The new block builder has the huge advantage of interoperability across plugins, i.e. the ability to use native block integrations from other providers like Gravity Forms, Woocommerce, etc, as well as native integration with content analysis plugins like Yoast and RankMath.

With this builder as the future of Wordpress, please consider porting your UX Builder functionality to Gutenberg. All of your current elements could be set up as native blocks in the block editor that would only be available if/when the theme is activated, and the current options could still be available in the block editor sidebar. Ideally, there would also be a script or some kind of function for converting content from Flatsome shortcodes to the new native blocks.

Migrating to this editor has been a big productivity boost for our content management teams, and I'm hoping that Flatsome will embrace this new direction as well.