https://www.youtube.com/feeds/videos.xml?channel_id=UCxSGC9B...
Replace the `channel_id` with `playlist_id` and replace `UC` with `UULF`. This prefix will only list normal videos:
https://www.youtube.com/feeds/videos.xml?playlist_id=UULFxSG...
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From this comment: https://news.ycombinator.com/item?id=48032508
https://www.youtube.com/shorts/qc5PKbJ3tq4
Entirely possible it's the former.
I've already seen the full video, I don't want to see clips of it again.
Also 90% of my RSS reading is done on a desktop/laptop and it feels "wrong" to watch 30 second vertical shorts on a 32" display :D