Steps to reproduce: (Occurs with and without a hardware keyboard) The following steps assume two factor authentication (2FA) is enabled on your Apple ID. 1. Visit <https://appleid.apple.com/> and enter you Apple ID credentials. 2. On the 2FA screen, type the pin. There is noticeable flashing of the keyboard as you type the pin.
<rdar://problem/50245251>
Created attachment 374981 [details] Patch
Comment on attachment 374981 [details] Patch Seems reasonable.
Comment on attachment 374981 [details] Patch Clearing flags on attachment: 374981 Committed r247875: <https://trac.webkit.org/changeset/247875>
All reviewed patches have been landed. Closing bug.