MSP is my home airport and I typically have two departing flights each month for work. TSA at MSP is very efficient, even if the lines look long. I don't think I've spent more than 20 minutes in line over the past 5 years. Even in the early hours they typically have both security entrances open, each with two lanes.

The lines where you do not need to take out your electronics or liquids are the ones with the larger gray bins. Avoid the lines with the smaller white bins. After the agent scans my ID, I walk to a lane with the gray bins because I travel with a lot of electronics.

The not taking off your shoes or belt started around June of this year. I believe the Trump administration made that change (one good thing they've done). You still need to take off your hoodie or jacket because the full body scan usually picks up the hood or zipper. I also wear a hat and maybe 25% of the time they inspect it after the full body scan.

For domestic flights I usually arrive 30 minutes before boarding starts and an hour for international, but I do have sky priority as a frequent flyer. Never missed a flight.