Unreal Engine Issues

Packaged Builds with DX12 Crash on 2nd Start

Running a packaged game with DX12 will crash on launch every second start and after. If you delete the files with the .ushaderprecache extension that are in the ProjectName/Saved folder the exe star ...

Editable text box caret blinks slowly when manually setting focus

For some reason, it appears that manually setting the focus (whether it be user, keyboard, or both) on an editable text box in UMG causes the caret to blink slowly. However if you were to manually s ...

Crash launching project with Compat.MAX_GPUSKIN_BONES=75 and Preview Rendering set to Shader Model 5

Crash occurs when the user launches a project with a +75 bone skeletal mesh actor in their scene with the Compat.MAX_GPUSKIN_BONES=75 config change, and the default preview render is Shader Model 5. ...

Duplicating an inherited Blueprint float variable defaults it's value to 0.

When creating an Actor Blueprint (Testbase), and creating a new Blueprint Actor that inherits from Testbase (TestBP).  We can drag an instance of TestBP into the World. If we go back into the Parent ...

'Missing Receipt' error after disabling plugin in binary build and repackaging

This was originally found with Android Launch On but also occurs Launching on to Windows with a new project. This will not reproduce when using a build from PerforceogPlayLevel: Setting up ProjectP ...

Mobile VR Rendering Freeze with World Composition

Rendering freezes on Oculus mobile with World Composition. ...

Datasmith CAD Import Texture Scale Is Smaller Scale Than Expected

The texture scaling of an imported CAD file is much smaller than that of a standard engine primitive or imported fbx.  Found in 4.19 CL# 4033788. 4.20 CL# 4369336, 4.21 Preview 2 CL# 4472090 ...

Can't access Actor in Sublevel from Persistent Level Blueprint

You are unable to access or create references to any Sublevel Actors in the Persistent Level Blueprint. Licensee reports being able to select the Sublevel Actor and then right-click to create a refe ...

FGenericPlatformMemory::OnOutOfMemory should be broadcasting GetOutOfMemoryDelegate instead of GetMemoryTrimDelegate

Launching on IOS, sessions do not appear in the Session Frontend

Licensee reports: Dug into this further and our iOS devices aren't receiving any of the handshake messages sent by the Session Frontend (or any other UDP messages for that matter) because multicast ...