I wonder if the colors, fonts and sizes etc that I applied via Elementor disappear when this plug is updated? ( I use Airi free)
Plugin update shouldn’t affect your settings and content, but it’s better to have a backup, here is a relevant WordPress Support article:
Also you can create a staging site for testing purposes, we have an extensive tutorial on that topic:
Please feel free to ask any other questions that you might have.
Kind Regards, Roman.