[kevincox]

> You specifically complained about having to enter your email on the magic link flow:

For logins yes:

> My email address never auto-fills so I need to click the field and select the completion suggestion. This is even worse if I am using a per-site email address.

My email always autofills for regular login forms. Maybe this is a bug in my browser but either way it is an inconvenience that I face.

> implementing and maintaining a number of things like your salt, password complexity requirements, password reset flow

If you are using any halfway popular language there is a library that does all of this for you. In fact it is probably easier to use a pre-packaged library than for magic links, but I'm sure those libraries could appear if magic links become more popular.