I answered a call for RSS recommendations recently. Here are mine. They leave out hyperlocal things like Medford Public Schools news and more obvious things like Ars Technica and things specific to me like blogs of people I met once that are no longer updated.
Tumblrs all have an RSS feed, including
necessary-disorder and
woshibai.
Le Chaudron Chromatique has interesting drawings and small roleplaying game supplements.
McMansion HellBlobs in Games has algorithm explanations, often interactive and game-related.
Data is PluralThe Museum of Ridiculously Interesting ThingsLeonie Bos posts her art.
The Antti Boman, the blog of the guitarist and vocalist of Demilich. A very funny and honest guy.
Futility ClosetMusic for ProgrammingMatt Sephton posts about video game design and old Mac stuff.
Memex 1.1 is John Naughton's blog. Being a boomer, he has a bit of a boomer perspective, but there's still often interesting links in there.
Bandcamp DailyUniversal Hub, if you're interested in Boston news.
Rest of World is non-US news, albeit from a startups and tech lens.
The Kid Should See ThisSet Side B is news about video games from
jharris.
404 Media is Internet news.
Scientific AmericanAnd most Mastodon servers offer an RSS feed for each user.