What is IRISnet?

Could you please elaborate on what exactly IRISnet is? I'm curious to understand its purpose, its unique features, and how it fits into the broader cryptocurrency and blockchain landscape. Additionally, I'd like to know if it's a decentralized platform, what types of services or applications it supports, and how users can benefit from utilizing it. Furthermore, I'm interested in learning about its development progress, any partnerships or collaborations it has, and its potential future outlook.