I picked this up a little less than a month ago, a 2019 YT Jeffsy 27 CF Pro. I live solidly in XC territory, but I've been looking for a bigger bike to take west into the Shenandoah mountains, as well as some park days.
A short video from one of the local trails:
Coming from a GT Sensor, this is a lot more capable bike. It follows the trend of longer, lower, slacker, but the steep seat tube angle makes me a lot more comfortable on it than most of the other bikes I've demoed. It's 150mm of travel, versus the 130mm that I was used to, and the ridiculously low top tube really lets me get my weight low. It climbs well for what it is, but I'm definitely not powering up stuff like I was before. It's an absolute blast when pointed downhill, though.