NVIDIA driver 430.09 is out, and details are here:  https://devtalk.nvidia.com/default/topic/1050666/announcements-and-news/-linux-solaris-and-freebsd-driver-430-09-beta-release-long-lived-branch-release-/

Tested with Kernel 5.1-rc6 and KF5/Plasma, and it compiles and loads/runs OK:

.............
/rgadsdon/kernel/NVIDIA-Linux-x86_64-430.09/kernel/nvidia-modeset/nvidia-modeset-linux.o /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-430.09/kernel/nvidia-modeset/nv-kthread-q.o
Building modules, stage 2.
MODPOST 4 modules
CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-430.09/kernel/nvidia-drm.mod.o
LD [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-430.09/kernel/nvidia-drm.ko
CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-430.09/kernel/nvidia-modeset.mod.o
LD [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-430.09/kernel/nvidia-modeset.ko
CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-430.09/kernel/nvidia-uvm.mod.o
LD [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-430.09/kernel/nvidia-uvm.ko
CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-430.09/kernel/nvidia.mod.o
LD [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-430.09/kernel/nvidia.ko
make[2]: Leaving directory '/usr/src/linux-5.1-rc6'
make[1]: Leaving directory '/usr/src/linux-5.1-rc6'

Robert Gadsdon.  April 23, 2019.