We have updated all customer website to Ghost v5.80.1 today. You can read about changes in Ghost's official release.
Release 5.80.1 · TryGhost/Ghost
🎨 Improved lazy-loading of comments data (#19809) - Kevin Ansfield
🐛 Fixed free tier showing in the tiers-only paywall in posts (#19807) - Sag View the changelog for full details: v5.80.0...v5.80.1