WHMCS 5.3.4 is now available to download.
This release contains scheduled maintenance improvements and other fixes for the 5.3 series.
For a full list of changes, please refer to the changelog @ http://changelog.whmcs.com/WHMCS_V5.3
As always, we are making available both an incremental patch set version (which can be used to upgrade from 5.3.3 only), and a full version which can be used for new installs and upgrading from any other version. Both of these can be downloaded via our Downloads page.
Read more @ http://blog.whmcs.com/?t=85734