Just for the record, if this affects you somehow, some customers spotted a problem:
Having the extension McAfee Web Advisor results in an empty screen on Tryton sao.
Disabling the extension works.
Thanks @Joan
I’ve seen a similar behaviour when using a strict security policy in server side:
In order to make it work, an exception for unsafe-inline CSP must be added for tryton. I’m wondering if macaffe is just appling such policies on all websites.