Unreal Engine Issues

Android build fails with GPU Lightmass plugin enabled

Packaging for Android fails with the GPU Lightmass plugin enabled. A customer reported this and I was able to successfully repro it, however my callstack was different. I'm attaching my logs and cal ...

Spawnable Level Instance via Sequencer in WP map

ULevelInstanceSubsystem::OnActorDeleted: check(!IsEditingLevelInstanceDirty(LevelInstance) && !HasDirtyChildrenLevelInstances(LevelInstance)); ...

Editor crash in blueprint after compiling Post Process Settings node setings

Adding a variable of Post Process Settings structure to a blueprint causes the editor to crash when the blueprint is compiled. Regression: Yes - Editor did not crash on compile in 4.17.2 (CL 365890 ...

Saving a Slate Vector Art asset causes a crash

Saving a Slate Vector Art asset causes a crash. ...

Crash upon diffing Blueprint that was reparented when its previous parent has already been deleted

When attempting to diff a Blueprint that has been reparented when the previous parent no longer exists in the editor, a crash occurs. The crash is due to the editor attempting to reference the delet ...

Crash Occurs When Creating Pose Asset from an Animation in Persona

Engine crashes when creating a new pose asset in persona using the Create Asset option -Tested with walk, idle, and run anims -Didn't crash only once out of the several times tested with the Third ...

Nullptr Ensure and crash after HotReloading

Following my repro, I hit an ensure and crash. The two times I tried to repro after my first crash resulted in different call stacks. I'll comment the other Jiras once I have them in. One of my cra ...

Crash when editing category name in the emitter summary

Intermittent Crash using Rewind Debugger in Game Animation Sample

Licensee is reporting an intermittent crash when using the rewind debugger in the Game Anim Sample. ...

Instance Synced properties in Blackboard cause a crash

Using an Instance synced property in a Blackboard causes a crash when exiting PIE. This is a regression from 4.24.3 (CL-11590370). This was reported and tested in 4.25 (CL-13144385). This was teste ...