Well after installing 1.2 on my Opus DNA 200 I am very pleased I do have to do a soft reboot to get my battery indicator back but with that said it's performing a whole lot different and with stainless steel it is excellent no comparison to before preheat set at 100 watts run set 65 temperature 530 D F 24 GA I have my mod set for temperature dominant and will hold a perfect vape and flat line on my Boresa shout out to everyone at Evolv