As mentioned earlier, the clock is ticking. And please read this blogpost so that you are not confused on what service Microsoft takes down and what has still support and can be running.
This is importantent to know about.
And here are some news for us who have Telephony in Teams.
The one marked yellow is now show both mobile and teams numer if you have this is your AD. Real nice feature.
Then we got the new meeting join experience. This is real nice I think.