A long time ago, I subscribed to Nuklear Power, at http://www.nuklearpower.com/feed/
Although the site’s been quiet for a long time, I’d like to stay subscribed just in case something happens in the future.
However, starting today, an old post from 2015 (“Big Bad Con 2015”) showed up as unread, with a broken link. It wasn’t interesting, so I marked it as read and moved on, but an hour or two later when I checked NewsBlur again, the same post showed up as unread once more. I marked it as read and later it came back as unread again; this cycle has repeated maybe half a dozen times today.
NewsBlur’s internal URL for the feed is https://www.newsblur.com/site/589086/nuklear-power if that helps.