The most consistent rumors I have heard, is one of 2 options:
1. 2-3 step increases plus a bump in starting and top pay (to help hire and retain)
2. Changing the whole pay structure again, from a 10 step to a 5 step, and giving the people that worked for the past year 2 step raise on top of raising the top and bottom pay.
The number 2 option I have actually heard confirmation, that it has been discussed and is currently being seriously considered, on from really high up in the company (we are talking about high ups in Memphis).
Once again, this is all rumors at this point, however I can almost guarantee that by now they already know exactly what they will be doing. They have to do something extreme, otherwise a lot of couriers and other hourly employees will be looking for employment elsewhere, as it is really easy to find a well paying job at the moment.