I have been using mine since around May'ish? and it hasn't shrunk too badly. Just a little shrink but still works great for me. I put in around 20 hours a week and its been holding up very well and feels good too.
Racquet : TGK238.1 2X / Head YTPP 1X
Strings : BHB7 17G 49lb / LUX 4g Rough 17G