RB600A running v5.14. In Tools -> Profile, Queueing consistently shows about 30-40% CPU usage. However, we have no simple queues or queue trees. Interface queues are set to "only-hardware-queue."

I strongly believe this update was released now in response to the CIA Vault 7 / Wikileaks leak that became known yesterday. I expect we may have a further update from Mikrotik has more info about the tools used when Wikileaks makes them available for analysis but kudos to them for the fast turnaro...