Comment 6 for bug 2035189

$ reverse-depends src:nvidia-graphics-drivers-450
Reverse-Depends
===============
* libnvidia-cfg1-430 [amd64] (for libnvidia-cfg1-440)
* libnvidia-common-430 (for libnvidia-common-440)
* libnvidia-compute-430 [amd64 i386]
* libnvidia-decode-430 [amd64 i386]
* libnvidia-encode-430 [amd64 i386]
* libnvidia-fbc1-430 [amd64 i386]
* libnvidia-gl-430 [amd64 i386]
* libnvidia-ifr1-430 [amd64 i386]
* nvidia-compute-utils-430 [amd64]
* nvidia-dkms-430 [amd64] (for nvidia-dkms-440)
* nvidia-driver-430 [amd64] (for nvidia-driver-440)
* nvidia-headless-430 [amd64] (for nvidia-headless-440)
* nvidia-headless-no-dkms-430 [amd64]
* nvidia-kernel-common-430 [amd64]
* nvidia-kernel-source-430 [amd64]
* nvidia-utils-430 [amd64] (for nvidia-utils-440)
* xserver-xorg-video-nvidia-430 [amd64]

Packages without architectures listed are reverse-dependencies in: amd64, arm64, armhf, i386, ppc64el, s390x
$

It looks like nvidia-graphics-drivers-430 would also have to be removed first?