I have been experiencing way more overloads than usual since the update, did they break something?
How are you using your maneuvers?
This as well as
Are you using the maneuvers shortly after zoning or activating.
Is there a specific maneuver you're overloading on more often?
Are you certain your burden reduction gear is being swapped in?
Are you using Tactical Processor or no longer using Heatsink?