Increment / Decrement nodes do not call BlueprintSetter functions

UE - Gameplay - Blueprint - Oct 31, 2017

When BlueprintGetter / BlueprintSetter specifiers are used for a property, the increment/decrement nodes in blueprints will call the BluprintGetter function but not the BlueprintSetter function. Th ...

Hot Reload wipes all elements of UProperty TArrays in Blueprint subclasses

UE - Foundation - Cpp Tools - Hot Reload - Dec 5, 2017

Hot reloading a change that affects a class that contains a TArray UProperty will wipe all of the array elements of any Blueprint subclasses of that class. Regression?: Yes This does not occur in 4 ...

Directional Light settings remain from previous level when creating new level when using forward rendering

UE - Graphics Features - Jun 8, 2018

Using Forward rendering, directional light settings persist across levels and after deletion. Video attached, shows problem in Dev-VR but same issue occurs in Release-4.20 ...

Postprocess Outline material does not work

UE - Graphics Features - Aug 1, 2018

The PostProcess Outline Material doesn't render properly. Broken in 4.20.1 (CL - 4239966) and 4.21 (CL - 4245542) Working in 4.19.2 (CL - 4033788) ...

Toggling visibility of Sublevels on a server can cause a disconnect if Dynamic Actors exist in the sublevels.

UE - Networking - Aug 17, 2018

The PackageMap / NetGuidCache appear to get into a bad state on Clients if the Server toggles level visibility of a sublevel. This can affect currently connected clients, as well as clients that jo ...

Get Transform at Distance Along Spline does not work properly with Blueprint Nativization enabled if the Spline has multiple points

Tools - Dec 13, 2018

Using Get Transform at Distance Along Spline with a spline that has multiple points along with Blueprint Nativization causes the output of the node to become unpredictable. Regression? No This occ ...

ComponentSweepMulti returning incomplete HitResults

UE - Simulation - Physics - Jan 14, 2019

ComponentSweepMulti sweeps each shape of a component, however resets OutHits at the start of a new shape, losing the prior hits, only returning the hits of the last shape swept. This is a regressio ...

Crash occur package application which set the StringTable

UE - Foundation - Core - Mar 14, 2019

Crash occur the packaging application which has the title referencing StringTablem. When lunch the application with editor and standalone, it's not crash. It' not occur 4.20, and crash with 4.21 and ...

Ambient Occlusion decals ignore Receive Decals setting on meshes

UE - Graphics Features - Feb 13, 2020

Adding an ambient occlusion decal material to a decal affects objects with "Receives Decal" disabled. Tested in: 4.23.1 CL#9631420 4.25 CL#11341939 ...

Enable HDR Display Output on Game User Settings Crash

UE - Graphics Features - Jun 14, 2018

Crash when attempting to enable HDR via UserSettings This crash will also occur when project is fullscreen. User's Environment: "I have an Nvidia GTX 1080 Ti and have two monitors attached: 1. ...