWidget::SetPositionInViewport does not function as intended

UE - Editor - UI Systems - Oct 15, 2018

The Set Position in Viewport node does affect UserWidgets position. It keeps it 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21  (CL - 4465720), 4.22 (CL - 44654877) ...

Numpad + Shift does not release keystrokes

UE - Gameplay - Input - Nov 9, 2021

The combination of Numpad + Shift seems to have various problems. https://answers.unrealengine.com/questions/899468/what-is-the-issue-with-shift-num-key-combinations.html  Regression No, according ...

UE 5.4 - Specular/reflection disappears above 4096 resolution render

UE - Rendering Architecture - Aug 1, 2024

After a viewport is more than 4096 pixels wide, Lumen's specular reflections buffer cuts its width off at 4096 pixels. It appears that the affected buffer is "Lumen.Reflections.ResolvedSpecularIndi ...

Inconsistent events triggered by FlushProcessedKeys during keyboard hold input

UE - Gameplay - Input - Dec 20, 2024

Key repeats from the OS do not affect the EnhancedInput normally, but it causes inconsistent event triggers when FlushProcessedKeys is called with holding a keyboard key down. Removing references t ...

Merging Splines causes Engine to Crash in 5.1

UE - World Creation - Worldbuilding Tools - Merge Actor - Dec 15, 2022

Attempting to merge two spline actors causes the Engine to crash. This issue occurs with the Steps to Reproduce regardless if there are more branches added to the tree branch spline/enabled, and reg ...

Crash importing SOLIDWORKS model

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 1, 2018

Crash to desktop after creating Level Sequence with Widget Blueprint

Tools - Nov 30, 2019

Newly created Level Sequence assets cant be opened when they have been created via Editor Blueprint Widget. They are created successfully through a button click for instance, but when you try to ope ...

UE5 Main - Editor crashes when creating a Data Table

UE - Editor - Workflow Systems - Feb 14, 2022

Doesn't occur in UE5 Release or UE4.Can't attach logs/crash information I'm encountering an RHI crash within UE5 Main at the moment. This issue seems to be caused by a commit from last year that ...

Ensure opening TM-ShaderModels in DirectX10

UE - Graphics Features - Jul 11, 2017

Ensure occurs opening TM-ShaderModels in DirectX10. This does not occur in 4.16.2 ...

Crash upon diffing Blueprint that was reparented when its previous parent has already been deleted

UE - Gameplay - Blueprint Editor - Sep 20, 2017

When attempting to diff a Blueprint that has been reparented when the previous parent no longer exists in the editor, a crash occurs. The crash is due to the editor attempting to reference the delet ...