On 2nd August 2018, the Office of the Traffic Commissioner released their annual report for 2017/18. In it, they outline improves the industry has seen over the period; including reduced waiting times for license applications, harsher punishments for operators who operate dangerous/under maintained vehicles, as well as issuing a promise to reduce the time it takes offenders to be caught & prosecuted.
You can find the year published here; as well as a blog post on the Gov.uk website going over points/details of interest, including personal statements from a number of the Traffic Commissioners themselves.