1. Got comments and pingback with Antispam
2. Install a nice (Elastic) Search plugin with a decent search engine (name your preferred option).
3. HotSwap on the fly themes
4. Improve performance via cache plugins (there are a lot of them).
I do not run JetPack to avoid even Wordpress.com lockin. Also with PHP 8.x and code cache enabled the overall WordPress speed is very high.
So how can I get all this feature on static site generators without lockin for comments/search/moderation (just asking)?