Unreal Engine Issues

Crash when converting non-WP maps containing landscape with OnlyMergeSubLevels enabled

When trying to convert a non-WP map with OnlyMergeSubLevels enabled crash after a while ...

Cook failure when World Partition maps have level instances using level blueprints

The following cook error results from attempting to package a WP map that has level instances using level BPs: LogCook: Error: PackageSplitter found the Generator package still in memory after it ...

Creating new objects inside ForEachObjectWithOuter may cause the bucket of the iterated outer to be read-locked permanently

Not a Regression. Tested in: //UE5/Release-5.0 CL 18747223 Source-GitHub //UE4/Release-4.27 CL 18319896 Binary User Description: "The crash test code is located at Source/HashBucketLockedBug/Pr ...

AllowCommandletRendering D3D12 device crash

Android Projects packaged for arm64 crash on device.

This issue was discovered while smoke testing Release 4.13 for Preview 2. ...

Launching any QAGame map on Linux with an NVIDIA Card crashes at launch

Workaround:  "Start with "-windowed" in your command line until the issue is resolve" Engine does not crash. However, a crash appears when the game is launched in the output log. Issue is occurring ...

Importing fbx onto an empty camera animation sequence can crash the editor

Importing an FBX into an empty camera animation sequence crashes the editor. The import seems to fail when trying to add a camera cut track. Exporting an fbx from a camera animation sequence, deleti ...

game terminated on android device when connect or disconnect usb dongle

The game crashed when the USB Dongle is connected or disconnected. Games that made by other engines are work fine. Refer to the attached video for the reproduce. ...

Fix delegate problems with Blueprints

https://udn.unrealengine.com/questions/236428/bug-blueprints-executing-zombie-code.html Blueprint MyCharacter is based on native class CodeFirstPersonCharacter. CodeFirstPersonCharacter has compone ...

PhysX crash when SetMaterial is called

When provided sample project is run in PIE, crash occurs after call to SetMaterial() is made in code. Downloadable Project: [Link Removed] CrashReporter: [Link Removed] ...