if a proprietry driver has being installed
its suggested it be removed
then the Radeon driver be installed
before trying the update again
(the proprietry driver can be re-installed later)
the new update has been tried on several installs without incident
all using the Radeon driver
Kernel: 4.2.1-3-desktop x86_64 (64 bit)/4.2.1-3-desktop x86 (32 bit)
Desktop: KDE Plasma 5.4.1 Distro: openSUSE 20150924 (Tumbleweed)