If you don’t use SMS, you can ignore this email.
We recently updated the reminder framework’s methodology for choosing the
preferred phone number to use (when a user has more than one verified
number) to more closely match how it is set in the UI.
So in order to keep the behavior consistent between the preferred numbers
that are being chosen now and the preferred numbers that will be chosen
after you merge with master, the next time you merge with master just run
python manage.py fix_preferred_number --fix.
(If none of your users have more than one phone number you can also ignore