2.2.24 [W3C-HTML52] Section 4.10.18.7.2. Processing model

C0042: Control values are stored and previously stored values are offered to the user

The specification states:

 ...
     ...
     When an element's autofill field name is not "off", the user agent may store the 
     control's value, and may offer previously stored values to the user.

EdgeHTML Mode

Control values are stored and previously stored values are offered to the user.