I am seeing there is an nvidia-driver update available on the siduction repos, it looks like the nvidia-glx package gets removed;
The following packages will be REMOVED:
nvidia-glx
The following packages will be upgraded:
baobab binutils goobox libcurses-perl libegl1-nvidia libencode-locale-perl libgl1-nvidia-glx
libgl1-nvidia-glx:i386 libnvidia-eglcore libnvidia-ml1 libpython2.7 libpython2.7-minimal libpython2.7-stdlib
nvidia-alternative nvidia-driver nvidia-driver-bin nvidia-kernel-dkms nvidia-vdpau-driver python2.7
python2.7-minimal xserver-xorg-video-nvidia
21 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
It looks like the nvidia-glx package for 352.41 is missing or maybe has been depreciated. Is it safe for me to upgrade without the nvidia-glx package?
It's a transitional package. Since you have its replacement package (nvidia-driver) installed, you can remove nvidia-glx.
https://packages.debian.org/jessie/nvidia-glx
thank you.