Major Compatibility Problems with Plugin Meta Boxes

enabling this Gutenberg plugin, I noticed that all of my plugin meta boxes that appear in the post edit portion—like SEOPress options, markdown, custom fields, and various others—completely disappeared from the post editor screen. This is a critical issue for anyone relying on SEO plugins, custom fields, or other add-ons that extend WordPress options. I tried checking for updates, disabling conflicting plugins, and searching for compatibility options, but the problem persists until i deactivate this one..