Unreal Engine Issues

Data loss with subobjects in Blueprint arrays

If a file has been opened in the editor, it cannot then be unshelved by perforce until the editor is restarted

When the Editor launches it does not have a file lock on assets that are not open. When the asset is opened for editing, UE gets a lock on the file and this lock persists even after the tab is close ...

IsLocalController returning incorrect value when PIE listen server travels back to standalone map

In this situation where the listen server travels back to a level without listening, IsLocalController can return the incorrect value. After the NetDriver has been shutdown and destroyed, the pawn a ...

StateTree : Crash when executing GetPropertyRef in SubTree linked via Linked Asset

A crash occurs when GetPropertyRef node is executed from a SubTree that is linked within a StateTree, which itself has been linked from a parent StateTree via a Linked Asset ** . The processing con ...

SplineMeshComponent resources leak

A race condition occurs in the InitSplineVertexFactory_Internal }}function call, which is distributed across multiple threads. This causes {{FSplineMeshVertexFactory to be instantiated multiple time ...

"Set Animation Mode" creates multiple instances of the AnimBP

Changing the Animation Mode repeatedly creates a new instance of the AnimBP being used every time you switch back to the Animation Blueprint mode. Example Project: [Link Removed] ...

Opening a Sprite that is already opened in Property Matrix closes the Property Matrix tab

Opening a Sprite that is already opened in Property Matrix closes the Property Matrix tab. This is inconsistent with other asset types; tested with Textures, Materials, and Blueprints, and in each c ...

Crash when Listen Server Attempts ServerTravel in Play in New Editor Window

JamesG: New callstack on UDN thread points to UNetDriver::TickFlush Editor crashes if a listen server attempts to use the console command ServerTravel while in Play in a New Editor Window. CrashR ...

BP Struct's 'Bool variable' will reset back to it's default value on compile

BP Struct's 'Bool variable' will reset back to it's default value on compile. ...

Sounds Triggered on Android playback 3 times in quick Succession

Users are reporting that when playing sounds in projects deployed to their Android Devices, the playback is triggered three times in quick succession. There are known work arounds to this issue, li ...