Countdown timer web part is still not showing in our tenant or test tenant

Yes, thanks, that is it, we are not targeted release on the production tenant and I've switch targeted release on for myself on the test tenant and we do see the web part. 

However, this leads to a question - if an item shows up as launched in the roadmap, how long does it take to come down to all tenants?

I ask because we are having trouble keeping track of new features - we see an announcement about it, and then have to keep checking\remember to check every day\week to see if it has filtered down to our tenant so we can announce the relevant features to our users (or before they find it themselves!). 

This feature was announced as launched in December - yet end of Feb, we still don't have it. Is there any way to know when a feature marked as launched becomes available in a tenant? That would be awesome!