Earlier this year in January Rocket League surpassed the 25 million player mark, then
"We’ll be rolling out improved connection quality status information in the game client in 2018 that will tell you if you’re experiencing packet loss, latency variance, or legitimate game server performance issues. We’re looking into how we can allow the community to report servers they think are performing poorly to help us identify and resolve problems more quickly."
The team at Psyonix is also promising to focus on fixing game performance for the Xbox One version of Rocket League in particular. And should have more details in the new year on how they're approaching the issues.
Technical issues aren't all they're looking to improve and fans can expect new cosmetic content and the long-awaited in-game tournaments feature to come their way in 2018: "Our in-game Tournaments feature is still on track, though we had to delay the initial beta test until early next year. We’re going to revamp the progression system to make XP meaningful again, and you’ll be able to unlock new banners, titles, and free Decryptors on a regular interval by leveling up. There’s a ton of great “Quality of Life” updates in the works to improve your daily experience with things like inventory management, and we’re working on some new Achievements and Trophies for the hunters out there. By popular demand, we’ll also be sure to keep releasing new Dragon-themed content for your cars."
You can also expect cross-platform party support on the Switch to roll out in 2018.