You can now send emoji reactions in Twitter DMs
Twitter further explains:
"It's quick and easy to add an emoji reaction to a Direct Message - both text and media attachments. To add a reaction, hover over the message and click the reaction button (heart and plus icon), or double tap on the message and pick an emoji from the pop-up. You can undo a reaction at any time and it will be removed from the message for all participants. Click or tap on a reaction in a conversation to view who reacted to the message. Additionally, all conversation participants will receive a notification any time a new reaction is added to a message." |