But these days, my RSS app of choice, Reeder, does all the heavy lifting. A while back, it gained the ability to grab the RSS feed for any channel just by pasting in the URL to its channel or any of its videos.

https://heydingus.net/blog/2022/11/the-last-chronological-feed-gets-no-love

Today I learned. Thank you, Reeder (and Jarrod).