I used it at work recently to update my work-provided HP Thunderbolt dock, and it resolved an issue where the external monitors would fail to activate after resuming from standby. I never got an update notification when I was using my Windows laptop so I was oblivious to it; it was only thanks to connecting it to my Linux laptop and fwupd, that I found out there was an update, which subsequently resolved the issue.
I love it when stuff like this happens and Linux saves the day. =) (and I get to show off to my Windows heathens colleagues.)