This scaling changed in 2010 when Apple LED Cinema display with 110 PPI came out, so 15 years ago. PPI was lower (like 96) in previous display generation. And any WQHD 27" display has the same 110 PPI.apple deciding to normalize scaling macOS to 220 ppi has become one of the most significant anti-user decisions for desktop
today, people that want 220 ppi are stuck purchasing monitors that are massively inferior in technology while the rest of the lcd-led monitor market continues to comes down in price.
UI physical size hasn't changed on desktop screens since then, we just have 2x PPI now, except modern MBP for example - they got 270.
PS: XDR has 2560x1440 as lower resolution. It makes everything pretty blurry.
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