When Google acquired Feedburner a few years ago, we thought it would make Feedburner a better product. The opposite has happened. Google has basically shelved the Feedburner product. There hasn’t been any updates to Feedburner the last 5 years.
If you’ve recently updated your site from http to https, you may have noticed that https feeds are not supported. It looks like Google doesn’t plan on updating Feedburner anytime soon. If you want to replace Feedburner, take a look at couple of options. Try FeedBlitz or perhaps even Mailchimp.
In addition, you can import your current subscribers, and never miss a beat.