It has been solved. The M2 Macbook Pro external 2K display turns on HiDPi. This also work on the 34 inch display (3440×1440)!

Resolved! I have submitted a PR, waiting for merge. You can also follow this blog I wrote: https://zhuanlan.zhihu.com/p/697043685

<img width="483" alt="截屏2024-05-10 20 44 11" src="https://github.com/xzhih/one-key-hidpi/assets/32709746/aa9f849c-370c-4b68-b424-eed23dbfb030">


