Modulated Self Shadowing can not be disabled for Static Meshes

UE - Platform - Mobile - Feb 6, 2017

Modulated Self Shadow is only ever disabled and enabled for Skeletal Meshes and does not have any effect on Static Meshes. You can use the command r.Shadow.EnableModulatedSelfShadow 1 to enable self ...

Vehicle Template Gears incorrectly affect gear shift speed

UE - Gameplay - Feb 8, 2016

Changing the Up Ratio of a vehicle movement component incorrectly alters gear shifting. For example, setting the ratio for Gear 3 to 1.0 will keep the vehicle from shifting to gear 2, etc. ...

Interpolators of Particle Dynamic Parameters Need "nointerpolation".

UE - Niagara - Aug 1, 2019

Regardless Niagara or Cascade, dynamic parameters for particles are passed to pixel shaders from vertex shaders via InterpolantsVSToPS. It can cause a precision error on some materials, for example ...

Skeletal mesh bones cannot be selected in the viewport of the IK Retargeter

UE - Anim - Rigging - Retargeting - May 2, 2023

Skeletal mesh bones cannot be selected in the viewport of the IK Retargeter. They can still be selected via the bone name hierarchy. Reproduces in the following://UE5/Release-5.1 CL 2390901//UE5/Re ...

KiteDemo: Bookmark spawn function broken if in Run mode

Docs - Samples - May 4, 2017

While testing in KiteDemo - //UE4/Release-4.16 CL 3420042 in Binary – I found that pressing the bookmark attraction Scene keys (1 - 0) does not work as intended if user is in Run mode. ...

Can't fire custom event of event track when enabled auto scroll.

UE - Anim - Sequencer - Jan 28, 2020

If Auto Scroll is enabled, event track can't  trigger, so events may not fire. The frame numbers appear to be duplicated. Especially noticeable when the [View Range End Time] is small value (Working ...

[AI] Navmesh shows in editor but does not get loaded in PIE

UE - AI - Navigation - May 13, 2024

When using static or dynamic modifiers only navmesh, there are times that the navmesh will build and display correctly in editor, but it does not get properly loaded at runtime (PIE/SIE). The Recast ...

Request for 'Switch on Int' nodes to throw a warning or auto refresh if an execute pin is removed

UE - Gameplay - Blueprint - Nov 17, 2016

Request for 'Switch on Int' nodes to throw a warning or auto refresh if an execute pin is removed. For example: If the 0 pin is deleted, users may not realize the pins will reset back to (0,1,2,3,e ...

VSCode finds intellisense errors in Project source files: cannot open source file "UBT_COMPILED_PLATFORM/UBT_COMPILED_PLATFORMPlatformCompilerPreSetup.h"

UE - Foundation - Cpp Tools - Jan 28, 2020

VSCode finds intellisense errors in Project source files: cannot open source file "UBT_COMPILED_PLATFORM/UBT_COMPILED_PLATFORMPlatformCompilerPreSetup.h" Similar to [Link Removed], but that was onl ...

SWorldPartitionEditorGrid2D causing editor to crash

UE - World Creation - Worldbuilding Tools - World Partition - Mar 13, 2023