Plug-in PDF Invoices & Packing Slips for WooCommerce has got an update with vers 3.3.1
The plug-in just updated at Mon 23 Jan 23. The v is tested till 6.1.1. At this time it got 300000 installs at several WordPress sites. The first vers was released on Friday 17 January 2014, and it is downloaded 11114828 times.