Hey Samuel,
Ah, neat to hear! I realised shortly after I posted (and stepped away from my computer) that I partly misspoke and that I guess there’s two things going on here.
One is the true backfill (which I realised may or may not exist given RSS limitations) but for some of these solo feeds, I would expect the full content of their present RSS feed content to be ingested rather than just a small subset as well.
Here’s the channel Blast Processing as an example (NewsBlur)
The regular RSS feed contains 15 items if I’ve counted correctly while only an initial 5 are imported.
I would have expected all 15 to have been imported?