Unreal Engine Issues

Crash on exit with NULL FTextRenderComponentMIDCache

Suggested fix is to relocate the Super::PreExit() call to the end of UGameEngine::PreExit() so that level streaming can be safely flushed before the MID cache is cleaned up. ...

Merged static mesh doesn't maintain scale if created using the AddStaticMeshComponent node

Merged static mesh doesn't maintain scale if created using the AddStaticMeshComponent node. User Description: The second thing: My workaround for that is to create a tiny triangle mesh with simple ...

DrawDebugSphere & DrawDebugAltCone deref nullptr if used in constructors

\Engine\Source\Runtime\Engine\Private\DrawDebugHelpers.cpp DrawDebugSphere and DrawDebugAltCone both try to dereference variable 'LineBatcher' without checking for null, as the other DrawDebug func ...

GPUFree is called on allocations not made with GPUMalloc

GPUFree is sometimes called on allocations not made with GPUMalloc. Later this will cause GPURealloc to be called with invalid values and cause a crash. This can occur with vertex buffers. ...

DOF rendering artifacts on Redmi Note 3

Crash in MobilePatchingLibrary OnInstallComplete when install fails

Crash in MobilePacthingLibrary.cpp in the function static void OnInstallComplete FText ErrorText = MobilePendingContent->Installer->GetErrorText(); It looks like MobilePendingConte ...

Launch on to HTML5 fails in browser with Expression (mp_Table) failed in LowLevelMemoryMap.h

I was able to repro this on both FF and Chrome. I have the latest FF 64-bit and was running into this after I deleted my intermediates, ran GenerateProjectFiles.bat, and built UE4 in VS. ...

Foliage experiences odd culling when world origin is changed

There is an odd issue occurring when the world origin is changed, changing the world origin causes the foliage to cull in unexpectred ways. The issue can be solved by using the console command "r.Al ...

Ensure in IWCE copying a component and its child at the same time

REGRESSION: Yes, does not occur in 4.16.3 Ensure occurs in in-world component editing, when the user selects and copies a component and its child at the same time. This doesn't occur if these comp ...

Crash in FMediaPlayerBase::TickPlayer in Shipping builds

A crash can occur in FMediaPlayerBase::TickPlayer in Shipping builds. This is because FMediaPlayerBase::NativePlayer is not a thread-safe shared pointer. The fix is to make it ESPMode::ThreadSafe. ...