I don't know if anyone else is still noticing the issue but I am seeing in Safari the notice "This web page has been reloaded because it was consuming significant memory" multiple times. I have a 15" 2017MBP with 16GB RAM and when I have 5 FT tabs open, the computer gets noticeably hot. I did not notice this issue with the old theme. This only seems to have occurred after the style was updated.