There is no definitive answer, but it seems as though the social media platform does not currently have a newsletter feature. This does not mean that this feature is not in development, or that it is not being considered for future updates – only that there is no current indication of it.
However, if Instagram did launch a newsletter feature, it would likely be an important addition to the platform. Newsletters are a great way to keep followers up-to-date on the latest happenings and news on a given topic.
Additionally, they can be an effective way to market a product or service to followers. If Instagram were to launch a newsletter, it would be important to ensure that the design and layout of the newsletter was appealing and user-friendly.