From v1.9.0 you can monitor the execution queue.
This is especially important when using 11. Fire and forget, as all request are just put on the queue and is processed in the future.
If you create a flow and a variable like QUEUE_SIZE, and attach the queue-size changed til setting the QUEUE_SIZE variable from property queuesize, like this
Then you can monitor the queue with Insigths
Or the App on your Phone/Tablet
It should count down and show 0 when all log items are processed