Unreal Engine Issues

Fix deadlock between sk component and sk build or import

Fix deadlock when skeletal mesh component is shown in the detail panel with physics body section category open and the skeletalmesh is re-importing or doing any other asyc task that need the game th ...

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 ...

Spatialization no longer occurs when Non-Spatialized Radius is set above 0

Audio spatialization no longer occurs when Non-Spatialized Radius is set above 0 in a sound actor (instance or in a sound cue). I could not reproduce this issue in UE4/Main. ...

Crash when making Android package in SlateTextShaper.cpp

Crash when outputting garbled text when creating Android package. It did not occur in my colleague's environment using English OS, but occurred in my environment using Japanese OS. This issue should ...

Morph target LOD over 0 not worrking with GPU skin

I do not know what happen here and I need the help of the rendering team to debug this issue. There is no log at all even with -d3debug If you import the file SK_LOD_Morph_Working.fbx its a similar ...

Setting Fixed Frame Rate Prevents Particle Collision In PIE, Standalone, and Packaged Game

If you set the project to use a fixed frame rate, particle collision no longer works. ...

Material editor crash in 5.0.2

Nanite custom depth rendering is missing support for r.CustomDepthTemporalAAJitter=0

Nanite custom depth rendering doesn't "de-jitter" the view parameters for custom depth rendering when r.CustomDepthTemporalAAJitter is set to 0. This was discovered by a licensee and reported via U ...

Distortion Displacement Track is empty in new level sequence using a distortion file with a framerate of 0

Distortion Displacement Track is empty in a new level sequence using a distortion file witha framerate of 0. ...

Scene Color node with UV input on a transparent material renders incorrectly in stereo

From Licensee: When we have Instanced Stereo enabled, all our materials that use Scene expression nodes (SceneDepth, SceneColor, etc...), render incorrectly in the right eye. It only happens to the ...