The new update is reportedly rolled out through the TestFlight beta program, which brings the version up to 18.104.22.168. Earlier it was reported that the app was working on the ability to silently leave the group without notifying other group participants except the group admin.
Now with the “previous participants” feature all group members will be able to see who left the group. The website also shared a screenshot of the facility. A new section called “Find past participants” will be added where group members can search the names of people who left the group in the last 60 days.
WhatsApp rolled out the ability to filter unread chats for some beta testers. With the help of this feature, users can filter by showing only those chats which contain new messages. Notably, the “Unread Chat Filter” feature was also rolled out for some beta users last month. But it was disabled in the next update.