@sun @icedquinn @meeper @maija Well IIRC https://www.youtube.com/watch?v=RIctzAQOe44 was a pretty honest pitch.

And like X11 just doesn't works well for:
- Multiple GPUs, or worse hotpluggable ones
- Displays with different refresh rate
- Managing different colorimetry on displays (pretty important when graphic tablets got displays since)
- Fractional scaling

Plus pretty sure you can't just directly encode screen content (specially something like a window) to a video stream on X11 without copying being involved, meaning higher CPU usage and much higher latency.