The latest version of the Mobirise app is 3.12.1

What's new: - Users with paid extensions can install versions of extensions they have after the end of the free update period - Site image library improvement - overall speed increased, you don't have to wait images loading - Mobirise 3 theme: RTL (you can enable this feature in Style Changer), minor fixes - WowSlider: wrong image size issue fixed

And if you're still missing the Google Drive option of publishing, please check this tutorial: https://mobirise.com/help/github-pages-tutorial-301.html