Hello, My KDE snap apps that (I think) use Qt6 won’t show up in wayland. running them from terminal print this:
~ snap run okular
libEGL fatal: DRI driver not from this Mesa build ('23.2.1-1ubuntu3.1~22.04.3' vs '23.2.1-1ubuntu3.1~22.04.2')
~ snap run kalzium
libEGL fatal: DRI driver not from this Mesa build ('23.2.1-1ubuntu3.1~22.04.3' vs '23.2.1-1ubuntu3.1~22.04.2')
~ snap run kcharselect
libEGL fatal: DRI driver not from this Mesa build ('23.2.1-1ubuntu3.1~22.04.3' vs '23.2.1-1ubuntu3.1~22.04.2')
~ snap run filelight
libEGL fatal: DRI driver not from this Mesa build ('23.2.1-1ubuntu3.1~22.04.3' vs '23.2.1-1ubuntu3.1~22.04.2')
this one runs fine 
~ snap run okteta
By using QT_QPA_PLATFORM=xcb I can get those Qt6 apps to work.
I’m not sure this is a kde bug or not so I decided to post here.
Here are some more info about my system:
$ apt list --installed | grep nvidia
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
libnvidia-cfg1-560/oracular,now 560.35.03-0ubuntu5 amd64 [installed,automatic]
libnvidia-common-560/oracular,oracular,now 560.35.03-0ubuntu5 all [installed,automatic]
libnvidia-compute-560/oracular,now 560.35.03-0ubuntu5 amd64 [installed,automatic]
libnvidia-compute-560/oracular,now 560.35.03-0ubuntu5 i386 [installed,automatic]
libnvidia-decode-560/oracular,now 560.35.03-0ubuntu5 amd64 [installed,automatic]
libnvidia-decode-560/oracular,now 560.35.03-0ubuntu5 i386 [installed,automatic]
libnvidia-egl-wayland1/oracular,now 1:1.1.15-1 amd64 [installed]
libnvidia-egl-wayland1/oracular,now 1:1.1.15-1 i386 [installed,automatic]
libnvidia-encode-560/oracular,now 560.35.03-0ubuntu5 amd64 [installed,automatic]
libnvidia-encode-560/oracular,now 560.35.03-0ubuntu5 i386 [installed,automatic]
libnvidia-extra-560/oracular,now 560.35.03-0ubuntu5 amd64 [installed,automatic]
libnvidia-fbc1-560/oracular,now 560.35.03-0ubuntu5 amd64 [installed,automatic]
libnvidia-fbc1-560/oracular,now 560.35.03-0ubuntu5 i386 [installed,automatic]
libnvidia-gl-560/oracular,now 560.35.03-0ubuntu5 amd64 [installed,automatic]
libnvidia-gl-560/oracular,now 560.35.03-0ubuntu5 i386 [installed,automatic]
linux-modules-nvidia-560-6.11.0-13-generic/oracular-updates,oracular-security,now 6.11.0-13.14+1 amd64 [installed,automatic]
linux-modules-nvidia-560-generic/oracular-updates,oracular-security,now 6.11.0-13.14+1 amd64 [installed]
linux-objects-nvidia-560-6.11.0-13-generic/oracular-updates,oracular-security,now 6.11.0-13.14+1 amd64 [installed,automatic]
linux-signatures-nvidia-6.11.0-13-generic/oracular-updates,oracular-security,now 6.11.0-13.14+1 amd64 [installed,automatic]
nvidia-compute-utils-560/oracular,now 560.35.03-0ubuntu5 amd64 [installed,automatic]
nvidia-driver-560/oracular,now 560.35.03-0ubuntu5 amd64 [installed]
nvidia-firmware-560-560.35.03/oracular,now 560.35.03-0ubuntu5 amd64 [installed,automatic]
nvidia-kernel-common-560/oracular,now 560.35.03-0ubuntu5 amd64 [installed,automatic]
nvidia-kernel-source-560/oracular,now 560.35.03-0ubuntu5 amd64 [installed,automatic]
nvidia-prime/oracular,oracular,now 0.8.17.2 all [installed,automatic]
nvidia-settings/oracular,now 510.47.03-0ubuntu4 amd64 [installed,automatic]
nvidia-utils-560/oracular,now 560.35.03-0ubuntu5 amd64 [installed,automatic]
xserver-xorg-video-nvidia-560/oracular,now 560.35.03-0ubuntu5 amd64 [installed,automatic]
~ uname -r
6.11.0-13-generic
$ apt list --installed | grep egl
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
libegl-dev/oracular,now 1.7.0-1build1 amd64 [installed,automatic]
libegl-mesa0/oracular,now 24.2.3-1ubuntu1 amd64 [installed,automatic]
libegl1/oracular,now 1.7.0-1build1 amd64 [installed]
libnvidia-egl-wayland1/oracular,now 1:1.1.15-1 amd64 [installed]
libnvidia-egl-wayland1/oracular,now 1:1.1.15-1 i386 [installed,automatic]
libwayland-egl1/oracular,now 1.23.0-1 amd64 [installed,automatic]
libwayland-egl1/oracular,now 1.23.0-1 i386 [installed,automatic]
$ apt list --installed | grep mesa
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
libegl-mesa0/oracular,now 24.2.3-1ubuntu1 amd64 [installed,automatic]
libgl1-mesa-dri/oracular,now 24.2.3-1ubuntu1 amd64 [installed,automatic]
libgl1-mesa-dri/oracular,now 24.2.3-1ubuntu1 i386 [installed]
libglapi-mesa/oracular,now 24.2.3-1ubuntu1 amd64 [installed,automatic]
libglapi-mesa/oracular,now 24.2.3-1ubuntu1 i386 [installed]
libglu1-mesa-dev/oracular,now 9.0.2-1.1build1 amd64 [installed]
libglu1-mesa/oracular,now 9.0.2-1.1build1 amd64 [installed,automatic]
libglu1-mesa/oracular,now 9.0.2-1.1build1 i386 [installed,automatic]
libglx-mesa0/oracular,now 24.2.3-1ubuntu1 amd64 [installed,automatic]
libglx-mesa0/oracular,now 24.2.3-1ubuntu1 i386 [installed]
libosmesa6/oracular,now 24.2.3-1ubuntu1 amd64 [installed,automatic]
libosmesa6/oracular,now 24.2.3-1ubuntu1 i386 [installed,automatic]
mesa-common-dev/oracular,now 24.2.3-1ubuntu1 amd64 [installed,automatic]
mesa-libgallium/oracular,now 24.2.3-1ubuntu1 amd64 [installed,automatic]
mesa-libgallium/oracular,now 24.2.3-1ubuntu1 i386 [installed,automatic]
mesa-utils-bin/oracular,now 9.0.0-2 amd64 [installed,automatic]
mesa-utils/oracular,now 9.0.0-2 amd64 [installed]
mesa-va-drivers/oracular,now 24.2.3-1ubuntu1 amd64 [installed,automatic]
mesa-va-drivers/oracular,now 24.2.3-1ubuntu1 i386 [installed,automatic]
mesa-vdpau-drivers/oracular,now 24.2.3-1ubuntu1 amd64 [installed,automatic]
mesa-vdpau-drivers/oracular,now 24.2.3-1ubuntu1 i386 [installed,automatic]
mesa-vulkan-drivers/oracular,now 24.2.3-1ubuntu1 amd64 [installed,automatic]
mesa-vulkan-drivers/oracular,now 24.2.3-1ubuntu1 i386 [installed,automatic]