Most of those issues have been resolved and I wouldn't call it particularly downtime prone anymore. In case you're curious, here's a video from one of my favorite theme park YouTubers describing the ride and why it took so long to get the kinks ironed out:
https://youtu.be/iXBkB5xjFR8 (TL;DW: an insane amount of animatronics and effects that are rare to roller coasters)