Intel does NOT update the GPU firmware on Linux and asks you to install Windows. Workaround below.
If you are like me, you might have an Intel Arc A380 or something similar that is used for a host GPU on Linux. However there’s one caveat that Intel does not explicitly tell you - They do not update the firmware on the GPU whatsoever on Linux. Not even their official Ubuntu package will update the firmware.
They have a help article about that here: https://www.intel.com/content/www/us/en/support/articles/000096950/graphics.html which is something you need to dig deep to find. Intel kindly asks you to install Windows to update critical firmware on the device which in all honesty should have been done through fwupd like most other firmware. In fact, the A380 and others do “support” fwupd, but they don’t have updates posted there which ruins the entire point.
I bought the ASRock Challenger A380 at launch and while I haven’t had any problems using it day-to-day, the fans on it acted weirdly so I checked the firm