What is Timeline?

All the Members of a desktop can view Timeline for the desktop they are part of.

Timeline is a display of a list of events such as add/remove apps, links, users, etc. in chronological order.
You can access Timeline from any Desktop you are part of by clicking the corresponding button upper right.
 
 
You can use a search filter for a quick search by categories of events:
Also, you can use keywords for better search and check all events through the calendar view