Vintage RPG: https://vintagerpg.tumblr.com/rss
Does surprisingly in depth for Tumblr commentaries and histories of RPG products, some quite obscure.
http://legendsoflocalization.com/feed/ Commentary on Japanese->English translation from someone who has done both fan and professional translations. I think he works for Nintendo now?
the mastodon instance at cybre.space is retiring
see the end-of-life plan for details: https://cybre.space/~chr/cybre-space-eol