I've been using this since July 20th, and its also in Cauldron

Since no-one else tested yet, I've updated this to the new 430.40 released yesterday. (also pushed to Cauldron today)

So the changelog is now:
Added support for the following GPUs:

    GeForce RTX 2060 SUPER
    GeForce RTX 2070 SUPER
    GeForce RTX 2080 SUPER
    Quadro RTX 3000 with Max-Q Design
    Quadro RTX 4000 with Max-Q Design
    Quadro RTX 5000 with Max-Q Design
Fixed a driver installation failure in Linux kernel configurations with CONFIG_HOTPLUG_CPU



SRPMS:
ldetect-lst-0.6.2-1.mga7.src.rpm
nvidia-current-430.40-1.mga7.nonfree.src.rpm


x86_64:
ldetect-lst-0.6.2-1.mga7.x86_64.rpm
ldetect-lst-devel-0.6.2-1.mga7.x86_64.rpm

dkms-nvidia-current-430.40-1.mga7.nonfree.x86_64.rpm
nvidia-current-cuda-opencl-430.40-1.mga7.nonfree.x86_64.rpm
nvidia-current-devel-430.40-1.mga7.nonfree.x86_64.rpm
nvidia-current-doc-html-430.40-1.mga7.nonfree.x86_64.rpm
nvidia-current-utils-430.40-1.mga7.nonfree.x86_64.rpm
x11-driver-video-nvidia-current-430.40-1.mga7.nonfree.x86_64.rpm

Summary: Update request: nvidia-current-430.34-1.mga7.nonfree => Update request: nvidia-current-430.40-1.mga7.nonfree

mga7, x86_64

NVIDIA GM204 [GeForce GTX 970]
This machine made the transition comfortably.
# dkms status
nvidia-current, 430.40-1.mga7.nonfree, 5.1.20-desktop-2.mga7, x86_64: installedxtables-addons, 3.3-1.mga7, 5.1.20-desktop-2.mga7, x86_64: installed-binary from 5.1.20-desktop-2.mga7

glxsphere64 and teapot run fine. so does glmark2 (just posted a bug on that!).
stellarium and celestia run in fullscreen mode (4K).  vlc handling HD TV smoothly.  No complaints from any other desktop application.

CC: (none) => tarazed25

mga7, x86_64

Reboot went smoothly.
NVIDIA GP102 [GeForce GTX 1080 Ti]
driver: nvidia v: 430.40

# dkms status
nvidia-current, 430.40-1.mga7.nonfree, 5.1.20-desktop-2.mga7, x86_64: installed 
xtables-addons, 3.3-1.mga7, 5.1.20-desktop-2.mga7, x86_64: installed-binary from 5.1.20-desktop-2.mga7

GPU intensive tasks run OK.  glmark2 running in parallel with stellarium and celestia.  Reckon it is alright.

Advisory, added to svn:

type: bugfix
subject: Updated nvidia-current packages adds support for newer RTX cards
src:
  7:
   core:
     - ldetect-lst-0.6.2-1.mga7
   core:
     - nvidia-current-430.40-1.mga7.nonfree
description: |
  This update provides the latest R430 series driver, currently 430.40 that
  adds support for the following GPUs:

  * GeForce RTX 2060 SUPER
  * GeForce RTX 2070 SUPER
  * GeForce RTX 2080 SUPER
  * Quadro RTX 3000 with Max-Q Design
  * Quadro RTX 4000 with Max-Q Design
  * Quadro RTX 5000 with Max-Q Design

  It also fixes a driver installation failure in Linux kernel configurations
  with CONFIG_HOTPLUG_CPU.
references:
 - https://bugs.mageia.org/show_bug.cgi?id=25188
 - https://www.nvidia.com/Download/driverResults.aspx/148589/en-us
 - https://www.nvidia.com/Download/driverResults.aspx/149138/en-us

Keywords: (none) => advisory, validated_update
Whiteboard: (none) => MGA7-64-OK
CC: (none) => sysadmin-bugs

An update for this issue has been pushed to the Mageia Updates repository.

https://advisories.mageia.org/MGAA-2019-0077.html

Status: NEW => RESOLVED
Resolution: (none) => FIXED