I've had some issues with Linux, but none that I can attribute to Wayland.
I've been using Wayland on my Debian 12 - KDE laptop, and it's been working fine, except for Flameshot. Also, the task bar has some freaky behaviour
Nvidia wayland. no issues.
I had severe issues when running an NVIDIA card, but after trading that in for AMD I've only had minor issues. Nothing major, and certainly nothing worth losing good fractional scaling to avoid.
KDE
KDE is an international technology team creating user-friendly free and open source software for desktop and portable computing. KDE’s software runs on GNU/Linux, BSD and other operating systems, including Windows.
Plasma 6 Bugs
If you encounter a bug, proceed to https://bugs.kde.org, check whether it has been reported.
If it hasn't, report it yourself.
PLEASE THINK CAREFULLY BEFORE POSTING HERE.
Developers do not look for reports on social media, so they will not see it and all it does is clutter up the feed.