Unreal Engine Issues

Check in SetNetPushIdDynamic fails when deriving object from class with no replicated properties

UHT will only emit the REPLICATED_BASE_CLASS macro and set the NeedsPushModelHeaders flag when the class has replicated properties. If a base class doesn't have any replicated properties, it will le ...

Objects without custom delta properties can return false for CanSkipUpdate with net.PushModelSkipUndirtiedReplication enabled

This seems to occur after receiving a Nak for certain actors. FObjectReplicator::ReceivedNak will decrement SendingRepState.CustomDeltaChangeIndex even if the object has no custom delta properties. ...

Dormancy validation log warnings when COND_Never property changes

FRepLayout::DiffProperties doesn't check if the property's conditions is COND_Never or if the Parent Cmd's flags have the ERepParentFlags::IsLifetime flag (which FRepLayout::InitFromClass doesn't se ...

Rect Light Texture does not unload during level streaming in packaged game

Path Tracing shadow artifacts

First picture lit is used [Image Removed] Second picture PT is used, this occurs under certain angles of incidence. [Image Removed] ...

Translucent Water renders dark with Lumen enabled.

Regression tested in 5.1 at CL 23901901 where the issue still occurs. The material will still have the normal and reflective properties. ...

ReflectionEnvironmentAndSky(1739x747,StrataMat=Off) looks to have tile artifacts

Reflection environement looks to be suffering tile classification artifacts ...

Combo triggers do not fire the "Completed" event

Cannot assign a MediaTexture asset to a Brush -> Image in Widget Blueprint

Can't assign Media Texture assets to the Brush->Image property in Images on Widget Blueprints. This workflow is explicitly mentioned as a step in these docs, so if this is no longer the correct meth ...

GameInstance and subsystem initialization order is incorrect for Play In Editor

The order of world and game instance initialization is different between a true standalone game (cooked game or an editor build with -game) and a Play In Editor game. Specifically, in Play in Editor ...