Whmcs_v861.zip
: Resolved multiple "Fatal Error" issues occurring in PHP 8.1 environments, specifically during server syncs, invoice generation with 100% discounts, and when certain suspension parameters were undefined.
: Corrected a payment recording issue for non-decimal currencies to prevent incorrect fractional credits. whmcs_v861.zip
8.6 Change Log - WHMCS - Documentation
Because version 8.6.1 is EOL, it is vulnerable to several newer security threats, including those addressed in the security update which targeted XSS and CSRF vulnerabilities. : Resolved multiple "Fatal Error" issues occurring in PHP 8
: This version reached End-of-Life (EOL) on October 31, 2023 . It is no longer supported and does not receive security patches. Changelog & Technical Improvements specifically during server syncs
: Correcting issues related to the transition to PHP 8.1 and refining mail service integrations.