i just added a new domain to cloudflare and the edge certificate is let's encrypt r3, shown in control panel and by inspecting in browser when on the domain's website.
my existing domains still have the regular 1-yr certs. wonder if they'll switch to let's encrypt after expiration.
anyone else noticed?
Yes.
I also found this recent Cloudflare community post:
There is a blog post from March 27, 2021 explaining one way to get a cert signed by LE or Digicert:
There is probably more in their docs that I didn't find.