On your site, we can see these errors in the browser console – http://prntscr.com/10vxhyh , it means fonts are not loaded correctly right now. As a rule, it will be fixed once you delete fonts from wp-content/fonts/ folder and select them one more time in Theme Options. You can simply open Theme Options on both your sites and compare fonts settings – https://prnt.sc/10vxopp It is independent of the theme update.
If this way doesn’t help, or you do not want to use this way, try the next one – solution for the “Access-Control-Allow-Origin” error – https://crunchify.com/how-to-fix-access-control-allow-origin-issue-for-your-https-enabled-wordpress-site-and-maxcdn/
