I tried quite a few things in the "Advanced" section of BetterDisplay - is there something specifically you're suggesting?

▲

Someone 2 days ago | parent [-]

I’m not talking of BetterDisplay. I’m talking about Apple’s UI. Scroll down the content of the “Displays” pane, and you find a row of buttons “Advanced…”, “Night Shift…” and “?”

	▲	mmcnl a day ago \| parent [-]
		Ofcourse this has been tried, the highest possible resolution with HiDPI is limited to what the article says.