How to pin messages in chats on WhatsApp

WhatsApp introduces message pinning feature; allows users to easily highlight important messages in group or 1:1 chats; all message types can be pinned; users can select the duration of the pinned message; admins can choose who can pin messages in group chats; pinned messages are end-to-end encrypted; users can pin and unpin messages on Android, iPhone, and web/desktop platforms; new group members won’t see pinned messages; users who delete messages won’t see pinned messages.