Your assistance sucks as always.
You should learn more and more about customer care even if you could have the best product in the market.
You can’t close a ticket asking it’s not our problem, maybe you can suggest other solution or investigate more deeply in order to understand which was the cause.

Take a look to the screen in attached when I save option on theme. 6.38 seconds load only from admin.php?page=xts_theme_settings&settings-updated=true