It went up, delivered a payload, and came down where and when it was supposed to come down.
It was very successful.
And a nail-biting, thrill ride to watch!
And that li’l flap that could...
Well done, flap! Very well done!
No?
Didn't think so.
Devising a truly reusable thermal management system is probably the most difficult thing so far attempted in rocketry/spaceflight. Their progress is impressive, but not complete.