14 years later the need is slowly growing so the support is slowly growing
Yes! I agree wholeheartedly. Adoption has been slow because Wayland did not meet the needs of most people more than Xorg did. Cinnamon isn’t moving any time soon because the value-add isn’t enough for the average desktop user.
But…
build something that people need
People have needed HDR and VRR for years. HDR is essential for professionals in video and image editing. They needed Wayland years ago, and it was being built with them in mind, not just the average desktop user in 2012.
Not every feature is used by every user of that software. I used X-forwarding over SSH once, ever. It did not add any value to me. SSH forwarding adds no value to the average user either. But it is essential to someone.