Nodes unavailable branching off Get Player Controller Unless Context Sensitive is unchecked

UE - Gameplay - Blueprint - Oct 23, 2014

In a project in UE4.5, when opening an animation blueprint, in the Event Graph when the player branches off the "Get Player Controller" node to search for "Get Mouse Position" it will not be shown i ...

D3D Device Lost 'HUNG' crash in FD3D11Viewport::PresentChecked

UE - Graphics Features - Oct 31, 2016

This is a new D3D crash affecting multiple users in 4.14 Preview 1. It is currently the #1 crash in the Preview. Information provided by users:Just pressed create project...Openning QA Game with - ...

Keyboard Shortcuts don't work on the Outliner Window if it is detached from the Main Window

UE - Editor - Workflow Systems - May 27, 2025

Keyboard Shortcuts don't work on the Outliner Window if it is detached from the Main Window. As described in Steps To Reproduce, as soon as the Outliner Window is detached from the Main Window, most ...

All Classes Tab of Modes Panel Not Updating Automatically

Tools - Jun 2, 2016

Blueprints are not appearing in the All Classes tab of the modes panel after being loaded until the tab is switched. Found in 4.12 binary. Reproduced in 4.11.2 binary and Main CL 2994701. ...

Case Child Actor Component validation error when set as editor-only

UE - Framework - Components - Jun 4, 2024

When a blueprint actor with a child actor component is placed in a level, and the child actor component is set as editor-only, the output log will show a validation error when the actor is moved and ...

Particle disappears if it is using PSA_Velocity and setting custom time dilation 0

UE - Graphics Features - Dec 7, 2016

A licensee reported some of their particles disappear when setting the actor's custom time dilation 0. This seems to happen when a particle is using PSA_Velocity as Screen Alignment. This repros in ...

[Quartz][Device Swap] - Quartz Clock Stops when swapping Audio Output Device

UE - Audio - Quartz - May 2, 2022

When swapping the audio output device while running PIE or a packaged game on Windows, Quartz clocks stop. Does not repro in Release-4.27, but can be reproed in Release-5.0. ...

Reimporting a static mesh will cause some values to be reset back to defaults

Tools - Jul 5, 2017

Reimporting a static mesh will cause some Static Mesh Editor values to be reset back to defaults. This was reported as JIRA UE-22205 back in 4.10 and was marked fix in 4.12. However, I wasn't able ...

Movable point light disappeared by MinScreenRadiusForLights and appeared back looks deemed.

UE - Platform - Mobile - Jun 25, 2021

The movable point light is abnormally lit when it disappeared by the setting of r.MinScreenRadiusForLights rather than "Max draw distance" and appears back. After you disable and enable the "Affect ...

Ensure triggered with multiple AddInstance() calls for InstancedStaticMeshComponent

UE - Graphics Features - May 20, 2016

Adding multiple instances to instance static mesh component in a code class causes an ensure to trigger when an instance of the class is added to the level. ...