Flickr changes its free tier to 1,000 photos, adds more perks to Flickr Pro, offers 30% discount if you upgrade by Nov 30: https://9to5mac.com/2018/11/01/flickr-cuts-back-free-account-perks/

It's worth noting that SmugMug bought Flickr a few months back. It is no longer owned by the mess that is Yahoo/Verizon/Oath.