For the convenience of the users, WhatsApp is working on different sections of emojis and stickers as there is no such option in the stable app right now. This doodle picker can be found in the status bar. Now if you click an image or add an image to the status bar, you see a number of editing tools before you post the status. Above it is a smiley icon doodle picker. Now Doodle Picker features both stickers and emojis.
WABetaInfo In Android beta version 2.19.1116, Doodle Picker will be more integrated and detailed than before and users will get different categories of stickers and emojis. As you mentioned earlier, this feature is not yet enabled, but it may be enabled in the near future. In addition to these, they also found that the option for archive chats has been put down, some time ago it was said that this option will be found in the main menu.