There appears to be an AMD microcode update [1] in the kernel's linux-firmware repo as recently as 1 week ago, so I don't think this is true? And it's an update

There appears to be an AMD microcode update [1] in the kernel's linux-firmware repo as recently as 1 week ago, so I don't think this is true? And it's an update for "processor family 17h", which is Zen/Zen2, so it's not like this is only for old CPUs. [1] https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=2b016afc348ba4b5fb2016ffcb2822f4a293da0c https://git.kernel.org/pub/scm/linux/kernel/git/firmware/lin...