I tried to contact them back in April via Firetank Support system and didn't get a response
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Developing in 4.7.x now (Dipping into v5 - Slowly!)
Have used 4.1.x, 4.2.x, 4.4.x, 4.5.x, 4.6.x & 4.7.x
Multiple Instances of X-Cart
MySQL 5.6.37
CentOS 7.4
Chamber Internet - Lancashire, United Kingdom
http://www.chamberelancs.co.uk