Id say being fully fit and getting a proper run the team makes all the difference.
As far as I can remember (I might be wrong), he was fit for extended periods of time over the last 2 seasons and was on the bench most of the time and never really produced anything when given a chance of a start or repeated subs. And when I say ''produce'' I don't mean for him to score goals or assist, I just mean that I wanted to see a glimpse of why he's in the team every time he was on the pitch instead of him just floating aimlessly most of the time (easy thing to say to for a lad watching a professional from the comfort of his couch at home, I know
Hopefully this is the Curtis Jones we'll get from now on. And, obviously, I don't need him to score or assist every game. I just want him to stay as dynamic and full of energy as he is right now. I previously criticized him for not being particularly good at anything and just being average, at best, at everything. He is now showing what he's good at, which is a tight press, being tidy on the ball as I don't remember him losing it too much since his run of games started, and being a goalscoring threat in and around the box. And that's all he needs to succeed in this JK team really.
The rest will come naturally. The longer he stays in the team and continues to perform at this level the easier it will be for him to link up with his teammates, produce runs like the one for the first goal. He'll also grow more confident and calmer on the ball, etc. I just wish all of this happened 2 months prior. I would've wanted him to finish the season as a truly established starter in the 11 for him to be fully ready to compete with whoever will be vying for that LCM role with him next season. Right now, I think, its between him, Bajcetic and Thiago, but we'll be buying 2 or 3 midfielders in the summer so potentially even more competition.