The main issue is that images sent through the messaging app undergo compression to reduce file size, which often results in a significant loss of image quality and sharpness.
In messages exchanged between the teacher and the aide, the teacher called her student a number of offensive things and said she couldn't stand her.
WhatsApp's parent company Meta Platforms Inc was branded an "extremist" organization by Moscow last year, but the messenger app has not previously faced penalties.
The modified message will carry the label "edited," without showing edit history.
The new “Chat Lock” feature lets users lock a chat, which takes that thread out of the inbox and places it behind its own folder that can only be accessed with a device password or biometric.
The messages ranged in topics from the Holocaust, Israel-Palestine conspiracy theories and a number of comments relating to circumcision.
WhatsApp will roll out new features which allow users to connect multiple phones and other devices to the same account.