Changelog:WHMCS V5.3.14
From WHMCS Documentation
Security
CORE-8479 - Redacted
CORE-8484 - Redacted
CORE-8485 - Redacted
CORE-8487 - Redacted
CORE-8488 - Redacted
CORE-8508 - Redacted
CORE-8529 - Redacted
CORE-8538 - Redacted
CORE-8539 - Redacted
Modules
MODULE-6024 (#4591) - Prevent invoice creation process generating orphaned promotional item invoices
Also known as: CORE-7307
MODULE-6196 - Update Sagepay modules to use Sagepay API v3
Also known as: MODULE-6251
MODULE-6245 - Namecheap: Fix compatibility issue with PHP 5.2