Back in 2020 we moved all sites from being served under *.netlify.com to being under *.netlify.app. This was to isolate customer sites from ones run by Netlify, trying to minimize the confusion. In doing this, we built in an automatic redirect for subdomain.netlify.com to subdomain.netlify.app to avoid downtime on customer sites. Now most sites either use the .app url directly, or have a custom domain. Starting on Friday March 29th, 2024, new sites won’t be getting this behavior as we begin pha...