The current recommendation is "no", since some of the microcode updates are known to cause stability problems. It's better to wait for Intel to fix that first,

The current recommendation is "no", since some of the microcode updates are known to cause stability problems. It's better to wait for Intel to fix that first, then make sure your BIOS update has a microcode version without the stability problems, then update. Yes, it's a mess. Note that the microcode update does not have to be delivered through a BIOS update. Linux can also update the microcode during early boot: https://wiki.archlinux.org/index.php/microcode https://wiki.archlinux.org/index.php/microcode