I got an 11th gen Framework running Windows 11 22H2 a few months ago, and it’s been great. I also got the HDMI expansion card, and I’ve attached it to various external monitors.
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I recently tested it out with my Dell Alienware AW3418dW, which is a 1440p ultrawide, and the system appears to have issues driving it when gaming. It works fine during web browsing and other light applications, but when I play YouTube videos are simple games, there is a lot of scrolling as the image moves right quickly across the screen, alongside a lot of flicker and distortion.
I looked around, and the issues I can find are either with Linux, which I’m not on, or due to not having 2 RAM sticks, but I have 2 x 8GB of RAM in the laptop.