The MikroTik Router OS packet flow diagram has changed
This is something that only a few expert and technical people know.
Here are the changes, circled in red:
Most of the configuration in QoS ‘Advanced bandwidth management/queue’ is no longer working – you’ll need to use a totally different command to make the Queue work.
For more information, and to see these changes in context, visit the MikroTik wiki, here.