Unreal Engine Issues

Garbage Collection Causes Lag in MAC Project

User reports lag regardless of the Garbage Collection settings, EXCEPT: If the user changes settings to 3 then lag becomes more frequent (approximately every 3 seconds verses every 5 seconds.) *Wa ...

Crash when pressing Ctrl-Z after creating a blueprint function

Crash when pressing Ctrl-Z after creating a blueprint function *This is a regression: Working in 4.14.3-3249277 Not working in 4.15.0-3299760* Crash Reporter: Error message: Access violation ...

An InstancedStaticMesh component set to Stationary doesn't register overlaps

An InstancedStaticMesh component set to Stationary doesn't register overlaps. However, overlaps are registered on Static and Movable. There is also an issue where actors that start overlapped with ...

Blueprint fails to compile when adding new member to struct that is an input parameter of implemented interface function

Adding variables to a structure that is an input parameter of an interface function causes a compile error in any blueprint that implements the interface until the interface is recompiled. Compile ...

GameMode::InitNewPlayer trims player name at hardcoded 20-symbols limit

Need to generally address how to clamp player name. InitNewPlayer seems to be the only place where player name length is enforced, and it's enforced in a poor way. Needs to be enforced uniformly acr ...

InstancedStaticMeshes disappear in Shipping builds on mobile when affected by dynamic point lights

This ticket is to add the safe workaround for 4.23.1, with a more optimal fix coming in 4.24. ...

Unwanted black boundaries are displayed in a vertical split-screen with 3 players.

Floating point error from UGameViewportClient::SplitscreenInfo causes this issue. FMath::TruncToInt( 3240 /*ViewportSize*/ * 0.333f/*Ratio in SplitScreenInfo*/ ) = 1079 I suggested a following t ...

Line height for text boxes does not appear to be affected by scaling when using a scale box

When scaling text with a scale box the letter will begin to overlap when scaled up or become really far apart when scaling down (this is referring to the space between the top and bottom of the lett ...

The Tint setting under style for the slider bar in UMG does not appear to have an affect on the color of the widget

Changing the Slide bar Color/Slide Handle Color will change the color of the Slider widget. However when changing the "Tint" settings under style, there does not appear to be any color change. ...

Put fix for UE-39713 into 4.14.3 (Memory leak in GPURealloc)