[0points]

What do you even mean "if their blog had a RSS feed"?

The feed is right there in the link being discussed.

[uallo]

They mean that https://ladybird.org/posts.rss only includes "news" (last updated in October 2024) but not "newsletters". In another thread, there is a link to the newsletter archive which can be subscribed to with a feed reader: https://news.ycombinator.com/item?id=44765710