This thread relates to this GDPR feature request
Our development team provided the following update on January, 29th 2017
We can confirm our team have been working on a number of changes to the product designed to help our customers with meeting their GDPR compliance requirements. These changes will be part of the upcoming 7.5 release which we anticipate will be released in March, well before the May 25th deadline. In the coming weeks, we will be publishing several blog posts relating to GDPR and what we're doing to help our customers be prepared for it, so please keep an eye on our blog for further information.
A blog has now been added at https://blog.whmcs.com/133405/gdpr-what-you-need-to-know