Hi there @user3140 
We realize that the wait for this app has been longer than we hoped, and we’re really sorry about that!
I wish I could give you the ETA, but, unfortunately, we don’t have any news on the Timeline app just yet. However, I’d like to assure you that we’re fully committed to developing new apps. In fact, we’ve released three new widgets this month alone:
To give you some context, we prioritize requests based on both their complexity and the number of votes they receive. At the moment, there are higher-priority requests that our devs are focusing on. You can check out these requests here.
Rest assured, as soon as we have any updates on the Timeline app, we’ll let you know right away 
Thanks a lot for your feedback!