The base OPML format includes only the feeds, not unread stories or stars. This appears to be the standard for feed exports, but we may want to have a more complete export format available. It might be worth looking into exports provided by other feed readers to get a sense of what options they provide. Allowing people to export will make it easier to transition between instances when upgrading or switching VPS providers without needing to manage database dumps.
The base OPML format includes only the feeds, not unread stories or stars. This appears to be the standard for feed exports, but we may want to have a more complete export format available. It might be worth looking into exports provided by other feed readers to get a sense of what options they provide. Allowing people to export will make it easier to transition between instances when upgrading or switching VPS providers without needing to manage database dumps.