Auto-Delete. Set a timer in private chats, groups or channels to automatically erase messages after a certain period – from 1 day to 1 year later.
The timer only affects messages sent after it is enabled, and can be modified at any time from
BY Telegram Tips
With the help of the Search Filters option, users can now filter search results by type. They can do that by using the new tabs: Media, Links, Files and others. Searches can be done based on the particular time period like by typing in the date or even “Yesterday”. If users type in the name of a person, group, channel or bot, an extra filter will be applied to the searches.
Telegram Tips from vn