Oh thank goodness it's not just me. That's literally the same thing that's happening to me. Could you try th milk bucket too? Because that's also buggy for me as well. I uploaded both videos.
This is the closest I'll find to the exact same problem I'm having. I literally can't even load up a world or do anything without it crashing.
Can confirm the same is happening for me. /debug stop doesn't return anything besides stopping the tick profiling. /debug function works perfectly fine however.