Instagram is reportedly working on the ability to add a reason to your follow request so that a user who doesn't know you gets an idea of ​​you.
Instagram is working on the ability to add a reason to your follow request, helping the recipient understand who you are 👀 - Alessandro Paluzzi
No word on what those options will be or if users will get the option to add a custom message.
Instagram has changed the way DM (Direct Message) requests are made to ensure that people who don't follow you can only send a DM request.