'Skip Assigning Gamepad to Player 1' routes MotionController input to non-vr player

UE - Gameplay - Input - Jan 4, 2020

Motion controller inputs get routed to non-vr player when 'Skip Assigning Gamepad to Player 1' is enabled. ...

Incorrect collision on Instanced Static Mesh components that have been non-uniformly scaled and rotated

OLD - Anim - Feb 22, 2017

Incorrect collision on Instanced Static Mesh components that have been non-uniformly scaled and rotated. User Description: I have been experiencing a very annoying bug and I finally decided to tr ...

UnrealBuildTool fails to build generate project files or build if the project is stored on a non-HFS partition

UE - Foundation - Cpp Tools - UnrealBuildTool - Mar 29, 2016

When a user attempts to compile a project that is stored on a non-HFS partition on OSX, UBT fails to build due to files that are being generated that start with ".". The user's proposed fix is to ha ...

Screen goes black for the oculus rift when changing the Screen percentage on an AMD 200 Series graphics card

UE - Platform - XR - Jun 24, 2015

When setting the mirror mode and the screen percentage the screen on the oculus rift will go black if you are using an AMD 200 series card. ...

Power of two non square Virtual Texture causes crash if you resize it or change it in a Material Instance

UE - Graphics Features - Oct 7, 2020

Power of two non square texture make UE4 crash in Material Instance and in engine resize when it's set in VT ...

Details panel is cleared when a component with the mobility setting of "Non-Scene Component" is selected and the compile button is pressed

UE - Gameplay - Blueprint - Apr 30, 2015

If the user has a component that is of the mobility setting of "non-Scene Component" selected and this hits the compile button, the details panel will be cleared. The following are example compone ...

Editor Shortcuts stop working if the editor is launched with a non-Latin-based language

Tools - Nov 4, 2019

Editor shortcuts will not work if you launch the editor with a non-Latin-based language (ex. Russian, Chinese).  The editor must be closed and restarted with English (or possibly any Latin alphabet- ...

WP crash entering PIE when unsaved non-editor actors are referenced through a editor-only property

UE - World Creation - Worldbuilding Tools - World Partition - Nov 15, 2024

From licensee: A simple example is setup in the project, the relevant part is just this code: UCLASS(meta = (BlueprintSpawnableComponent)) class TESTBUGEDITORONLYEDITOR_API UEditorOnlyComponent : ...

Failure to attach component in a non-nativized child Blueprint class to an inherited component from a nativized parent Blueprint class.

UE - Gameplay - Blueprint - May 30, 2018

Attachment will currently fail at runtime during load and/or construction if a component from a non-nativized child Blueprint is attached to an inherited component from a parent class that is nativi ...

LLM: Delete LLM_IF_ENABLED if it is no longer a performance benefit, or convert all allocs and frees to use it if it still is.

UE - Core - Data Pipeline - Cooker - Nov 13, 2023

The macros LLM and LLM_IF_ENABLED behave identically but are slightly different from a performance standpoint. For consistency all allocs and frees should use the same one. Measure the cost of a co ...