Google Domains is “winding down following a transition period,” with Squarespace taking over the business and assets…
I use namecheap. They’re mostly fine, but they do not make it easy to support free SSL certs, and their shared hosting is not a particularly good deal, but it’s still cheap enough for one site that I haven’t investigated thoroughly. I haven’t changed my registrar, but I did send my DNS over to Cloudflare due to the SSL issue.