This is the same issue as
The issue was declared as fixed for 2.8.8. and 2.9.2
On 2.8.8 the error still occurs on Windows 10 with Edge and Mac OSX 10.11 with Safari. On Firefox and Chrome (Win 10 and OSX 10.11) the error is fixed as far as I could tell.
On Edge it is only the passwort field that is populated.