Yes, on the last flight both the first and second stages had no problems with the engines on ascent. If this were a Saturn V booster, it would have been a comp

Yes, on the last flight both the first and second stages had no problems with the engines on ascent. If this were a Saturn V booster, it would have been a complete success. They did suffer failures with booster recovery, and with the RCS in orbit, but controlling large numbers of small powerful cheap engines seems to be a solved problem already.