: In 2.4.5, if you open a project with a missing editor version, the Hub provides a direct link to download that exact version. Users on Reddit have noted this feature is less intuitive in 3.0.

While the official recommendation for any developer is to use the latest stable version of Unity Hub to ensure compatibility and access to the newest features, the legacy of version 2.4.5 remains. For many long-time Unity developers, it represents a gold standard of stability and a turning point for the software. The lessons learned from the rough launch of Hub 3.0 have likely informed the Hub's development since, as the Unity team continues to work on balancing new features with the rock-solid foundation that developers truly need.

Modern versions of Unity Hub are built on heavy Electron frameworks. They consume significant background RAM and CPU cycles just idling in the system tray.