Unreal Engine Issues

File handles remain open on Shipping Windows build after assets have finished loading

This developer has a game that they are targeting a Windows-based arcade machine for, but they noticed that while the game is running there are several hundreds or thousands of file handles left ope ...

Using the BuildGraph to create an installed binary build of the Engine will fail if Simplygon is not installed.

A user reported that attempting to create an installed binary build of the Engine using BuildGraph will fail. This seems to be because we include the UE Simplygon implementation, but do not disable ...

[CrashReport] UE4Editor_Engine!ReleaseVertexBuffer() [dynamicmeshbuilder.cpp:299]

No user comments in crash group 296 static void ReleaseVertexBuffer(FVertexBuffer& VertexBuffer) 297 { 298 ***** if (VertexBuffer.VertexBufferRHI->GetSize() <= FGlobalDynamicMesh ...

Add Curve via Anim Modifiers not working

Teleportation icons in VR Template startup need to be switched

This is a small issue, but the icons represented in the Startup map for the teleportation destination and orientation need to be swapped. The Motion Controller map uses the icon that reflects the di ...

Mobile MSAA breaks Modulated Shadows on OpenGL ES 2

UPDATED DESCRIPTION When enabling Cast Modulated Shadows on a Directional Light and using Mobile MSAA on Android OpenGL ES 2, shadows from the Directional Light do not render when dynamic objects ar ...

[AI] ZoneGraph does not update build settings when changed in project settings

The build settings for ZoneGraph do not get refreshed after the editor loads. Changing the snap distance or the snap angle will not be reflected in the ZoneGraph until you reload the editor. You can ...

Opening Editor preferences window while simulating and pressing Play/Stop causes memory leak

An open but minimized Editor Preferences window causes a memory leak while simulating and repeatedly pressing Play/Stop. ...

ensure(false) being fired in FGenericParticlePairMidPhase::FindOrCreateConstraint from key collision

ensure(false) being fired in FGenericParticlePairMidPhase::FindOrCreateConstraint from key collision. The licensee reports one of their users reported this issue and they were able to reproduce a fe ...

"Error: No Assets to Check In" warning when using File > Submit to Source Control on Mac SVN

When connecting to SVN source control on Mac, I am unable to submit new assets to Source Control using the File > Submit to Source Control method or through the Source Control > Submit to Source Con ...