WHMCS V8.1.3 Compatibility - Modules List

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WHMCS 8.1.3 has just been released! Our WHMCS Development Team is now working really hard on our modules to confirm their full compatibility with the latest WHMCS version. This thread will be updated daily. Here we will list the modules that have successfully passed our quality and testing procedures.

You will see a list of modules that are compatible with WHMCS 8.1 and you can go to my site and you will see a banner on the module's product page that says: Full Support V8.1.3.

Here is the list of modules that work with WHMCS 8.1.3:

Testimonial
Bandwidth Graphs
Auto Ticket for Fraud Orders
Uptime Status
FastTrack Ticket
Log Prune
GDPR Tools
Client Limitation
Staff Notes
Marketplace Followup
Support Pin
Cancel Invoices
Stripe Balance Widget
Domain Groups
Close Account
Refer A Friend
Client Username
Share Notes
Display Client Overview
Auto Accept Orders
Login Verify Pin
Email 2FA
Existing Domains
MailerLite
Hidden Services
Scheduled Price Increase
Country Restrictions
Phone Verification
Products/Addons Images
Product Limiter
Seal Generator
Credit Manager
Email Auto Authorization
Client Notify
SMS Manager
WhoIsOnline
Client Verification
New Order Ticket
Client Notification
Agree Terms
Server Monitoring
Cancellation Ticket
Email Verification Pro
Domain Auction
Link Directory
PayPal Extended
Affiliates Plus
UptimeRobot Status
Profile Photo

If you do not use the Twenty-One template then all modules work fine 

If somehow you find any bugs or problems, please open a ticket so we can investigate. I have tested the compatibility of each and every one of these modules with WHMCS 8.1.2 and PHP 7.4 on my Dev Machine.

Update: 3/03//2021