New instances will be added at the bottom of the page. Improperly configured instances may be removed without any warnings. Instances with a CDN will be prioritized compared to instances without one.
It's highly NOT recommended to be using frontends of the hosted instances directly from this page, as they're not check if they're configured properly, or modified without disclosing their source code as per the AGPL. You're always recommended to use piped.video, IPFS, or the mirrors mentioned in the README.
You can switch instances by using the instance switcher in the preferences page. Likewise, you can also set the instance query parameter with an API URL to force the frontend to use an instance.