Replicated subobjects list crashes with unreachable yet valid objects when UE_NET_SUBOBJECTLIST_WEAKPTR=0

UE - Networking - May 8, 2023

This seems to occur when the subobject is considered unreachable but is not yet pending kill/marked as garbage. In this case, IsValid returns true while FWeakObjectPtr::Get returns nullptr for the o ...

Dropped encryption ack control message can result in connection failure

UE - Networking - Apr 28, 2023

When connecting a client using encryption, the server's NetConnection sends the encryption ack and then immediately enables encryption (UNetConnection::EnableEncryptionServer). In the case where the ...

iOS ReplayKit isn't working in UE5.1+

UE - Platform - Apple - Apr 21, 2023

In 4.27 & 5.0 when you press the in-app screen recorder button it would pop-up a msg about the user giving permission to allow the screen recording and then would start the recorder and save the mov ...

Lumen tile classification flicker

UE - Rendering - Graphics Features - Lumen - Apr 19, 2023

While we suggest using screenpercentage at 25%, it is visible at higher percentages. Video showing the flickering:https://udn.unrealengine.com/s/contentdocument/0694z00000Qw4jPAAR ...

Materials are added to a Model that has been modified by Cube Grid

UE - Graphics Tools - Modeling Tools - Apr 3, 2023

This is not a regression. Tested in //UE5/Release-5.1 CL23901901 Changing materials before making a change to a model with cube grid causes that previous selected material to be added to the model ...

Decals Normal only + Material Attributes

UE - Rendering - Graphics Features - Mar 24, 2023

This does not just work with BaseColor, you can affect any of the outputs by connecting something to a disconnected CreateMaterialAttributes. ...

HighResScreenshot crashes in windows packaged exe

UE - Rendering - Architecture - Mar 22, 2023

FHighResScreenShotConfig::Init() sets the materials only in the Editor, due to a #if WITH_EDITOR block. However, the FViewport class exposes the TakeHighResScreenShot to non-editor builds as well, l ...

Submix Level's minimum changes from -96dB to -60dB after making any changes to value

UE - Audio - Submixes - Mar 22, 2023

Reproduces 3/3 times. Issue does not occur in //UE5/Release-5.1 - CL 23901901 Binary. Confirmed Regression. ...

Actor scale can be different on client and server when spawning with scale of (1,1,1)

UE - Networking - Feb 28, 2023

When spawning an actor, we don't seem to replicate the scale if it's set to (1,1,1), even if the root component's default scale is different to this. This results in the client using the default sca ...

Near Clip Plane project setting has no effect

UE - Rendering - Architecture - Jan 18, 2023