One very ,into point which I would add – if initials are important to your use–case, allow people to specify them. A previous company used initials as identific

One very ,into point which I would add – if initials are important to your use–case, allow people to specify them. A previous company used initials as identification in our bug tool, and I always resented being (something like) AC1 when my full initials (ABC) were available.