>> _("You are going to install Tails on the %(vendor)s %(model)s
>> device (%(size)s). " "All data on the selected drive will be lost. "
>> "Continue?")
>>
> I'm afraid that the phrasing make the suer believe that her data is
> actually erased, which is not the case, but that's not a regression.
I'm not sure I understand your concern with this phrasing. Do you mean
the user might think her data is securely deleted from the device while
it is not?