Hi,

I have the same issue as mentioned here
#4401

As you can see from the screenshots (see the date) there came up older content, which is already marked as read.

Feed-URLs from the screenshots.
https://mediathekviewweb.de/feed?query=!WDR%20%23Wundersch%C3%B6n!
https://mediathekviewweb.de/feed?query=heute-show
https://mediathekviewweb.de/feed?query=leschs%20kosmos
https://mediathekviewweb.de/feed?query=MaiThink%20X

I use the current version of FreshRSS on Docker on Synology NAS.