Speaking of RSS, and this feed specifically, it is the only one (of hundreds that I subscribe to) that periodically spams a set of old posts into my "fresh" feed. Some backend change that causes unique identifiers or something to change?
Hi there! Sorry about the issue of old posts reappearing on your feed reader! This is an issue I observed too. The issues were caused due to redesign of my website which led the feed entries to be regenerated with new <guid> values. Perhaps I should generate these <guid> values from the post slugs or some such attribute of each post that does not change whenever I redesign my website.
By the way, I have no intention of disturbing the current design anymore, so this issue should not occur again.
TT-RSS is my client.