Changelog:WHMCS V8.5.2
From WHMCS Documentation
Maintenance
CORE-17088 - Prevent redirect of users during fraud checks with forced 2FA enabled
CORE-17740 - Update Google Sign-In integration libraries
Also known as: MODULE-7673, CORE-17768
CORE-18304 - Redacted
Modules
MODULE-7817 - Correct missing class when configuring TransIP
Also known as: MODULE-7819
MODULE-7849 - Prevent erroneous failure on receipt of new url schema for GoCardless manadates