You can use better dummy to achieve a similar resolution: See here https://github.com/waydabber/BetterDummy https://github.com/waydabber/BetterDummy and this Ma

You can use better dummy to achieve a similar resolution: See here https://github.com/waydabber/BetterDummy https://github.com/waydabber/BetterDummy and this MacRumors thread https://forums.macrumors.com/threads/m1-mbp-lg-34-inch-ultra-wide-5k2k.2267299/page-22 https://forums.macrumors.com/threads/m1-mbp-lg-34-inch-ultra... I tried it on my M1 Mini + LG5K2K and soon disabled it again. The performance impact was noticeable in Lightroom and the display adapter config got in the way once I switched display input to my work laptop.