Mostly buggy desktop environments and broken drivers (especially on laptops).
It's 2021, and it's still a miracle if we can achieve different scaling on different monitors, no tearing on multiple screens, and plug'n'play of an external monitor. Things that work on Windows/macOS out-of-the-box for the last N years.
It's 2021, and it's still a miracle if we can achieve different scaling on different monitors, no tearing on multiple screens, and plug'n'play of an external monitor. Things that work on Windows/macOS out-of-the-box for the last N years.