Username will not accept hyphen

When adding a user to the AD-hybrid user group, the property “Username” will no longer accept the hyphen character. I think this behaviour occured after upgrading to 7.6.3.
As you can see from the attached pictures there are already users present that use hyphen character. These were added before upgrading to 7.6.3.
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That would be a must have for us here also.

I will create a ticket here for that functionality to be added.

Has this problem been fixed? We can not go forward with any updates until we are sure.

Looks like it’s going to be in 7.6.5-rc1 which should be out in a couple of weeks.