Upgrading to GTAG

Hi, I have been using your plugin for years now and love it.

I want to use GTAG as Google is now moving everything to GTAG. I noticed that your plugin is still using the old analytics.js code. Is there any specific reason why you are still using the old analytics.js? I want to use the new G-XXXXXX code with your plugin (by entering it manually). But your plugin won’t let me add that code.