Unreal Engine Issues

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 ...

Cloth Simulation does not Properly simulate in 4.25 when used on Slave Components

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)

Crash importing layered materials from 4.25 to 4.26/4.27

5.3 crashes when loading a map with an actor that had the class of one of its components changed

Create a blueprint based on actor, give it a SceneComponent named ExampleComp (BP_TestActor) - this should be the blueprints only componentCreate a new level (TestMap), place an instance of the bluepr ...

Setting Lightmap Coordinate Index Past 3 Causes Mesh to Get No Lightmap Information

Meshes with their Lightmap Coordinate Index set to anything over 4 will not be lit by static or stationary lighting.  Found in CL# 4.19 4033788, 4.20 CL# 4369336, 4.21 CL# 4541578, 4.22 CL# 4573698 ...

Animation Rate Scale does not appear to have an affect when blending an animation with two different Rate Scales

Rate Scale does not appear to have an effect when using a blend space that blends an animation with two separate Rate scales. ...

Making a navigation system 'strictly static' affects all subsequently created navigation system instances

The problem is a result of two things: UNavigationSystemV1::bStaticRuntimeNavigation being staticUNavigationSystemModuleConfig::UpdateWithNavSysCDO copying the data from nav sys CDO, including bStat ...