Meta-owned WhatsApp, the popular messaging platform, has introduced a useful new feature, "Pin Messages", for Android, iOS, Web, and Desktop users. This feature enables users to pin important messages in personal and group chats. WhatsApp's "Pin Messages" feature can support most formats, including text, images, emojis, polls, and more. WhatsApp Pin Message Feature: Messaging App Allows Users To Pin Important Messages in Personal and Group Chats, Know How to Highlight Key Message.