full changelog :https://docs.whmcs.com/Version_8.6_Release_Notes
full changelog : https://docs.whmcs.com/Version_8.6.1_Release_Notes
full changelog link https://docs.whmcs.com/Changelog:WHMCS_V8.7.0_Beta_1
Implemented
FEATURE-2961 - Implement CentralNic Reseller module
Maintenance
CORE-10317 - Honour Default Order Form Template for upgrade orders
CORE-15515 - Improve CSS handling of length options on Client Profile dropdown
Also known as: CORE-15689, CORE-18333
CORE-16578 - Require valid inputs when saving Email Notification provider
CORE-17804 - Prevent error when...
full changelog link https://docs.whmcs.com/Changelog:WHMCS_V8.7.0_Beta_2
CORE-18108 - Correct loading/expansion of View All Service on admin ticket view
CORE-18118 - Ensure setup wizard does not change system URL from https to http
CORE-18189 - Ensure notification rules are evaluated for product upgrade/downgrade orders
CORE-18330 - Ensure consistent format for Next Due Date of paginated services on client summary
CORE-18384 - Correct GoCardless paymethod selection for renewal invoices
CORE-18388 - Prevent type errors when saving quotes in PHP 8.1
CORE-18395 -...
CORE-18533 - Improve price display in 360 Monitoring landing page
CORE-18539 - Prevent update error related to missing addon records
CORE-18543 - Remove obsolete template files related to licensing provisioning module if present
Implemented
FEATURE-3223 - Visual refinements for 360 Monitoring MarketConnect admin pages
FEATURE-3234 - Improve CSS on 360 Monitoring landing page
FEATURE-3238 - Correct phrasing from "monitors" to "websites" in 360 Monitor plan descriptions
Maintenance
CORE-13323 - Correct display of domain expiry date format in domain sync report and My Domains page
CORE-17826 - Correct inspection of premium domains from Enom availability results
CORE-18297 -...
Security
CORE-18682 - REDACTED - XSS
Maintenance
CORE-18667 - REDACTED - Payment Assertion
Implemented
FEATURE-3195 - Implement On Demand Service Renewals
CORE-16103 - Implement support for encrypted MySQL connections
MODULE-7951 - Implement Link digital wallet by Stripe
Maintenance
CORE-7655 - Remove erroneous invoice merge field from email template for accepted quote notification
CORE-8590 - Discontinue module distribution for EOL gateway service LinkPoint
CORE-12711 - Provide 'service_cancellation_type' merge field variable for product...
Full changelog in here https://docs.whmcs.com/Changelog:WHMCS_V8.8.0_RC_1
Maintenance
CORE-17885 - Improve handling of .jpeg logo
CORE-17886 - Correct documented name for parameters of hook AfterModuleChangePassword
CORE-18673 - Improve OpenTicket API admin parameter description
CORE-18678 - Correct adding addons for multiple instances of same product in admin order
CORE-18688 - Correct IntoDNS URL
CORE-18698 - Prevent error in PHP 8.1 when AutoTerminationDays is not defined...
Maintenance
CORE-18726 - Improve resolution for 360 Monitoring icons
CORE-18755 - Prevent error in PHP 8.1 when reimporting ticket
CORE-18770 - Correct saving of Microsoft Oauth Refresh token
Also known as: MODULE-7970
CORE-18800 - Prevent error during manual update while authenticated
CORE-18825 - Ensure value for translation string "service.confirmcommand"
CORE-18827 - Correct additional field structure for .vote TLD
CORE-18848 - Prevent error on domain transfer when...
Implemented
FEATURE-3367 - Implement On Demand Renewals for Service Addons
FEATURE-3461 - Integrate PayPal Payments and PayPal Card Payments, allowing recurring payments by card or PayPal without subscription agreements/IDs
Maintenance
CORE-7657 (#5121) - Prevent setting Next Invoice Number to a unsupported value
CORE-18029 - Improve performance of admin area pages with large tbladminlog
CORE-18557 - Improve performance of Client Activity widget for systems with millions of clients...
Implemented
FEATURE-3461 - Integrate PayPal Commerce + Vault: bugfixes and UX improvements
Maintenance
CORE-18908 - Update wording in On-Demand Renewals Panel
CORE-19064 - Update .re whois server
CORE-19086 - Correct invoice aggregation deficiency provided in 8.9.0 RC
CORE-19090 - Improve PHP health check evaluation and messaging
Modules
MODULE-8031 - Update SagePay API URLs to direct to Opayo