Right now, it is not possible for us to fully support the use of emojis or unicode within Display Names. If you are trying to use special characters within your Display Name, and are having issues with saving these profile settings, it is likely because we do not support your chosen characters.
We also have a maximum limit of 25 characters for Display Names. If you are hitting this limit, your Display Name will not save properly.
Profile URLs can only have numbers, small letters, underscores, and hyphens. If you are using spaces or special characters in your Profile URL, you will be unable to save your changes.
We also have a maximum limit of 25 characters for Profile URLs. If you are hitting this limit, your Profile URL will not save properly.