Wheeled vehicle movement is jittery on clients

UE - Simulation - Physics - Jan 29, 2019

Vehicle movement is jittery on clients. This is most apparent when turning while driving. This was also tested in a packaged game with local multiplayer setup. Regression?: Yes This does not occur ...

Shaped Trace by channel traces do not return true when the starting and ending point are the same

UE - Simulation - Physics - Feb 18, 2019

When a shaped trace by channel has a starting and ending point that is the same, it no longer returns true when overlapping an object. Regression: Yes This appears to work as expected in 4.21.2 bi ...

Crash in when setting label in ChildActor (infinite loop in PECP)

UE - Gameplay - Feb 22, 2019

In void ATestActor::OnConstruction(const FTransform& Transform) there is an infinite loop occuring in a ping pong call between the SetActorLabel and the DestroyChildActor calls. Happens in vanil ...

Unable to package for Windows 64-bit while Pixel Streaming plugin is enabled

PixelStreaming - Apr 2, 2019

Packaging for Windows 64-bit with the Pixel Streaming bug enabled causes the packaging process to fail. Regression?: Yes This does not occur in 4.22 release (CL#5660361) ...

RF_WasLoaded is set to False in PIE for instances of a Blueprint if the Blueprint is recompiled

UE - Gameplay - Blueprint - Apr 5, 2019

The RF_WasLoaded flag is set to false for Blueprint instances in PIE if the Blueprint is edited and compiled. This is fixed by saving the level which is a simple workaround but this should be needed ...

Cannot change Collision Profile of BP component instances

UE - Simulation - Physics - Oct 24, 2019

BP instances placed in level cannot have their components' collision profiles modified to anything other than default and custom. Note that this did not occur in 4.22 (after applying the separate ...

Point Cloud support for AR plugin crash

UE - Platform - XR - Nov 21, 2019

Enabling Point Cloud support for AR plugin causes engine crash. Also crashes with LIDAR plugin enabled. Confirmed in MAIN 4.25 @ CL 10333042 ...

Crash when building lighting with a Basic shape in the level

UE - Graphics Features - Lumen - Oct 25, 2019

Crash occurs when building the lighting with any Basic shape in the level. This crash occurs with Niagara plugin both enabled and disabled. This issue does not occur in 4.23 Issue only occurs on M ...

Macro can have Pass-By-Reference type input

UE - Gameplay - Blueprint - Mar 30, 2020

Input arguments of macros are always Pass-by-Reference. So this is just only pin looks matter. Pass-By-Reference modifier on Macro input was removed in 4.24. [Link Removed] ...

Crash saving blueprint with a Get Float Attribute node and the attribute pin is set inline

UE - Foundation - Core - May 5, 2020

REGRESSION: Does not occur in 4.24 Crash occurs when saving a blueprint that is using a Get Float Attribute node and the Attribute pin is set inline. Does not occur if the pin is connected. ...