Do I know anyone who uses (and maybe even self-hosts) #Linkwarden? https://linkwarden.app/

I am looking for a way to organize ~5000 bookmarks and ~35000 (no typo) read it later items.

Does anyone here have an opinion? Is it "good"? Does it have pain points you already discovered?

Linkwarden - Bookmarks, Evolved

Linkwarden helps you collect, read, annotate, and fully preserve what matters, all in one place.

@claudius

I know that this will not answer your question, but it's related: if you want to selfhost your bookmarks, you can use floccus:
https://floccus.org/

You only need a nextcloud instance and an addon for each of your browsers.
I can't say if big number of bookmarks can be handled.

Cross-browser bookmarks syncing - Floccus bookmarks sync

Floccus offers seamless cross-browser bookmarks syncing, making it easy to manage your bookmarks across multiple devices with your privacy in mind. Discover how to enhance your browsing experience.

@demokratiehoernchen it's on my radar, but as far as I know, they don't archive bookmarked pages, so I'd prefer Linkwarden - unless there's something wrong that I don't yet know about.