Unreal Engine Issues

Unreal 4.26 Crashes when playtesting with a groom in the scene

When you hit play with a groom in the scene, the engine crashes Additional notes: First tried adding it to a skeletal mesh through a character blueprint. Engine crashes. Engine doesn't crash if pla ...

Network profiler crash

Running with the -networkprofiler command line argument can crash the server on the first engine tick in FNetworkProfiler::TrackFrameBegin because the file writer archive hasn't been created yet. ...

nDisplay - Editor crash when clicking on actors in the ICVFX Panel viewport

Crash Occurs on Project Load When Casting a Child Actor Component's Parent to the Parent Class

A crash is occurring on project load when attempting to use GetParentActor and cast that to a Parent class that contains a child actor component inside of that child actor component's blueprint. T ...

Editor Crash When DFAO Viewport Has Zero Area

I've reproduced this crash in 4.16, 4.17, 4.18, 4.19, and Main. Per licensee: The editor crashes if distance field ambient occlusion is enabled and a viewport is resized to have zero height. Th ...

Crash opening project with Hair assets

Crash occurs when the user opens the linked project, which has Hair assets. [Link Removed] ...

Vulkan crashes on Adreno Galaxy S7

Crash on project startup due to certain Skeletal Mesh being accessed

If you open the 6 assets that were close unexpectedly it will crashEnemy (Blueprint), Player_BP (Blueprint) and ThirdPersonGameMode (Blueprint) it crashesThe texture and Projectile_Base (Blueprint) ar ...

Adding Niagara system to a projectile causes a crash

Adding a Niagara system to a BP_Projectile in a C++ First Person Project  and then restarting it causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 744 ...

Compsure crashes when reordering transform passes

Re-ording the Transformpass array results in a crash of the engine. Link to repro video: [Link Removed] ...