Plugins Not Updated

PRE SALES QUESTION #2:

It appears that this plugin has not been updated as compatible with WordPress 4.4 The new version of WordPress that was released on December the 8th.

Since the release of WordPress 4.4 was on December the 8th and the last actual update this plugin was September 2nd, 2015 I have actual concerns of compatibility and security.

I am actually ready to buy the plugin but have legitimate concerns because I keep all of my WordPress installations and plugins up to date regularly and have clients who need this same regularity of updates.